java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-09 19:53:50,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 19:53:50,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 19:53:50,804 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-09 19:53:50,833 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-09 19:53:50,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 19:53:50,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 19:53:50,857 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 19:53:50,857 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 19:53:50,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 19:53:50,858 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 19:53:50,858 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 19:53:50,858 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 19:53:50,859 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 19:53:50,859 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 19:53:50,859 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 19:53:50,859 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 19:53:50,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 19:53:50,860 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 19:53:50,860 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 19:53:50,860 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 19:53:50,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 19:53:50,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 19:53:50,860 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 19:53:50,860 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 19:53:50,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 19:53:50,861 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 19:53:50,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 19:53:50,861 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 19:53:50,861 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 19:53:50,862 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 19:53:50,862 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 19:53:50,862 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 19:53:50,862 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 19:53:50,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 19:53:50,862 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 19:53:50,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 19:53:50,863 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:50,863 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 19:53:50,864 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 19:53:50,864 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 19:53:50,864 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 19:53:50,864 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 19:53:50,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 19:53:50,905 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 19:53:50,908 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 19:53:50,909 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 19:53:50,910 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 19:53:50,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,202 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf4aa6abeb [2018-04-09 19:53:51,389 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 19:53:51,389 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 19:53:51,390 INFO L168 CDTParser]: Scanning cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,400 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 19:53:51,400 INFO L215 ultiparseSymbolTable]: [2018-04-09 19:53:51,400 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 19:53:51,400 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 19:53:51,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,401 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,402 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,403 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,404 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,405 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,406 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,407 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,408 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,409 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,410 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,411 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,412 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,413 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:51,430 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf4aa6abeb [2018-04-09 19:53:51,435 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 19:53:51,437 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 19:53:51,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 19:53:51,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 19:53:51,444 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 19:53:51,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7074fbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51, skipping insertion in model container [2018-04-09 19:53:51,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,461 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:53:51,491 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 19:53:51,679 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:53:51,729 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 19:53:51,737 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-09 19:53:51,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51 WrapperNode [2018-04-09 19:53:51,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 19:53:51,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 19:53:51,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 19:53:51,784 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 19:53:51,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... [2018-04-09 19:53:51,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 19:53:51,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 19:53:51,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 19:53:51,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 19:53:51,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 19:53:51,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 19:53:51,956 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 19:53:51,956 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 19:53:51,956 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 19:53:51,956 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-04-09 19:53:51,956 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 19:53:51,957 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-09 19:53:51,957 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-09 19:53:51,957 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 19:53:51,957 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 19:53:51,957 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 19:53:51,957 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 19:53:51,958 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 19:53:51,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 19:53:51,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 19:53:51,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 19:53:51,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 19:53:51,958 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 19:53:51,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 19:53:51,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 19:53:51,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 19:53:51,959 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 19:53:51,959 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 19:53:51,959 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 19:53:51,960 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 19:53:51,960 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 19:53:51,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 19:53:51,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 19:53:51,960 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 19:53:51,960 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 19:53:51,960 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 19:53:51,961 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 19:53:51,961 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 19:53:51,961 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 19:53:51,961 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 19:53:51,961 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 19:53:51,961 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 19:53:51,961 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 19:53:51,962 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 19:53:51,963 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 19:53:51,963 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 19:53:51,963 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 19:53:51,963 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 19:53:51,963 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 19:53:51,963 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 19:53:51,963 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 19:53:51,964 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 19:53:51,965 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 19:53:51,966 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 19:53:51,967 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 19:53:51,967 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 19:53:51,967 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 19:53:51,967 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 19:53:51,967 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 19:53:51,967 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 19:53:51,967 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 19:53:51,968 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 19:53:51,969 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 19:53:51,969 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 19:53:51,969 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 19:53:51,969 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 19:53:51,969 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 19:53:51,969 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 19:53:51,969 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 19:53:51,970 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 19:53:51,971 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 19:53:51,972 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 19:53:51,972 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 19:53:52,393 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 19:53:52,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:53:52 BoogieIcfgContainer [2018-04-09 19:53:52,393 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 19:53:52,394 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 19:53:52,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 19:53:52,396 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 19:53:52,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 07:53:51" (1/3) ... [2018-04-09 19:53:52,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675d617c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:53:52, skipping insertion in model container [2018-04-09 19:53:52,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 07:53:51" (2/3) ... [2018-04-09 19:53:52,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675d617c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 07:53:52, skipping insertion in model container [2018-04-09 19:53:52,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 07:53:52" (3/3) ... [2018-04-09 19:53:52,399 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-09 19:53:52,406 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 19:53:52,414 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-09 19:53:52,459 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 19:53:52,460 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 19:53:52,460 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 19:53:52,460 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 19:53:52,460 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 19:53:52,460 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 19:53:52,460 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 19:53:52,460 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 19:53:52,460 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 19:53:52,461 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 19:53:52,474 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states. [2018-04-09 19:53:52,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-09 19:53:52,478 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:52,479 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:53:52,479 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:52,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1028420822, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:52,495 