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 0.1.23-4cf2d92 [2018-03-28 13:07:05,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 13:07:05,611 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 13:07:05,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-03-28 13:07:05,655 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-28 13:07:05,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 13:07:05,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 13:07:05,696 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 13:07:05,697 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 13:07:05,697 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 13:07:05,698 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 13:07:05,699 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 13:07:05,699 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 13:07:05,699 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 13:07:05,700 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 13:07:05,700 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 13:07:05,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 13:07:05,700 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 13:07:05,700 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 13:07:05,701 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 13:07:05,701 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 13:07:05,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 13:07:05,701 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 13:07:05,701 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 13:07:05,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 13:07:05,702 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 13:07:05,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 13:07:05,704 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 13:07:05,704 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 13:07:05,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 13:07:05,704 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:07:05,704 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 13:07:05,705 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 13:07:05,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 13:07:05,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 13:07:05,705 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 13:07:05,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 13:07:05,706 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 13:07:05,707 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 13:07:05,711 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 13:07:05,711 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 13:07:05,711 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 13:07:05,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 13:07:05,785 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 13:07:05,792 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 13:07:05,793 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 13:07:05,795 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 13:07:05,796 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 [2018-03-28 13:07:06,235 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGede4cb96b [2018-03-28 13:07:06,478 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 13:07:06,479 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 13:07:06,479 INFO L171 CDTParser]: Scanning c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,492 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 13:07:06,492 INFO L215 ultiparseSymbolTable]: [2018-03-28 13:07:06,492 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 13:07:06,492 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 [2018-03-28 13:07:06,493 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 [2018-03-28 13:07:06,493 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,493 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 [2018-03-28 13:07:06,493 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 13:07:06,493 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 [2018-03-28 13:07:06,493 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 [2018-03-28 13:07:06,493 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 [2018-03-28 13:07:06,494 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 [2018-03-28 13:07:06,494 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,495 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 [2018-03-28 13:07:06,495 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 [2018-03-28 13:07:06,495 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 [2018-03-28 13:07:06,495 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 [2018-03-28 13:07:06,495 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 [2018-03-28 13:07:06,495 INFO L230 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c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,497 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 [2018-03-28 13:07:06,497 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 [2018-03-28 13:07:06,497 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 [2018-03-28 13:07:06,497 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 [2018-03-28 13:07:06,497 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 [2018-03-28 13:07:06,497 INFO L230 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c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int32_t in c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_t in c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,500 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__timer_t in c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,500 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 [2018-03-28 13:07:06,501 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__clockid_t in c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,501 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 [2018-03-28 13:07:06,501 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 [2018-03-28 13:07:06,501 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 [2018-03-28 13:07:06,501 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 [2018-03-28 13:07:06,501 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 [2018-03-28 13:07:06,501 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 [2018-03-28 13:07:06,501 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,502 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,503 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,504 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 [2018-03-28 13:07:06,505 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ushort in c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:06,505 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 [2018-03-28 13:07:06,505 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 [2018-03-28 13:07:06,505 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 [2018-03-28 13:07:06,505 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 [2018-03-28 13:07:06,505 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 [2018-03-28 13:07:06,505 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,506 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 [2018-03-28 13:07:06,507 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 [2018-03-28 13:07:06,507 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 [2018-03-28 13:07:06,507 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 [2018-03-28 13:07:06,507 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 [2018-03-28 13:07:06,597 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGede4cb96b [2018-03-28 13:07:06,601 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 13:07:06,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 13:07:06,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 13:07:06,605 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 13:07:06,610 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 13:07:06,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55be4c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06, skipping insertion in model container [2018-03-28 13:07:06,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,627 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:07:06,657 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 