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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 10:16:27,994 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 10:16:27,995 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 10:16:28,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 10:16:28,009 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 10:16:28,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 10:16:28,010 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 10:16:28,012 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 10:16:28,014 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 10:16:28,014 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 10:16:28,015 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 10:16:28,015 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 10:16:28,016 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 10:16:28,017 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 10:16:28,018 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 10:16:28,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 10:16:28,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 10:16:28,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 10:16:28,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 10:16:28,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 10:16:28,026 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-12 10:16:28,031 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-12 10:16:28,040 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 10:16:28,041 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 10:16:28,042 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 10:16:28,042 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 10:16:28,042 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 10:16:28,042 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 10:16:28,043 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 10:16:28,043 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 10:16:28,043 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 10:16:28,043 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 10:16:28,043 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 10:16:28,043 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 10:16:28,043 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 10:16:28,044 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 10:16:28,044 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 10:16:28,044 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 10:16:28,044 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 10:16:28,044 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 10:16:28,044 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 10:16:28,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 10:16:28,045 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 10:16:28,045 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 10:16:28,045 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 10:16:28,045 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 10:16:28,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 10:16:28,085 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 10:16:28,090 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 10:16:28,091 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 10:16:28,092 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 10:16:28,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,463 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG43f8785f3 [2018-04-12 10:16:28,570 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 10:16:28,570 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 10:16:28,571 INFO L168 CDTParser]: Scanning cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,578 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 10:16:28,579 INFO L215 ultiparseSymbolTable]: [2018-04-12 10:16:28,579 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 10:16:28,579 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,579 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,579 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,579 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,579 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 10:16:28,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__register_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,579 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_short in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,580 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_short in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,581 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__key_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____key_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,582 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__id_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,583 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ushort in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____time_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__uint in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_int in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,584 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__time_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_long in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__ulong in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_long in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,585 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____off_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____id_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,586 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__div_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_char in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,587 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,588 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__size_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__u_char in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,589 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i__off_t in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:28,602 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG43f8785f3 [2018-04-12 10:16:28,605 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 10:16:28,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 10:16:28,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 10:16:28,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 10:16:28,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 10:16:28,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a77ade1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28, skipping insertion in model container [2018-04-12 10:16:28,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,628 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:16:28,649 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 10:16:28,766 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:16:28,795 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 10:16:28,801 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-12 10:16:28,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28 WrapperNode [2018-04-12 10:16:28,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 10:16:28,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 10:16:28,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 10:16:28,835 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 10:16:28,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... [2018-04-12 10:16:28,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 10:16:28,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 10:16:28,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 10:16:28,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 10:16:28,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-04-12 10:16:28,909 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 10:16:28,909 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 10:16:28,910 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:16:28,910 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:16:28,910 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-04-12 10:16:28,910 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 10:16:28,910 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-12 