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:52,533 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:52,574 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:53:52,575 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:52,580 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:52,580 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:53:52,608 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 [2018-04-09 19:53:52,609 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:52,619 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. [2018-04-09 19:53:52,620 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-09 19:53:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:52,640 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:52,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:52,703 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:52,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:53:52,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 19:53:52,720 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 19:53:52,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 19:53:52,724 INFO L87 Difference]: Start difference. First operand 88 states. Second operand 4 states. [2018-04-09 19:53:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:52,806 INFO L93 Difference]: Finished difference Result 117 states and 122 transitions. [2018-04-09 19:53:52,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 19:53:52,808 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-09 19:53:52,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:52,817 INFO L225 Difference]: With dead ends: 117 [2018-04-09 19:53:52,818 INFO L226 Difference]: Without dead ends: 84 [2018-04-09 19:53:52,820 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:53:52,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-09 19:53:52,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-09 19:53:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-09 19:53:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2018-04-09 19:53:52,859 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 19 [2018-04-09 19:53:52,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:52,860 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2018-04-09 19:53:52,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 19:53:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2018-04-09 19:53:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-09 19:53:52,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:52,861 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:53:52,861 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:52,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1028420821, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:52,867 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:52,883 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:52,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:53:52,892 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:52,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:53:52,900 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:52,906 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:52,906 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-09 19:53:52,954 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:53:52,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:53:52,957 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 [2018-04-09 19:53:52,957 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:53,000 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 [2018-04-09 19:53:53,000 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:53,008 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:53,008 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-09 19:53:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:53,064 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:55,147 WARN L148 SmtUtils]: Spent 2051ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-09 19:53:55,185 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:55,186 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-09 19:53:55,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:55,212 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:55,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-09 19:53:55,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-09 19:53:55,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-09 19:53:55,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-09 19:53:55,214 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 9 states. [2018-04-09 19:53:55,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:55,430 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2018-04-09 19:53:55,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:53:55,430 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-09 19:53:55,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:55,432 INFO L225 Difference]: With dead ends: 84 [2018-04-09 19:53:55,432 INFO L226 Difference]: Without dead ends: 83 [2018-04-09 19:53:55,433 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-09 19:53:55,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-09 19:53:55,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-09 19:53:55,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-09 19:53:55,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 87 transitions. [2018-04-09 19:53:55,442 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 87 transitions. Word has length 19 [2018-04-09 19:53:55,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:55,443 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 87 transitions. [2018-04-09 19:53:55,443 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-09 19:53:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2018-04-09 19:53:55,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 19:53:55,444 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:55,444 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:53:55,445 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:55,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1816274337, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:55,460 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:55,473 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:55,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:53:55,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:55,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:55,478 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 19:53:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:55,483 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:55,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:55,516 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:55,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:53:55,516 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 19:53:55,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 19:53:55,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 19:53:55,517 INFO L87 Difference]: Start difference. First operand 83 states and 87 transitions. Second operand 4 states. [2018-04-09 19:53:55,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:55,559 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2018-04-09 19:53:55,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 19:53:55,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-09 19:53:55,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:55,560 INFO L225 Difference]: With dead ends: 83 [2018-04-09 19:53:55,560 INFO L226 Difference]: Without dead ends: 82 [2018-04-09 19:53:55,561 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:53:55,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-09 19:53:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-09 19:53:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-09 19:53:55,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 86 transitions. [2018-04-09 19:53:55,566 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 86 transitions. Word has length 20 [2018-04-09 19:53:55,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:55,566 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 86 transitions. [2018-04-09 19:53:55,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 19:53:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2018-04-09 19:53:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-09 19:53:55,567 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:55,567 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 19:53:55,567 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:55,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1816274336, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:55,577 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:55,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:55,590 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:55,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:53:55,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:55,621 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:55,621 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-09 19:53:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:55,639 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:55,727 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:55,727 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 19:53:55,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 19:53:55,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 19:53:55,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-09 19:53:55,728 INFO L87 Difference]: Start difference. First operand 82 states and 86 transitions. Second operand 7 states. [2018-04-09 19:53:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:55,949 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-09 19:53:55,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:53:55,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-09 19:53:55,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:55,951 INFO L225 Difference]: With dead ends: 82 [2018-04-09 19:53:55,951 INFO L226 Difference]: Without dead ends: 81 [2018-04-09 19:53:55,951 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:53:55,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-09 19:53:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-04-09 19:53:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-09 19:53:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2018-04-09 19:53:55,958 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 20 [2018-04-09 19:53:55,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:55,959 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2018-04-09 19:53:55,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 19:53:55,959 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2018-04-09 19:53:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 19:53:55,960 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:55,960 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] [2018-04-09 19:53:55,960 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:55,960 INFO L82 PathProgramCache]: Analyzing trace with hash 2100618370, 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 [2018-04-09 19:53:55,971 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:55,987 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:56,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,002 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:56,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,026 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:56,026 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 19:53:56,026 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 19:53:56,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 19:53:56,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:53:56,027 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 5 states. [2018-04-09 19:53:56,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:56,099 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2018-04-09 19:53:56,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 19:53:56,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-04-09 19:53:56,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:56,100 INFO L225 Difference]: With dead ends: 85 [2018-04-09 19:53:56,100 INFO L226 Difference]: Without dead ends: 82 [2018-04-09 19:53:56,101 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:53:56,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-09 19:53:56,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2018-04-09 19:53:56,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-09 19:53:56,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-04-09 19:53:56,108 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 27 [2018-04-09 19:53:56,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:56,108 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2018-04-09 19:53:56,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 19:53:56,108 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2018-04-09 19:53:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-09 19:53:56,109 