13:07:06,834 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:07:06,890 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 13:07:06,896 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-28 13:07:06,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06 WrapperNode [2018-03-28 13:07:06,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 13:07:06,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 13:07:06,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 13:07:06,951 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 13:07:06,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:06,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... [2018-03-28 13:07:07,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 13:07:07,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 13:07:07,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 13:07:07,005 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 13:07:07,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 13:07:07,124 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 13:07:07,125 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 13:07:07,125 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-03-28 13:07:07,125 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-03-28 13:07:07,125 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-03-28 13:07:07,125 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 13:07:07,125 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-03-28 13:07:07,125 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-03-28 13:07:07,126 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 13:07:07,126 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 13:07:07,126 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 13:07:07,126 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 13:07:07,126 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 13:07:07,126 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 13:07:07,127 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 13:07:07,127 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 13:07:07,127 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 13:07:07,127 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 13:07:07,127 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 13:07:07,127 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 13:07:07,128 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 13:07:07,128 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 13:07:07,128 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 13:07:07,128 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 13:07:07,128 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 13:07:07,128 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 13:07:07,129 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 13:07:07,129 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 13:07:07,129 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 13:07:07,129 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 13:07:07,129 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 13:07:07,130 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 13:07:07,130 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 13:07:07,130 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 13:07:07,130 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 13:07:07,130 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 13:07:07,130 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 13:07:07,130 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 13:07:07,131 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 13:07:07,131 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 13:07:07,131 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 13:07:07,131 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 13:07:07,131 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 13:07:07,131 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 13:07:07,131 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 13:07:07,132 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 13:07:07,132 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 13:07:07,132 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 13:07:07,132 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 13:07:07,132 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 13:07:07,132 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 13:07:07,132 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 13:07:07,133 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 13:07:07,134 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 13:07:07,134 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 13:07:07,134 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 13:07:07,134 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 13:07:07,134 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 13:07:07,134 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 13:07:07,134 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 13:07:07,135 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 13:07:07,135 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 13:07:07,135 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 13:07:07,135 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 13:07:07,135 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 13:07:07,135 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 13:07:07,135 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 13:07:07,136 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 13:07:07,137 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 13:07:07,137 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 13:07:07,137 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 13:07:07,137 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 13:07:07,137 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 13:07:07,137 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 13:07:07,137 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 13:07:07,138 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 13:07:07,139 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 13:07:07,140 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 13:07:07,140 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 13:07:07,140 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 13:07:07,140 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 13:07:07,140 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-03-28 13:07:07,140 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 13:07:07,140 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 13:07:07,141 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 13:07:07,141 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 13:07:07,141 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 13:07:07,141 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 13:07:07,141 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 13:07:07,141 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 13:07:07,584 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 13:07:07,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:07:07 BoogieIcfgContainer [2018-03-28 13:07:07,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 13:07:07,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 13:07:07,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 13:07:07,589 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 13:07:07,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 01:07:06" (1/3) ... [2018-03-28 13:07:07,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328232d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:07:07, skipping insertion in model container [2018-03-28 13:07:07,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 01:07:06" (2/3) ... [2018-03-28 13:07:07,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328232d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 01:07:07, skipping insertion in model container [2018-03-28 13:07:07,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 01:07:07" (3/3) ... [2018-03-28 13:07:07,592 INFO L107 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-03-28 13:07:07,601 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 13:07:07,607 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-03-28 13:07:07,652 