10:16:28,910 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-12 10:16:28,910 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 10:16:28,910 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 10:16:28,911 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 10:16:28,912 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 10:16:28,913 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 10:16:28,914 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 10:16:28,915 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 10:16:28,916 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 10:16:28,917 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 10:16:28,918 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 10:16:28,919 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 10:16:28,920 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 10:16:28,921 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 10:16:28,922 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 10:16:28,922 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 10:16:29,222 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 10:16:29,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:16:29 BoogieIcfgContainer [2018-04-12 10:16:29,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 10:16:29,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 10:16:29,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 10:16:29,225 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 10:16:29,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 10:16:28" (1/3) ... [2018-04-12 10:16:29,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251be57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:16:29, skipping insertion in model container [2018-04-12 10:16:29,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 10:16:28" (2/3) ... [2018-04-12 10:16:29,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251be57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 10:16:29, skipping insertion in model container [2018-04-12 10:16:29,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 10:16:29" (3/3) ... [2018-04-12 10:16:29,227 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-12 10:16:29,232 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 10:16:29,237 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-12 10:16:29,260 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 10:16:29,260 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 10:16:29,260 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 10:16:29,260 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 10:16:29,260 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 10:16:29,260 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 10:16:29,260 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 10:16:29,260 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 10:16:29,260 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 10:16:29,261 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 10:16:29,268 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-04-12 10:16:29,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:16:29,274 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:29,274 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:16:29,275 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:29,277 INFO L82 PathProgramCache]: Analyzing trace with hash 690496073, now seen corresponding path program 1 times [2018-04-12 10:16:29,278 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:29,278 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:29,306 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:29,306 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:29,335 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:29,374 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:16:29,374 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:16:29,375 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:16:29,383 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:16:29,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:16:29,385 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2018-04-12 10:16:29,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:16:29,433 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-04-12 10:16:29,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 10:16:29,435 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-12 10:16:29,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:16:29,440 INFO L225 Difference]: With dead ends: 40 [2018-04-12 10:16:29,440 INFO L226 Difference]: Without dead ends: 37 [2018-04-12 10:16:29,441 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:16:29,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-12 10:16:29,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-12 10:16:29,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 10:16:29,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-04-12 10:16:29,462 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 10 [2018-04-12 10:16:29,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:16:29,462 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-04-12 10:16:29,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:16:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-04-12 10:16:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-12 10:16:29,462 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:29,462 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:16:29,462 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:29,462 INFO L82 PathProgramCache]: Analyzing trace with hash 690496074, now seen corresponding path program 1 times [2018-04-12 10:16:29,463 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:29,463 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:29,463 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:29,463 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:29,471 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:29,502 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:16:29,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:16:29,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:16:29,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:16:29,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:16:29,503 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 5 states. [2018-04-12 10:16:29,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:16:29,553 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2018-04-12 10:16:29,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 10:16:29,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-12 10:16:29,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:16:29,554 INFO L225 Difference]: With dead ends: 36 [2018-04-12 10:16:29,554 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 10:16:29,554 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:16:29,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 10:16:29,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 10:16:29,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 10:16:29,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2018-04-12 10:16:29,557 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 10 [2018-04-12 10:16:29,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:16:29,557 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2018-04-12 10:16:29,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:16:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2018-04-12 10:16:29,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 10:16:29,557 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:29,557 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:16:29,557 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:29,557 INFO L82 PathProgramCache]: Analyzing trace with hash -761295665, now seen corresponding path program 1 times [2018-04-12 10:16:29,557 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:29,557 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:29,558 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:29,558 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:29,566 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:29,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:29,584 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:16:29,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 10:16:29,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 