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:56,109 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] [2018-04-09 19:53:56,109 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:56,109 INFO L82 PathProgramCache]: Analyzing trace with hash 2100618371, 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 [2018-04-09 19:53:56,116 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:56,134 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,190 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:56,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 19:53:56,199 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:56,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 19:53:56,205 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:56,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:53:56,208 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 19:53:56,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,239 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:56,239 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-09 19:53:56,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:53:56,239 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:53:56,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:53:56,240 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 8 states. [2018-04-09 19:53:56,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:56,358 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2018-04-09 19:53:56,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 19:53:56,358 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-04-09 19:53:56,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:56,359 INFO L225 Difference]: With dead ends: 82 [2018-04-09 19:53:56,359 INFO L226 Difference]: Without dead ends: 79 [2018-04-09 19:53:56,360 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-09 19:53:56,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-09 19:53:56,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-09 19:53:56,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-09 19:53:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-04-09 19:53:56,366 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 27 [2018-04-09 19:53:56,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:56,367 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-04-09 19:53:56,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:53:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-04-09 19:53:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-09 19:53:56,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:56,368 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] [2018-04-09 19:53:56,368 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:56,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1463970504, 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 [2018-04-09 19:53:56,376 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:56,397 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,409 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:56,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,438 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:56,438 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-09 19:53:56,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 19:53:56,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 19:53:56,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 19:53:56,439 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 5 states. [2018-04-09 19:53:56,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:56,502 INFO L93 Difference]: Finished difference Result 105 states and 111 transitions. [2018-04-09 19:53:56,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 19:53:56,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2018-04-09 19:53:56,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:56,503 INFO L225 Difference]: With dead ends: 105 [2018-04-09 19:53:56,503 INFO L226 Difference]: Without dead ends: 103 [2018-04-09 19:53:56,504 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:53:56,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-04-09 19:53:56,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 92. [2018-04-09 19:53:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-09 19:53:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 100 transitions. [2018-04-09 19:53:56,512 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 100 transitions. Word has length 31 [2018-04-09 19:53:56,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:56,513 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 100 transitions. [2018-04-09 19:53:56,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 19:53:56,513 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2018-04-09 19:53:56,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-09 19:53:56,514 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:56,514 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] [2018-04-09 19:53:56,514 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:56,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1463970505, 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 [2018-04-09 19:53:56,524 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:56,542 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,596 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:56,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-09 19:53:56,603 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:56,609 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 19:53:56,610 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:56,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:53:56,612 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-09 19:53:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,659 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:56,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-09 19:53:56,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-09 19:53:56,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-09 19:53:56,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:53:56,660 INFO L87 Difference]: Start difference. First operand 92 states and 100 transitions. Second operand 8 states. [2018-04-09 19:53:56,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:56,768 INFO L93 Difference]: Finished difference Result 103 states and 109 transitions. [2018-04-09 19:53:56,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 19:53:56,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 31 [2018-04-09 19:53:56,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:56,769 INFO L225 Difference]: With dead ends: 103 [2018-04-09 19:53:56,769 INFO L226 Difference]: Without dead ends: 101 [2018-04-09 19:53:56,770 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-09 19:53:56,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-09 19:53:56,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 92. [2018-04-09 19:53:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-09 19:53:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-04-09 19:53:56,776 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 31 [2018-04-09 19:53:56,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:56,776 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-04-09 19:53:56,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-09 19:53:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-04-09 19:53:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-09 19:53:56,777 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:56,777 INFO L355 BasicCegarLoop]: trace histogram [2, 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] [2018-04-09 19:53:56,777 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:56,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1186763261, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:56,784 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:56,802 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,807 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:56,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:56,835 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:56,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 19:53:56,836 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-09 19:53:56,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-09 19:53:56,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 19:53:56,836 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 3 states. [2018-04-09 19:53:56,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:56,845 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-04-09 19:53:56,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-09 19:53:56,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 42 [2018-04-09 19:53:56,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:56,846 INFO L225 Difference]: With dead ends: 152 [2018-04-09 19:53:56,846 INFO L226 Difference]: Without dead ends: 93 [2018-04-09 19:53:56,846 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-09 19:53:56,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-09 19:53:56,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-04-09 19:53:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-04-09 19:53:56,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2018-04-09 19:53:56,853 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 98 transitions. Word has length 42 [2018-04-09 19:53:56,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:56,853 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 98 transitions. [2018-04-09 19:53:56,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-09 19:53:56,853 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 98 transitions. [2018-04-09 19:53:56,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-09 19:53:56,855 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:56,855 INFO L355 BasicCegarLoop]: trace histogram [2, 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] [2018-04-09 19:53:56,855 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:56,855 INFO L82 PathProgramCache]: Analyzing trace with hash -207545125, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:56,862 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:56,879 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 19:53:56,895 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-09 19:53:56,922 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:56,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 19:53:56,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 19:53:56,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 19:53:56,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:53:56,923 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. Second operand 6 states. [2018-04-09 19:53:56,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:56,979 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2018-04-09 19:53:56,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:53:56,979 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 45 [2018-04-09 19:53:56,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:56,980 INFO L225 Difference]: With dead ends: 93 [2018-04-09 19:53:56,980 INFO L226 Difference]: Without dead ends: 92 [2018-04-09 19:53:56,981 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:53:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-09 19:53:56,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-09 19:53:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-09 19:53:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-04-09 19:53:56,987 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 45 [2018-04-09 19:53:56,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:56,988 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-04-09 19:53:56,988 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 19:53:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-04-09 19:53:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-09 19:53:56,989 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:56,989 INFO L355 BasicCegarLoop]: trace histogram [2, 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] [2018-04-09 19:53:56,989 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:56,989 INFO L82 PathProgramCache]: Analyzing trace with hash -207545124, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:56,995 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:57,017 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:57,062 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:53:57,063 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,072 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 19:53:57,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:53:57,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:53:57,085 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 [2018-04-09 19:53:57,085 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,088 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,088 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-09 19:53:57,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-09 19:53:57,104 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 11 treesize of output 10 [2018-04-09 19:53:57,105 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,106 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,112 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:53:57,112 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-09 19:53:57,132 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-09 19:53:57,134 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 11 treesize of output 10 [2018-04-09 19:53:57,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,141 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-09 19:53:57,150 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-09 19:53:57,278 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-09 19:53:57,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 8 treesize of output 1 [2018-04-09 19:53:57,284 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 11 [2018-04-09 19:53:57,308 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 19:53:57,313 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:53:57,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:53:57,333 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-04-09 19:53:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:57,468 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:57,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-09 19:53:57,753 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 19:53:57,770 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 19:53:57,770 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,772 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,777 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:57,778 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-09 19:53:57,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:57,865 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:53:57,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11] total 24 [2018-04-09 19:53:57,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-09 19:53:57,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-09 19:53:57,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2018-04-09 19:53:57,866 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 25 states. [2018-04-09 19:53:58,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:58,946 INFO L93 Difference]: Finished difference Result 183 states and 194 transitions. [2018-04-09 19:53:58,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-09 19:53:58,947 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 45 [2018-04-09 19:53:58,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:58,950 INFO L225 Difference]: With dead ends: 183 [2018-04-09 19:53:58,950 INFO L226 Difference]: Without dead ends: 182 [2018-04-09 19:53:58,951 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=273, Invalid=1533, Unknown=0, NotChecked=0, Total=1806 [2018-04-09 19:53:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-09 19:53:58,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 106. [2018-04-09 19:53:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-09 19:53:58,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2018-04-09 19:53:58,963 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 45 [2018-04-09 19:53:58,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:58,963 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2018-04-09 19:53:58,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-09 19:53:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2018-04-09 19:53:58,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-09 19:53:58,964 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:58,964 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2018-04-09 19:53:58,964 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:58,964 INFO L82 PathProgramCache]: Analyzing trace with hash -776417631, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:58,970 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:58,988 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:59,003 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-09 19:53:59,003 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:53:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-09 19:53:59,030 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:53:59,030 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 19:53:59,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 19:53:59,030 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 19:53:59,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 19:53:59,030 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 6 states. [2018-04-09 19:53:59,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:53:59,076 INFO L93 Difference]: Finished difference Result 106 states and 112 transitions. [2018-04-09 19:53:59,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 19:53:59,076 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-04-09 19:53:59,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:53:59,077 INFO L225 Difference]: With dead ends: 106 [2018-04-09 19:53:59,077 INFO L226 Difference]: Without dead ends: 104 [2018-04-09 19:53:59,077 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-09 19:53:59,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-04-09 19:53:59,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-04-09 19:53:59,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-04-09 19:53:59,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 110 transitions. [2018-04-09 19:53:59,083 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 110 transitions. Word has length 49 [2018-04-09 19:53:59,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:53:59,083 INFO L459 AbstractCegarLoop]: Abstraction has 104 states and 110 transitions. [2018-04-09 19:53:59,083 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 19:53:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2018-04-09 19:53:59,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-09 19:53:59,084 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:53:59,085 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2018-04-09 19:53:59,085 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:53:59,085 INFO L82 PathProgramCache]: Analyzing trace with hash -776417630, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:53:59,092 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:53:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:53:59,117 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:53:59,143 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-09 19:53:59,145 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 11 treesize of output 10 [2018-04-09 19:53:59,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:59,147 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:53:59,153 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 19:53:59,153 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-09 19:53:59,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 33 [2018-04-09 19:53:59,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 29 treesize of output 22 [2018-04-09 19:53:59,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:53:59,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 20 [2018-04-09 19:53:59,407 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 19:53:59,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 31 [2018-04-09 19:53:59,468 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-09 19:53:59,510 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-09 19:53:59,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-09 19:53:59,542 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:66 [2018-04-09 19:53:59,636 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:53:59,636 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:00,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 39 [2018-04-09 19:54:00,018 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,020 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 43 [2018-04-09 19:54:00,020 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-04-09 19:54:00,056 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,057 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-04-09 19:54:00,058 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 38 [2018-04-09 19:54:00,129 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-04-09 19:54:00,129 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-09 19:54:00,144 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-04-09 19:54:00,159 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,165 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 26 [2018-04-09 19:54:00,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 17 treesize of output 9 [2018-04-09 19:54:00,184 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,189 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 19:54:00,189 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,193 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2018-04-09 19:54:00,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-04-09 19:54:00,262 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,277 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-04-09 19:54:00,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 3 [2018-04-09 19:54:00,295 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,300 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 19:54:00,300 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,304 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:00,319 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:54:00,320 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 10 variables, input treesize:125, output treesize:17 [2018-04-09 19:54:00,382 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:00,403 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:54:00,403 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2018-04-09 19:54:00,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-09 19:54:00,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-09 19:54:00,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=816, Unknown=0, NotChecked=0, Total=930 [2018-04-09 19:54:00,404 INFO L87 Difference]: Start difference. First operand 104 states and 110 transitions. Second operand 31 states. [2018-04-09 19:54:01,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:01,895 INFO L93 Difference]: Finished difference Result 185 states and 196 transitions. [2018-04-09 19:54:01,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-09 19:54:01,895 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 49 [2018-04-09 19:54:01,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:01,897 INFO L225 Difference]: With dead ends: 185 [2018-04-09 19:54:01,897 INFO L226 Difference]: Without dead ends: 183 [2018-04-09 19:54:01,898 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 747 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=566, Invalid=2856, Unknown=0, NotChecked=0, Total=3422 [2018-04-09 19:54:01,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-04-09 19:54:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 108. [2018-04-09 19:54:01,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-09 19:54:01,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 115 transitions. [2018-04-09 19:54:01,904 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 115 transitions. Word has length 49 [2018-04-09 19:54:01,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:01,904 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 115 transitions. [2018-04-09 19:54:01,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-09 19:54:01,905 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 115 transitions. [2018-04-09 19:54:01,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-09 19:54:01,905 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:54:01,905 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, 1, 1, 1] [2018-04-09 19:54:01,905 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:54:01,906 INFO L82 PathProgramCache]: Analyzing trace with hash 517065077, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:54:01,911 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:54:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:54:01,927 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:54:01,960 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:01,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-09 19:54:01,967 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:01,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 17 treesize of output 21 [2018-04-09 19:54:01,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:01,973 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:01,976 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. [2018-04-09 19:54:01,976 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:54:02,025 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-09 19:54:02,037 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-09 19:54:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:02,046 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:02,085 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_14| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_14| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_14| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_14|))))) is different from false [2018-04-09 19:54:02,092 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_13| Int) (|v_main_#t~malloc14.