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 13:07:07,652 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 13:07:07,652 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 13:07:07,653 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 13:07:07,653 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 13:07:07,653 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 13:07:07,653 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 13:07:07,653 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 13:07:07,653 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 13:07:07,654 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 13:07:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-03-28 13:07:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-03-28 13:07:07,677 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:07,677 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] [2018-03-28 13:07:07,677 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]=== [2018-03-28 13:07:07,682 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 [2018-03-28 13:07:07,693 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:07,749 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:07,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:07,807 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:07,841 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:07,841 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:07,849 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:07,849 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 13:07:07,890 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:07:07,891 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 [2018-03-28 13:07:07,892 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:07,910 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:07:07,911 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:07:07,912 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 [2018-03-28 13:07:07,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:07,919 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. [2018-03-28 13:07:07,920 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-28 13:07:07,952 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 [2018-03-28 13:07:07,953 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:07,972 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. [2018-03-28 13:07:07,973 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-03-28 13:07:08,001 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 [2018-03-28 13:07:08,002 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:08,015 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. [2018-03-28 13:07:08,016 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-03-28 13:07:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:08,039 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:09,273 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:07:09,274 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 9 [2018-03-28 13:07:09,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 13:07:09,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 13:07:09,286 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=58, Unknown=3, NotChecked=0, Total=90 [2018-03-28 13:07:09,288 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2018-03-28 13:07:09,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:07:09,605 INFO L93 Difference]: Finished difference Result 129 states and 130 transitions. [2018-03-28 13:07:09,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 13:07:09,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-03-28 13:07:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:07:09,617 INFO L225 Difference]: With dead ends: 129 [2018-03-28 13:07:09,618 INFO L226 Difference]: Without dead ends: 90 [2018-03-28 13:07:09,621 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=58, Invalid=95, Unknown=3, NotChecked=0, Total=156 [2018-03-28 13:07:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-03-28 13:07:09,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-03-28 13:07:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-03-28 13:07:09,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2018-03-28 13:07:09,666 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 22 [2018-03-28 13:07:09,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:07:09,667 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2018-03-28 13:07:09,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 13:07:09,667 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2018-03-28 13:07:09,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-28 13:07:09,668 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:09,668 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] [2018-03-28 13:07:09,669 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]=== [2018-03-28 13:07:09,669 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 [2018-03-28 13:07:09,692 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:09,755 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:09,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:09,800 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:09,847 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:09,848 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:07:09,990 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 [2018-03-28 13:07:09,991 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:09,996 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. [2018-03-28 13:07:09,997 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 13:07:10,012 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 [2018-03-28 13:07:10,013 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,018 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. [2018-03-28 13:07:10,019 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 13:07:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:10,026 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:10,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:10,072 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:07:10,072 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:07:10,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 13:07:10,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 13:07:10,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 13:07:10,074 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 4 states. [2018-03-28 13:07:10,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:07:10,167 INFO L93 Difference]: Finished difference Result 90 states and 91 transitions. [2018-03-28 13:07:10,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 13:07:10,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-03-28 13:07:10,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:07:10,168 INFO L225 Difference]: With dead ends: 90 [2018-03-28 13:07:10,168 INFO L226 Difference]: Without dead ends: 88 [2018-03-28 13:07:10,169 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 13:07:10,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-03-28 13:07:10,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-03-28 13:07:10,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-03-28 13:07:10,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2018-03-28 13:07:10,175 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 23 [2018-03-28 13:07:10,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:07:10,175 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2018-03-28 13:07:10,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 13:07:10,175 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2018-03-28 13:07:10,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-03-28 13:07:10,176 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:10,176 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] [2018-03-28 13:07:10,176 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]=== [2018-03-28 13:07:10,176 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 [2018-03-28 13:07:10,183 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:10,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:10,203 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:10,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:10,215 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:10,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,251 