10:16:29,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 10:16:29,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:16:29,585 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 5 states. [2018-04-12 10:16:29,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:16:29,635 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-12 10:16:29,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:16:29,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-12 10:16:29,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:16:29,636 INFO L225 Difference]: With dead ends: 33 [2018-04-12 10:16:29,636 INFO L226 Difference]: Without dead ends: 33 [2018-04-12 10:16:29,636 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 10:16:29,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-12 10:16:29,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-12 10:16:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-12 10:16:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-04-12 10:16:29,640 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 15 [2018-04-12 10:16:29,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:16:29,640 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-04-12 10:16:29,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 10:16:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-04-12 10:16:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 10:16:29,641 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:29,641 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:16:29,641 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash -761295664, now seen corresponding path program 1 times [2018-04-12 10:16:29,641 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:29,641 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:29,642 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:29,642 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:29,651 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:29,721 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:16:29,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-12 10:16:29,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 10:16:29,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 10:16:29,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-12 10:16:29,722 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 8 states. [2018-04-12 10:16:29,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:16:29,793 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2018-04-12 10:16:29,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 10:16:29,793 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-12 10:16:29,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:16:29,795 INFO L225 Difference]: With dead ends: 45 [2018-04-12 10:16:29,795 INFO L226 Difference]: Without dead ends: 45 [2018-04-12 10:16:29,796 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-12 10:16:29,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-12 10:16:29,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2018-04-12 10:16:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 10:16:29,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-04-12 10:16:29,798 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 15 [2018-04-12 10:16:29,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:16:29,798 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2018-04-12 10:16:29,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 10:16:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2018-04-12 10:16:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 10:16:29,799 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:29,799 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:16:29,799 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:29,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1061527749, now seen corresponding path program 1 times [2018-04-12 10:16:29,799 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:29,799 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:29,800 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:29,800 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:29,809 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:29,828 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:16:29,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:16:29,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 10:16:29,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 10:16:29,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:16:29,829 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 3 states. [2018-04-12 10:16:29,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:16:29,837 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2018-04-12 10:16:29,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 10:16:29,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-04-12 10:16:29,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:16:29,838 INFO L225 Difference]: With dead ends: 43 [2018-04-12 10:16:29,838 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 10:16:29,839 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 10:16:29,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 10:16:29,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-12 10:16:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 10:16:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-12 10:16:29,842 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 20 [2018-04-12 10:16:29,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:16:29,843 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-12 10:16:29,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 10:16:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-12 10:16:29,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 10:16:29,843 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:29,843 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] [2018-04-12 10:16:29,844 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:29,844 INFO L82 PathProgramCache]: Analyzing trace with hash 2039357000, now seen corresponding path program 1 times [2018-04-12 10:16:29,844 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:29,844 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:29,845 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:29,845 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:29,862 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:29,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:29,998 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:16:29,998 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:16:30,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:30,027 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:16:30,054 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 [2018-04-12 10:16:30,056 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 [2018-04-12 10:16:30,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:16:30,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:16:30,061 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. [2018-04-12 10:16:30,061 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-12 10:16:30,135 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 18 treesize of output 14 [2018-04-12 10:16:30,172 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 [2018-04-12 10:16:30,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:16:30,175 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:16:30,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:16:30,189 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:33 [2018-04-12 10:16:30,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:30,300 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:16:30,300 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 17 [2018-04-12 10:16:30,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 10:16:30,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 10:16:30,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2018-04-12 10:16:30,301 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 18 states. [2018-04-12 10:16:30,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:16:30,951 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2018-04-12 10:16:30,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 10:16:30,952 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 22 [2018-04-12 10:16:30,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:16:30,952 