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_14| 1) |v_main_#t~malloc13.base_13| 0) |v_main_#t~malloc14.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_14|)))))) is different from false [2018-04-09 19:54:02,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:02,125 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:54:02,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-09 19:54:02,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 19:54:02,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 19:54:02,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-09 19:54:02,126 INFO L87 Difference]: Start difference. First operand 108 states and 115 transitions. Second operand 14 states. [2018-04-09 19:54:02,137 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_13| Int) (|v_main_#t~malloc14.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_14| 1) |v_main_#t~malloc13.base_13| 0) |v_main_#t~malloc14.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_14|))))))) is different from false [2018-04-09 19:54:02,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:02,411 INFO L93 Difference]: Finished difference Result 201 states and 214 transitions. [2018-04-09 19:54:02,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-09 19:54:02,411 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2018-04-09 19:54:02,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:02,412 INFO L225 Difference]: With dead ends: 201 [2018-04-09 19:54:02,412 INFO L226 Difference]: Without dead ends: 174 [2018-04-09 19:54:02,413 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=171, Unknown=6, NotChecked=150, Total=380 [2018-04-09 19:54:02,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-04-09 19:54:02,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2018-04-09 19:54:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-09 19:54:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 182 transitions. [2018-04-09 19:54:02,424 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 182 transitions. Word has length 54 [2018-04-09 19:54:02,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:02,424 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 182 transitions. [2018-04-09 19:54:02,424 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 19:54:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 182 transitions. [2018-04-09 19:54:02,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-09 19:54:02,425 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:54:02,425 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, 1, 1, 1, 1] [2018-04-09 19:54:02,425 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:54:02,425 INFO L82 PathProgramCache]: Analyzing trace with hash 2006533223, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:54:02,432 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:54:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:54:02,448 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:54:02,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:02,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-09 19:54:02,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 23 treesize of output 15 [2018-04-09 19:54:02,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:02,481 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:02,484 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. [2018-04-09 19:54:02,484 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:54:02,549 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-09 19:54:02,553 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-09 19:54:02,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:02,560 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:02,584 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_16| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc14.base_16|) 0)) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_16| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_16| 0) |c_old(#valid)|))) is different from false [2018-04-09 19:54:02,591 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_15| Int) (|v_main_#t~malloc14.base_16| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_15| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_15|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_16|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_16| 1) |v_main_#t~malloc13.base_15| 0) |v_main_#t~malloc14.base_16| 0) |c_old(#valid)|)))) is different from false [2018-04-09 19:54:02,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:02,623 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:54:02,623 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-09 19:54:02,624 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-09 19:54:02,624 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-09 19:54:02,624 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=71, Unknown=4, NotChecked=76, Total=182 [2018-04-09 19:54:02,624 INFO L87 Difference]: Start difference. First operand 171 states and 182 transitions. Second operand 14 states. [2018-04-09 19:54:02,633 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc13.base_15| Int) (|v_main_#t~malloc14.base_16| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_15| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_15|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_16|))) (= (store (store (store .cse0 |v_main_#t~malloc14.base_16| 1) |v_main_#t~malloc13.base_15| 0) |v_main_#t~malloc14.base_16| 0) |c_old(#valid)|)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-09 19:54:03,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:03,054 INFO L93 Difference]: Finished difference Result 263 states and 279 transitions. [2018-04-09 19:54:03,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-09 19:54:03,055 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-04-09 19:54:03,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:03,056 INFO L225 Difference]: With dead ends: 263 [2018-04-09 19:54:03,056 INFO L226 Difference]: Without dead ends: 236 [2018-04-09 19:54:03,056 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=171, Unknown=6, NotChecked=150, Total=380 [2018-04-09 19:54:03,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-04-09 19:54:03,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 170. [2018-04-09 19:54:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-04-09 19:54:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 180 transitions. [2018-04-09 19:54:03,067 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 180 transitions. Word has length 55 [2018-04-09 19:54:03,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:03,067 INFO L459 AbstractCegarLoop]: Abstraction has 170 states and 180 transitions. [2018-04-09 19:54:03,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-09 19:54:03,067 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 180 transitions. [2018-04-09 19:54:03,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-09 19:54:03,067 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:54:03,068 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, 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] [2018-04-09 19:54:03,068 INFO L408 AbstractCegarLoop]: === Iteration 16 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:54:03,068 INFO L82 PathProgramCache]: Analyzing trace with hash 981236066, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:54:03,073 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:54:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:54:03,090 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:54:03,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-09 19:54:03,096 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 8 treesize of output 7 [2018-04-09 19:54:03,096 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,097 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,098 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-09 19:54:03,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:03,276 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:03,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2018-04-09 19:54:03,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 20 treesize of output 14 [2018-04-09 19:54:03,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,765 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-04-09 19:54:03,766 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,786 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 19:54:03,787 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 19:54:03,787 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-04-09 19:54:03,788 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,794 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:54:03,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 26 [2018-04-09 19:54:03,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-09 19:54:03,809 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,812 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,820 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:03,820 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:52, output treesize:3 [2018-04-09 19:54:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:03,850 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:54:03,851 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14, 13] imperfect sequences [] total 23 [2018-04-09 19:54:03,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-09 19:54:03,851 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-09 19:54:03,851 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2018-04-09 19:54:03,851 INFO L87 Difference]: Start difference. First operand 170 states and 180 transitions. Second operand 23 states. [2018-04-09 19:54:04,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:04,657 INFO L93 Difference]: Finished difference Result 226 states and 237 transitions. [2018-04-09 19:54:04,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-09 19:54:04,658 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 55 [2018-04-09 19:54:04,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:04,659 INFO L225 Difference]: With dead ends: 226 [2018-04-09 19:54:04,659 INFO L226 Difference]: Without dead ends: 207 [2018-04-09 19:54:04,660 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 86 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=361, Invalid=1279, Unknown=0, NotChecked=0, Total=1640 [2018-04-09 19:54:04,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-04-09 19:54:04,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 182. [2018-04-09 19:54:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-04-09 19:54:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 192 transitions. [2018-04-09 19:54:04,675 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 192 transitions. Word has length 55 [2018-04-09 19:54:04,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:04,675 INFO L459 AbstractCegarLoop]: Abstraction has 182 states and 192 transitions. [2018-04-09 19:54:04,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-09 19:54:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 192 transitions. [2018-04-09 19:54:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-09 19:54:04,676 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:54:04,676 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, 1, 1, 1, 1] [2018-04-09 19:54:04,676 INFO L408 AbstractCegarLoop]: === Iteration 17 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:54:04,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1415648830, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:54:04,685 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:54:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:54:04,706 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:54:04,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:04,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-09 19:54:04,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 23 treesize of output 15 [2018-04-09 19:54:04,735 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:04,739 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:04,743 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. [2018-04-09 19:54:04,744 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:54:04,785 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-09 19:54:04,790 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-09 19:54:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:04,801 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:04,838 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_20| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_20|))))) is different from false [2018-04-09 19:54:04,841 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0))))) is different from false [2018-04-09 19:54:04,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:04,876 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:54:04,876 