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,251 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 13:07:10,274 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:07:10,275 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 [2018-03-28 13:07:10,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,288 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:07:10,289 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:07:10,290 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 [2018-03-28 13:07:10,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,296 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. [2018-03-28 13:07:10,297 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-28 13:07:10,323 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 [2018-03-28 13:07:10,324 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,360 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. [2018-03-28 13:07:10,361 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-03-28 13:07:10,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:10,372 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:10,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:10,764 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:07:10,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2018-03-28 13:07:10,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 13:07:10,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 13:07:10,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2018-03-28 13:07:10,765 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 9 states. [2018-03-28 13:07:10,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:07:10,903 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2018-03-28 13:07:10,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 13:07:10,903 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-03-28 13:07:10,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:07:10,904 INFO L225 Difference]: With dead ends: 88 [2018-03-28 13:07:10,904 INFO L226 Difference]: Without dead ends: 86 [2018-03-28 13:07:10,905 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 [2018-03-28 13:07:10,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-03-28 13:07:10,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-03-28 13:07:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-03-28 13:07:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 87 transitions. [2018-03-28 13:07:10,913 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 87 transitions. Word has length 23 [2018-03-28 13:07:10,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:07:10,914 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 87 transitions. [2018-03-28 13:07:10,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 13:07:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2018-03-28 13:07:10,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 13:07:10,915 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:10,915 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:07:10,915 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]=== [2018-03-28 13:07:10,915 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 [2018-03-28 13:07:10,927 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:10,947 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:10,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:10,951 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,953 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:07:10,962 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 [2018-03-28 13:07:10,962 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:10,966 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. [2018-03-28 13:07:10,966 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 13:07:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:10,974 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:11,008 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:07:11,009 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:07:11,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 13:07:11,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 13:07:11,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 13:07:11,009 INFO L87 Difference]: Start difference. First operand 86 states and 87 transitions. Second operand 4 states. [2018-03-28 13:07:11,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:07:11,061 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2018-03-28 13:07:11,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 13:07:11,061 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-03-28 13:07:11,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:07:11,062 INFO L225 Difference]: With dead ends: 86 [2018-03-28 13:07:11,062 INFO L226 Difference]: Without dead ends: 82 [2018-03-28 13:07:11,062 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 [2018-03-28 13:07:11,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-03-28 13:07:11,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-03-28 13:07:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-03-28 13:07:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2018-03-28 13:07:11,067 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 24 [2018-03-28 13:07:11,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:07:11,067 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2018-03-28 13:07:11,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 13:07:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2018-03-28 13:07:11,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-03-28 13:07:11,068 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:11,068 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 13:07:11,068 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]=== [2018-03-28 13:07:11,068 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 [2018-03-28 13:07:11,074 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:11,091 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:11,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:11,096 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:11,100 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:11,101 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:07:11,116 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 [2018-03-28 13:07:11,116 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:11,122 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. [2018-03-28 13:07:11,122 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-03-28 13:07:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:11,127 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:11,464 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:07:11,464 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2018-03-28 13:07:11,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 13:07:11,465 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 13:07:11,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2018-03-28 13:07:11,465 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 7 states. [2018-03-28 13:07:11,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:07:11,528 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2018-03-28 13:07:11,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:07:11,528 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-03-28 13:07:11,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:07:11,530 INFO L225 Difference]: With dead ends: 82 [2018-03-28 13:07:11,530 INFO L226 Difference]: Without dead ends: 78 [2018-03-28 13:07:11,530 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 [2018-03-28 13:07:11,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-03-28 13:07:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-03-28 13:07:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-03-28 13:07:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2018-03-28 13:07:11,538 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 24 [2018-03-28 13:07:11,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:07:11,539 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2018-03-28 13:07:11,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 13:07:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2018-03-28 13:07:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 13:07:11,540 