INFO L225 Difference]: With dead ends: 65 [2018-04-12 10:16:30,952 INFO L226 Difference]: Without dead ends: 65 [2018-04-12 10:16:30,953 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=128, Invalid=628, Unknown=0, NotChecked=0, Total=756 [2018-04-12 10:16:30,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-12 10:16:30,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 50. [2018-04-12 10:16:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 10:16:30,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-04-12 10:16:30,956 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 22 [2018-04-12 10:16:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:16:30,956 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2018-04-12 10:16:30,956 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 10:16:30,957 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-04-12 10:16:30,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 10:16:30,957 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:30,957 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] [2018-04-12 10:16:30,958 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:30,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1304784958, now seen corresponding path program 1 times [2018-04-12 10:16:30,958 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:30,958 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:30,959 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:30,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:30,959 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:30,973 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:31,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:31,003 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 10:16:31,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 10:16:31,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 10:16:31,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 10:16:31,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 10:16:31,003 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 4 states. [2018-04-12 10:16:31,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:16:31,032 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2018-04-12 10:16:31,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 10:16:31,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-04-12 10:16:31,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:16:31,033 INFO L225 Difference]: With dead ends: 49 [2018-04-12 10:16:31,033 INFO L226 Difference]: Without dead ends: 39 [2018-04-12 10:16:31,033 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 10:16:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-12 10:16:31,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-12 10:16:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-12 10:16:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-04-12 10:16:31,036 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 27 [2018-04-12 10:16:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:16:31,036 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-04-12 10:16:31,036 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 10:16:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-04-12 10:16:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 10:16:31,037 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:16:31,037 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:16:31,037 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:16:31,037 INFO L82 PathProgramCache]: Analyzing trace with hash 114783696, now seen corresponding path program 2 times [2018-04-12 10:16:31,037 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:16:31,037 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:16:31,038 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:31,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 10:16:31,038 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:16:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:16:31,054 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:16:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:31,247 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:16:31,247 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:16:31,252 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-12 10:16:31,263 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-12 10:16:31,263 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:16:31,265 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:16:31,294 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 [2018-04-12 10:16:31,295 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 [2018-04-12 10:16:31,295 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:16:31,296 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:16:31,300 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. [2018-04-12 10:16:31,300 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-12 10:16:32,019 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 22 [2018-04-12 10:16:32,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-12 10:16:32,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 31 [2018-04-12 10:16:32,026 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:16:32,033 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:16:32,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:16:32,042 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:43, output treesize:43 [2018-04-12 10:16:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:16:32,121 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:16:32,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15] total 23 [2018-04-12 10:16:32,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 10:16:32,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 10:16:32,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=495, Unknown=1, NotChecked=0, Total=552 [2018-04-12 10:16:32,122 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 24 states. [2018-04-12 10:16:32,604 WARN L151 SmtUtils]: Spent 314ms on a formula simplification. DAG size of input: 45 DAG size of output 43 [2018-04-12 10:16:32,834 WARN L151 SmtUtils]: Spent 202ms on a formula simplification. DAG size of input: 48 DAG size of output 46 [2018-04-12 10:16:32,997 WARN L151 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 55 DAG size of output 53 [2018-04-12 10:16:33,283 WARN L151 SmtUtils]: Spent 265ms on a formula simplification. DAG size of input: 55 DAG size of output 45 [2018-04-12 10:16:33,712 WARN L151 SmtUtils]: Spent 406ms on a formula simplification. DAG size of input: 50 DAG size of output 43 [2018-04-12 10:16:37,542 WARN L151 SmtUtils]: Spent 3789ms on a formula simplification. DAG size of input: 63 DAG size of output 56 [2018-04-12 10:16:40,766 WARN L151 SmtUtils]: Spent 3198ms on a formula simplification. DAG size of input: 69 DAG size of output 59 [2018-04-12 10:16:42,080 WARN L151 SmtUtils]: Spent 1291ms on a formula simplification. DAG size of input: 80 DAG size of output 66 [2018-04-12 10:16:43,453 WARN L151 SmtUtils]: Spent 1353ms on a formula simplification. DAG size of input: 65 DAG size of output 57 [2018-04-12 10:16:49,661 WARN L151 SmtUtils]: Spent 6180ms on a formula simplification. DAG size of input: 60 DAG size of output 55 [2018-04-12 10:17:13,103 WARN L151 SmtUtils]: Spent 239ms on a formula simplification. DAG size of input: 34 DAG size of output 33 [2018-04-12 10:17:13,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:13,181 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-04-12 10:17:13,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 10:17:13,182 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 29 [2018-04-12 10:17:13,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:13,182 INFO L225 Difference]: With dead ends: 58 [2018-04-12 10:17:13,182 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 10:17:13,183 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 27.0s TimeCoverageRelationStatistics Valid=272, Invalid=1612, Unknown=8, NotChecked=0, Total=1892 [2018-04-12 10:17:13,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 10:17:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 10:17:13,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 10:17:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-12 10:17:13,185 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 29 [2018-04-12 10:17:13,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:13,185 