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 19:54:04,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 19:54:04,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 19:54:04,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 19:54:04,877 INFO L87 Difference]: Start difference. First operand 182 states and 192 transitions. Second operand 12 states. [2018-04-09 19:54:04,891 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0)))))) is different from false [2018-04-09 19:54:05,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:05,461 INFO L93 Difference]: Finished difference Result 288 states and 304 transitions. [2018-04-09 19:54:05,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 19:54:05,462 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 55 [2018-04-09 19:54:05,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:05,463 INFO L225 Difference]: With dead ends: 288 [2018-04-09 19:54:05,464 INFO L226 Difference]: Without dead ends: 249 [2018-04-09 19:54:05,464 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 99 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 19:54:05,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-04-09 19:54:05,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 184. [2018-04-09 19:54:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-04-09 19:54:05,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 195 transitions. [2018-04-09 19:54:05,478 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 195 transitions. Word has length 55 [2018-04-09 19:54:05,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:05,478 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 195 transitions. [2018-04-09 19:54:05,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 19:54:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 195 transitions. [2018-04-09 19:54:05,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-09 19:54:05,479 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:54:05,479 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, 1, 1, 1, 1, 1] [2018-04-09 19:54:05,480 INFO L408 AbstractCegarLoop]: === Iteration 18 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:54:05,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1808190736, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:54:05,491 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:54:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:54:05,515 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:54:05,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:05,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-09 19:54:05,548 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 23 treesize of output 15 [2018-04-09 19:54:05,549 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:05,553 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:05,558 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. [2018-04-09 19:54:05,558 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-09 19:54:05,598 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-09 19:54:05,602 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-09 19:54:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:05,609 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:05,627 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_22| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc14.base_22| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_22| 0)) (not (= (select |c_#valid| |v_main_#t~malloc14.base_22|) 0)))) is different from false [2018-04-09 19:54:05,639 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_22| Int) (|v_main_#t~malloc13.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_21| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc14.base_22| 1) |v_main_#t~malloc13.base_21| 0) |v_main_#t~malloc14.base_22| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_21|) 0)) (not (= (select .cse0 |v_main_#t~malloc14.base_22|) 0))))) is different from false [2018-04-09 19:54:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:05,695 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 19:54:05,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-09 19:54:05,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-09 19:54:05,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-09 19:54:05,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-09 19:54:05,695 INFO L87 Difference]: Start difference. First operand 184 states and 195 transitions. Second operand 12 states. [2018-04-09 19:54:05,712 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_22| Int) (|v_main_#t~malloc13.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_21| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc14.base_22| 1) |v_main_#t~malloc13.base_21| 0) |v_main_#t~malloc14.base_22| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_21|) 0)) (not (= (select .cse0 |v_main_#t~malloc14.base_22|) 0)))))) is different from false [2018-04-09 19:54:06,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:06,105 INFO L93 Difference]: Finished difference Result 187 states and 195 transitions. [2018-04-09 19:54:06,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-09 19:54:06,106 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 56 [2018-04-09 19:54:06,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:06,107 INFO L225 Difference]: With dead ends: 187 [2018-04-09 19:54:06,107 INFO L226 Difference]: Without dead ends: 148 [2018-04-09 19:54:06,107 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-09 19:54:06,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-09 19:54:06,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 81. [2018-04-09 19:54:06,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-09 19:54:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-04-09 19:54:06,117 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 56 [2018-04-09 19:54:06,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:06,117 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-04-09 19:54:06,117 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-09 19:54:06,117 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-04-09 19:54:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-09 19:54:06,118 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:54:06,118 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-04-09 19:54:06,118 INFO L408 AbstractCegarLoop]: === Iteration 19 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:54:06,118 INFO L82 PathProgramCache]: Analyzing trace with hash -324316939, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:54:06,127 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:54:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:54:06,151 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:54:06,154 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:54:06,154 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,160 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:54:06,160 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,164 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,164 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-09 19:54:06,177 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:06,179 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 [2018-04-09 19:54:06,179 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,189 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:06,190 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 19:54:06,191 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 [2018-04-09 19:54:06,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,196 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-09 19:54:06,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 19:54:06,217 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 12 treesize of output 11 [2018-04-09 19:54:06,217 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-09 19:54:06,247 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-09 19:54:06,249 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 13 treesize of output 12 [2018-04-09 19:54:06,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-09 19:54:06,262 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-09 19:54:06,379 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-04-09 19:54:06,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 19:54:06,388 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 19:54:06,396 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 10 treesize of output 1 [2018-04-09 19:54:06,396 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:54:06,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:54:06,407 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-09 19:54:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:06,534 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:06,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-09 19:54:06,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-09 19:54:06,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,905 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:06,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:54:06,910 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:35 [2018-04-09 19:54:07,335 WARN L148 SmtUtils]: Spent 351ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-09 19:54:07,750 WARN L148 SmtUtils]: Spent 369ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-09 19:54:07,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:07,788 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:54:07,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-04-09 19:54:07,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-09 19:54:07,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-09 19:54:07,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2018-04-09 19:54:07,789 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 32 states. [2018-04-09 19:54:10,152 WARN L151 SmtUtils]: Spent 1541ms on a formula simplification. DAG size of input: 38 DAG size of output 33 [2018-04-09 19:54:11,846 WARN L151 SmtUtils]: Spent 1438ms on a formula simplification. DAG size of input: 56 DAG size of output 47 [2018-04-09 19:54:13,087 WARN L151 SmtUtils]: Spent 724ms on a formula simplification. DAG size of input: 61 DAG size of output 50 [2018-04-09 19:54:13,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:13,094 INFO L93 Difference]: Finished difference Result 89 states and 91 transitions. [2018-04-09 19:54:13,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-09 19:54:13,094 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 63 [2018-04-09 19:54:13,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:13,095 INFO L225 Difference]: With dead ends: 89 [2018-04-09 19:54:13,095 INFO L226 Difference]: Without dead ends: 88 [2018-04-09 19:54:13,096 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=484, Invalid=2378, Unknown=0, NotChecked=0, Total=2862 [2018-04-09 19:54:13,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-09 19:54:13,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2018-04-09 19:54:13,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-09 19:54:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-04-09 19:54:13,103 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 63 [2018-04-09 19:54:13,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:13,103 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-04-09 19:54:13,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-09 19:54:13,103 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-04-09 19:54:13,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-09 19:54:13,104 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 19:54:13,104 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-04-09 19:54:13,104 INFO L408 AbstractCegarLoop]: === Iteration 20 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-09 19:54:13,104 INFO L82 PathProgramCache]: Analyzing trace with hash 334057019, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 19:54:13,110 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 19:54:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 19:54:13,132 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 19:54:13,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 19:54:13,135 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:13,137 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:13,138 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 19:54:13,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-09 19:54:13,147 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 12 treesize of output 11 [2018-04-09 19:54:13,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:13,148 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:13,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:13,150 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-09 19:54:13,254 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2018-04-09 19:54:13,266 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 33 [2018-04-09 19:54:13,266 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-04-09 19:54:13,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 28 [2018-04-09 19:54:13,299 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 