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:11,540 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] [2018-03-28 13:07:11,540 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]=== [2018-03-28 13:07:11,540 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 [2018-03-28 13:07:11,553 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:11,576 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:11,581 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:11,582 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:11,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:11,584 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 13:07:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:11,597 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:11,629 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:07:11,629 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 13:07:11,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 13:07:11,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 13:07:11,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 13:07:11,630 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 4 states. [2018-03-28 13:07:11,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:07:11,668 INFO L93 Difference]: Finished difference Result 78 states and 79 transitions. [2018-03-28 13:07:11,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 13:07:11,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-03-28 13:07:11,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:07:11,669 INFO L225 Difference]: With dead ends: 78 [2018-03-28 13:07:11,669 INFO L226 Difference]: Without dead ends: 74 [2018-03-28 13:07:11,670 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 [2018-03-28 13:07:11,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-03-28 13:07:11,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-03-28 13:07:11,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-03-28 13:07:11,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2018-03-28 13:07:11,676 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 25 [2018-03-28 13:07:11,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:07:11,676 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2018-03-28 13:07:11,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 13:07:11,676 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2018-03-28 13:07:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 13:07:11,677 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:11,677 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] [2018-03-28 13:07:11,677 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]=== [2018-03-28 13:07:11,677 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 [2018-03-28 13:07:11,683 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:11,705 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:11,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 13:07:11,712 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 13:07:11,715 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:07:11,716 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 13:07:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:11,731 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:11,830 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 13:07:11,830 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 13:07:11,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 13:07:11,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 13:07:11,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 13:07:11,831 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 6 states. [2018-03-28 13:07:11,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 13:07:11,903 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2018-03-28 13:07:11,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 13:07:11,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-03-28 13:07:11,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 13:07:11,905 INFO L225 Difference]: With dead ends: 74 [2018-03-28 13:07:11,905 INFO L226 Difference]: Without dead ends: 70 [2018-03-28 13:07:11,905 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 [2018-03-28 13:07:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-03-28 13:07:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-03-28 13:07:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-03-28 13:07:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2018-03-28 13:07:11,912 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 25 [2018-03-28 13:07:11,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 13:07:11,913 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2018-03-28 13:07:11,913 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 13:07:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2018-03-28 13:07:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-03-28 13:07:11,915 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 13:07:11,915 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] [2018-03-28 13:07:11,915 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]=== [2018-03-28 13:07:11,915 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 [2018-03-28 13:07:11,926 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 13:07:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 13:07:11,964 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 13:07:12,211 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 [2018-03-28 13:07:12,248 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 [2018-03-28 13:07:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 13:07:12,310 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 13:07:12,415 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 44 [2018-03-28 13:07:12,460 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 [2018-03-28 13:07:12,499 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) [2018-03-28 13:07:12,503 INFO L168 Benchmark]: Toolchain (without parser) took 5901.41 ms. Allocated memory was 308.8 MB in the beginning and 465.6 MB in the end (delta: 156.8 MB). Free memory was 246.4 MB in the beginning and 358.6 MB in the end (delta: -112.2 MB). Peak memory consumption was 44.6 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:12,505 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 308.8 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:07:12,505 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.86 ms. Allocated memory is still 308.8 MB. Free memory was 245.4 MB in the beginning and 222.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:12,506 INFO L168 Benchmark]: Boogie Preprocessor took 53.72 ms. Allocated memory is still 308.8 MB. Free memory was 222.5 MB in the beginning and 219.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:12,506 INFO L168 Benchmark]: RCFGBuilder took 580.72 ms. Allocated memory was 308.8 MB in the beginning and 450.4 MB in the end (delta: 141.6 MB). Free memory was 219.5 MB in the beginning and 380.6 MB in the end (delta: -161.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:12,507 INFO L168 Benchmark]: TraceAbstraction took 4916.16 ms. Allocated memory was 450.4 MB in the beginning and 465.6 MB in the end (delta: 15.2 MB). Free memory was 380.6 MB in the beginning and 358.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 37.2 MB. Max. memory is 5.3 GB. [2018-03-28 13:07:12,510 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 308.8 MB. Free memory is still 271.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 344.86 ms. Allocated memory is still 308.8 MB. Free memory was 245.4 MB in the beginning and 222.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 53.72 ms. Allocated memory is still 308.8 MB. Free memory was 222.5 MB in the beginning and 219.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 580.72 ms. Allocated memory was 308.8 MB in the beginning and 450.4 MB in the end (delta: 141.6 MB). Free memory was 219.5 MB in the beginning and 380.6 MB in the end (delta: -161.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4916.16 ms. Allocated memory was 450.4 MB in the beginning and 465.6 MB in the end (delta: 15.2 MB). Free memory was 380.6 MB in the beginning and 358.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 37.2 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-0-2018-03-28_13-07-12-521.csv Received shutdown request...