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-12 10:17:13,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 10:17:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-12 10:17:13,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-12 10:17:13,186 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 10:17:13,186 INFO L355 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 10:17:13,186 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 10:17:13,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1031561520, now seen corresponding path program 3 times [2018-04-12 10:17:13,186 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 10:17:13,186 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 10:17:13,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:13,187 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-12 10:17:13,187 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 10:17:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 10:17:13,201 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 10:17:13,352 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 10:17:13,353 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 10:17:13,353 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 10:17:13,358 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-12 10:17:13,379 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-12 10:17:13,379 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-12 10:17:13,381 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 10:17:13,384 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 [2018-04-12 10:17:13,384 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:13,387 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:13,387 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-12 10:17:13,419 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 16 treesize of output 13 [2018-04-12 10:17:13,421 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 [2018-04-12 10:17:13,421 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-12 10:17:13,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-12 10:17:13,426 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. [2018-04-12 10:17:13,426 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:19 [2018-04-12 10:17:13,572 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 20 treesize of output 16 [2018-04-12 10:17:13,580 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 16 treesize of output 13 [2018-04-12 10:17:13,580 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-12 10:17:13,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:13,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-12 10:17:13,593 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:39 [2018-04-12 10:17:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-04-12 10:17:13,723 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 10:17:13,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10] total 22 [2018-04-12 10:17:13,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 10:17:13,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 10:17:13,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2018-04-12 10:17:13,725 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 23 states. [2018-04-12 10:17:14,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 10:17:14,601 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-12 10:17:14,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-12 10:17:14,601 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 43 [2018-04-12 10:17:14,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 10:17:14,601 INFO L225 Difference]: With dead ends: 51 [2018-04-12 10:17:14,601 INFO L226 Difference]: Without dead ends: 0 [2018-04-12 10:17:14,602 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=369, Invalid=1611, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 10:17:14,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-12 10:17:14,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-12 10:17:14,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-12 10:17:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-12 10:17:14,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-04-12 10:17:14,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 10:17:14,603 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-12 10:17:14,603 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 10:17:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-12 10:17:14,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-12 10:17:14,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 10:17:14 BoogieIcfgContainer [2018-04-12 10:17:14,606 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 10:17:14,607 INFO L168 Benchmark]: Toolchain (without parser) took 46001.57 ms. Allocated memory was 396.4 MB in the beginning and 708.3 MB in the end (delta: 312.0 MB). Free memory was 333.3 MB in the beginning and 521.1 MB in the end (delta: -187.8 MB). Peak memory consumption was 124.2 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:14,608 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 396.4 MB. Free memory is still 359.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 10:17:14,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.75 ms. Allocated memory is still 396.4 MB. Free memory was 333.3 MB in the beginning and 309.3 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:14,608 INFO L168 Benchmark]: Boogie Preprocessor took 38.49 ms. Allocated memory is still 396.4 MB. Free memory was 309.3 MB in the beginning and 306.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:14,608 INFO L168 Benchmark]: RCFGBuilder took 348.86 ms. Allocated memory was 396.4 MB in the beginning and 597.7 MB in the end (delta: 201.3 MB). Free memory was 306.7 MB in the beginning and 541.6 MB in the end (delta: -234.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:14,609 INFO L168 Benchmark]: TraceAbstraction took 45383.07 ms. Allocated memory was 597.7 MB in the beginning and 708.3 MB in the end (delta: 110.6 MB). Free memory was 541.6 MB in the beginning and 521.1 MB in the end (delta: 20.6 MB). Peak memory consumption was 131.2 MB. Max. memory is 5.3 GB. [2018-04-12 10:17:14,610 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 396.4 MB. Free memory is still 359.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 228.75 ms. Allocated memory is still 396.4 MB. Free memory was 333.3 MB in the beginning and 309.3 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 38.49 ms. Allocated memory is still 396.4 MB. Free memory was 309.3 MB in the beginning and 306.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 348.86 ms. Allocated memory was 396.4 MB in the beginning and 597.7 MB in the end (delta: 201.3 MB). Free memory was 306.7 MB in the beginning and 541.6 MB in the end (delta: -234.9 MB). Peak memory consumption was 30.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 45383.07 ms. Allocated memory was 597.7 MB in the beginning and 708.3 MB in the end (delta: 110.6 MB). Free memory was 541.6 MB in the beginning and 521.1 MB in the end (delta: 20.6 MB). Peak memory consumption was 131.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 542]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 47 locations, 9 error locations. SAFE Result, 45.3s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 42.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 251 SDtfs, 603 SDslu, 873 SDs, 0 SdLazy, 1142 SolverSat, 95 SolverUnsat, 11 SolverUnknown, 0 SolverNotchecked, 15.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 212 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 28.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=8, 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: 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 19 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 285 NumberOfCodeBlocks, 285 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 273 ConstructedInterpolants, 43 QuantifiedInterpolants, 90200 SizeOfPredicates, 23 NumberOfNonLiveVariables, 345 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 12 InterpolantComputations, 6 PerfectInterpolantSequences, 36/128 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_10-17-14-616.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrchr-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_10-17-14-616.csv Received shutdown request...