19:54:13,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 17 [2018-04-09 19:54:13,330 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:13,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 19 treesize of output 12 [2018-04-09 19:54:13,332 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:13,357 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-09 19:54:13,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-09 19:54:13,386 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 3 variables, input treesize:44, output treesize:91 [2018-04-09 19:54:13,516 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:13,516 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 19:54:14,065 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-09 19:54:14,094 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 24 treesize of output 16 [2018-04-09 19:54:14,094 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:14,105 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-09 19:54:14,105 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:14,116 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-09 19:54:14,116 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 19:54:14,119 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 19:54:14,128 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 19:54:14,128 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-09 19:54:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 19:54:14,235 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 19:54:14,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-04-09 19:54:14,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-09 19:54:14,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-09 19:54:14,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1119, Unknown=0, NotChecked=0, Total=1260 [2018-04-09 19:54:14,236 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 36 states. [2018-04-09 19:54:15,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 19:54:15,866 INFO L93 Difference]: Finished difference Result 91 states and 93 transitions. [2018-04-09 19:54:15,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-09 19:54:15,866 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 67 [2018-04-09 19:54:15,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 19:54:15,866 INFO L225 Difference]: With dead ends: 91 [2018-04-09 19:54:15,867 INFO L226 Difference]: Without dead ends: 0 [2018-04-09 19:54:15,868 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=962, Invalid=3868, Unknown=0, NotChecked=0, Total=4830 [2018-04-09 19:54:15,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-09 19:54:15,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-09 19:54:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-09 19:54:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-09 19:54:15,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-04-09 19:54:15,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 19:54:15,868 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-09 19:54:15,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-09 19:54:15,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-09 19:54:15,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-09 19:54:15,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-09 19:54:16,111 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 201 DAG size of output 198 [2018-04-09 19:54:17,463 WARN L151 SmtUtils]: Spent 1283ms on a formula simplification. DAG size of input: 166 DAG size of output 75 [2018-04-09 19:54:28,716 WARN L151 SmtUtils]: Spent 11250ms on a formula simplification. DAG size of input: 239 DAG size of output 109 [2018-04-09 19:54:30,262 WARN L151 SmtUtils]: Spent 1544ms on a formula simplification. DAG size of input: 167 DAG size of output 1 [2018-04-09 19:54:30,266 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-09 19:54:30,266 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-09 19:54:30,266 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:54:30,266 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:54:30,266 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-09 19:54:30,266 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr1RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 550) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-09 19:54:30,267 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 546) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr0RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr2RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point L549'''(line 549) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point L549''''(line 549) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point L543'''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,268 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point L543'''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr9RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr7RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr4RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point L543'(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-04-09 19:54:30,269 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point cstrcmpEXIT(lines 540 550) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr6RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point L543''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point L543'''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''''(lines 543 546) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point L549'''''(line 549) no Hoare annotation was computed. [2018-04-09 19:54:30,270 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr5RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point cstrcmpFINAL(lines 540 550) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point L543''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L419 ceAbstractionStarter]: At program point cstrcmpENTRY(lines 540 550) the Hoare annotation is: true [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr8RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point cstrcmpErr3RequiresViolation(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point L543''''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,271 INFO L416 ceAbstractionStarter]: For program point L543'''''''(lines 543 546) no Hoare annotation was computed. [2018-04-09 19:54:30,272 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,272 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,272 INFO L416 ceAbstractionStarter]: For program point L543''''''''''''''''(line 543) no Hoare annotation was computed. [2018-04-09 19:54:30,272 INFO L412 ceAbstractionStarter]: At program point L543'''''''''''''''''(lines 543 546) the Hoare annotation is: (let ((.cse3 (select |#length| cstrcmp_~s1.base))) (let ((.cse2 (= 1 (select |#valid| cstrcmp_~s1.base))) (.cse1 (= 0 (select (select |#memory_int| cstrcmp_~s1.base) (+ .cse3 (- 1))))) (.cse4 (select |#length| |cstrcmp_#in~s2.base|))) (or (let ((.cse0 (select |#length| cstrcmp_~s2.base))) (and (= (select (select |#memory_int| cstrcmp_~s2.base) (+ .cse0 (- 1))) 0) .cse1 (<= 1 cstrcmp_~s1.offset) (and .cse2 (<= (+ cstrcmp_~s1.offset 1) .cse3) (= (select |#valid| cstrcmp_~s2.base) 1) (<= (+ cstrcmp_~s2.offset 1) .cse0) (<= 1 cstrcmp_~s2.offset)))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |cstrcmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))) (and (and .cse2 (= cstrcmp_~s2.base |cstrcmp_#in~s2.base|) (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= (select (select |#memory_int| cstrcmp_~s1.base) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1))) 0) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| cstrcmp_~s1.base)) (<= 1 main_~length1~0) (<= cstrcmp_~s1.offset v_main_~nondetString1~0.offset_BEFORE_CALL_2))) (= |cstrcmp_#in~s2.offset| cstrcmp_~s2.offset) (<= 0 cstrcmp_~s1.offset)) .cse1) (not (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) (+ (select |#length| |cstrcmp_#in~s1.base|) (- 1))))) (not (= (select (select |#memory_int| |cstrcmp_#in~s2.base|) (+ .cse4 (- 1))) 0)) (or (< |cstrcmp_#in~s2.offset| 0) (not (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= 0 (select (select |#memory_int| |cstrcmp_#in~s1.base|) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1)))) (<= |cstrcmp_#in~s1.offset| v_main_~nondetString1~0.offset_BEFORE_CALL_2) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| |cstrcmp_#in~s1.base|)) (<= 1 main_~length1~0)))) (not (= (select |#valid| |cstrcmp_#in~s1.base|) 1)) (not (exists ((|v_main_#t~malloc14.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc13.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc14.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc14.base_BEFORE_CALL_7| |v_main_#t~malloc13.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< |cstrcmp_#in~s1.offset| 0) (< .cse4 (+ |cstrcmp_#in~s2.offset| 1)) (not (= 1 (select |#valid| |cstrcmp_#in~s2.base|))))))) [2018-04-09 19:54:30,272 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-09 19:54:30,272 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-09 19:54:30,273 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-09 19:54:30,273 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-09 19:54:30,273 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-09 19:54:30,273 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-09 19:54:30,273 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-09 19:54:30,273 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-09 19:54:30,273 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-09 19:54:30,273 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-09 19:54:30,273 INFO L416 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L412 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (select |#length| main_~nondetString2~0.base)) (.cse13 (select |#length| main_~nondetString1~0.base))) (and (= .cse0 main_~length2~0) (let ((.cse14 (store |old(#valid)| |main_#t~malloc13.base| 1))) (let ((.cse1 (= 0 main_~nondetString1~0.offset)) (.cse2 (not (= main_~nondetString2~0.base main_~nondetString1~0.base))) (.cse3 (= |main_#t~malloc14.offset| 0)) (.cse4 (= |#valid| (store .cse14 |main_#t~malloc14.base| 1))) (.cse5 (= (select .cse14 |main_#t~malloc14.base|) 0)) (.cse6 (= (select |#length| |main_#t~malloc14.base|) main_~length2~0)) (.cse7 (= (select |#length| |main_#t~malloc13.base|) main_~length1~0)) (.cse8 (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base))))) (.cse9 (= 0 |main_#t~malloc13.offset|)) (.cse10 (= 0 (select |old(#valid)| |main_#t~malloc13.base|))) (.cse11 (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0)))) (.cse12 (= 1 (select |#valid| main_~nondetString2~0.base)))) (or (and (= main_~nondetString2~0.offset 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |main_#t~malloc13.base| main_~nondetString1~0.base)) (and .cse1 .cse2 .cse3 .cse4 .cse5 (= 1 main_~length2~0) .cse6 (= .cse13 main_~length1~0) .cse7 .cse8 (not (= |main_#t~malloc14.base| main_~nondetString1~0.base)) (= 1 (select |#valid| main_~nondetString1~0.base)) .cse9 .cse10 .cse11 .cse12 (<= 0 main_~nondetString2~0.offset))))) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse0 (- 1)))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse13 (- 1)))))) [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 562) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point L553''(line 553) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-09 19:54:30,274 INFO L416 ceAbstractionStarter]: For program point L554''(lines 551 565) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L560'(line 560) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 563) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 551 565) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L554(lines 554 556) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 551 565) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 551 565) no Hoare annotation was computed. [2018-04-09 19:54:30,275 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 551 565) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-09 19:54:30,276 INFO L416 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-04-09 19:54:30,276 INFO L416 ceAbstractionStarter]: For program point L564''(line 564) no Hoare annotation was computed. [2018-04-09 19:54:30,276 INFO L416 ceAbstractionStarter]: For program point L560''(line 560) no Hoare annotation was computed. [2018-04-09 19:54:30,276 INFO L416 ceAbstractionStarter]: For program point L561'''(line 561) no Hoare annotation was computed. [2018-04-09 19:54:30,276 INFO L416 ceAbstractionStarter]: For program point L557'(lines 557 559) no Hoare annotation was computed. [2018-04-09 19:54:30,284 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,285 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,286 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:54:30,286 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,286 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,286 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,287 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,287 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,287 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,287 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,288 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,288 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,288 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,289 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,289 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,289 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,289 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,289 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,289 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,290 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,291 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,291 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,291 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,291 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,292 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,292 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,292 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,292 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,292 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,292 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,293 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,293 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,293 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,293 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,293 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,293 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,293 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,294 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,294 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,300 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,301 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,301 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:54:30,301 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,301 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,302 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,302 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,302 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,302 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,302 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,303 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,303 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,303 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,304 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,304 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,304 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,304 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,304 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,305 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,305 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,305 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,305 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,305 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,306 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,307 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,308 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,308 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,308 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,308 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,308 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,309 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,309 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.04 07:54:30 BoogieIcfgContainer [2018-04-09 19:54:30,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-09 19:54:30,313 INFO L168 Benchmark]: Toolchain (without parser) took 38877.18 ms. Allocated memory was 298.8 MB in the beginning and 645.4 MB in the end (delta: 346.6 MB). Free memory was 235.8 MB in the beginning and 451.7 MB in the end (delta: -215.9 MB). Peak memory consumption was 266.4 MB. Max. memory is 5.3 GB. [2018-04-09 19:54:30,314 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 298.8 MB. Free memory is still 261.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 19:54:30,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.48 ms. Allocated memory is still 298.8 MB. Free memory was 235.8 MB in the beginning and 211.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-09 19:54:30,315 INFO L168 Benchmark]: Boogie Preprocessor took 51.43 ms. Allocated memory is still 298.8 MB. Free memory was 211.8 MB in the beginning and 208.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-09 19:54:30,315 INFO L168 Benchmark]: RCFGBuilder took 558.27 ms. Allocated memory was 298.8 MB in the beginning and 456.1 MB in the end (delta: 157.3 MB). Free memory was 208.9 MB in the beginning and 389.4 MB in the end (delta: -180.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. [2018-04-09 19:54:30,315 INFO L168 Benchmark]: TraceAbstraction took 37917.98 ms. Allocated memory was 456.1 MB in the beginning and 645.4 MB in the end (delta: 189.3 MB). Free memory was 389.4 MB in the beginning and 451.7 MB in the end (delta: -62.3 MB). Peak memory consumption was 262.7 MB. Max. memory is 5.3 GB. [2018-04-09 19:54:30,317 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 298.8 MB. Free memory is still 261.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 344.48 ms. Allocated memory is still 298.8 MB. Free memory was 235.8 MB in the beginning and 211.8 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 51.43 ms. Allocated memory is still 298.8 MB. Free memory was 211.8 MB in the beginning and 208.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 558.27 ms. Allocated memory was 298.8 MB in the beginning and 456.1 MB in the end (delta: 157.3 MB). Free memory was 208.9 MB in the beginning and 389.4 MB in the end (delta: -180.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 37917.98 ms. Allocated memory was 456.1 MB in the beginning and 645.4 MB in the end (delta: 189.3 MB). Free memory was 389.4 MB in the beginning and 451.7 MB in the end (delta: -62.3 MB). Peak memory consumption was 262.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant [2018-04-09 19:54:30,324 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,324 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,324 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:54:30,324 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,325 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,325 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,325 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,325 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,325 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,326 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,326 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,326 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,326 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,327 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,327 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,327 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,327 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,327 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,328 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,328 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,328 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,328 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,328 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,329 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,329 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,329 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,329 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,329 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,330 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,330 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,330 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,330 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,330 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,331 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,331 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,331 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,331 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,331 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,332 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,334 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,335 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,335 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-09 19:54:30,335 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-09 19:54:30,335 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,335 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,336 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,336 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,336 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,336 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,337 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,337 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,337 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,337 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-09 19:54:30,337 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,337 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-09 19:54:30,337 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,338 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,338 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,338 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-09 19:54:30,338 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,338 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,338 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,338 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,339 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,339 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,339 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,339 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,339 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,339 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-09 19:54:30,340 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((((unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0 && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1]) && 1 <= s1) && (((1 == \valid[s1] && s1 + 1 <= unknown-#length-unknown[s1]) && \valid[s2] == 1) && s2 + 1 <= unknown-#length-unknown[s2]) && 1 <= s2) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1])) || (((((1 == \valid[s1] && s2 == s2) && (\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((unknown-#memory_int-unknown[s1][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] == 0 && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s1]) && 1 <= main_~length1~0) && s1 <= v_main_~nondetString1~0.offset_BEFORE_CALL_2)) && s2 == s2) && 0 <= s1) && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || !(0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || !(unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0)) || (((((s2 < 0 || !(\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((0 == unknown-#memory_int-unknown[s1][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] && s1 <= v_main_~nondetString1~0.offset_BEFORE_CALL_2) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s1]) && 1 <= main_~length1~0)) || !(\valid[s1] == 1)) || !(\exists v_main_#t~malloc14.base_BEFORE_CALL_7 : int, v_main_#t~malloc13.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc14.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc14.base_BEFORE_CALL_7 == v_main_#t~malloc13.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || s1 < 0) || unknown-#length-unknown[s2] < s2 + 1) || !(1 == \valid[s2]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 98 locations, 15 error locations. SAFE Result, 37.8s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 13.1s AutomataDifference, 0.0s DeadEndRemovalTime, 14.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1493 SDtfs, 2897 SDslu, 6633 SDs, 0 SdLazy, 4547 SolverSat, 249 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1810 GetRequests, 1404 SyntacticMatches, 20 SemanticMatches, 386 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2616 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 406 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 476 HoareAnnotationTreeSize, 7 FomulaSimplifications, 113 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4086 FormulaSimplificationTreeSizeReductionInter, 14.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 829 NumberOfCodeBlocks, 829 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1618 ConstructedInterpolants, 313 QuantifiedInterpolants, 889552 SizeOfPredicates, 172 NumberOfNonLiveVariables, 2463 ConjunctsInSsa, 325 ConjunctsInUnsatCore, 40 InterpolantComputations, 32 PerfectInterpolantSequences, 28/140 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-09_19-54-30-345.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-09_19-54-30-345.csv Received shutdown request...