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_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrchr-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 12:50:44,588 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 12:50:44,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 12:50:44,602 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 12:50:44,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 12:50:44,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 12:50:44,603 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 12:50:44,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 12:50:44,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 12:50:44,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 12:50:44,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 12:50:44,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 12:50:44,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 12:50:44,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 12:50:44,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 12:50:44,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 12:50:44,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 12:50:44,613 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 12:50:44,614 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 12:50:44,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 12:50:44,616 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 12:50:44,621 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-11 12:50:44,642 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 12:50:44,642 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 12:50:44,643 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 12:50:44,643 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 12:50:44,643 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 12:50:44,643 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 12:50:44,643 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 12:50:44,644 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 12:50:44,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 12:50:44,645 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 12:50:44,645 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 12:50:44,645 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 12:50:44,645 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 12:50:44,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 12:50:44,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 12:50:44,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 12:50:44,684 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 12:50:44,687 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 12:50:44,689 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 12:50:44,689 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 12:50:44,690 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 [2018-04-11 12:50:44,981 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6c427ff65 [2018-04-11 12:50:45,124 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 12:50:45,125 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 12:50:45,125 INFO L168 CDTParser]: Scanning cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:50:45,133 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 12:50:45,134 INFO L215 ultiparseSymbolTable]: [2018-04-11 12:50:45,134 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 12:50:45,134 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:50:45,134 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 [2018-04-11 12:50:45,134 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 [2018-04-11 12:50:45,134 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 [2018-04-11 12:50:45,134 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 12:50:45,134 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,135 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,136 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,137 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,138 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,139 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,140 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,141 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,142 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,143 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,144 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 [2018-04-11 12:50:45,145 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 [2018-04-11 12:50:45,145 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 [2018-04-11 12:50:45,145 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 [2018-04-11 12:50:45,145 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 [2018-04-11 12:50:45,145 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 [2018-04-11 12:50:45,158 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6c427ff65 [2018-04-11 12:50:45,161 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 12:50:45,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 12:50:45,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 12:50:45,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 12:50:45,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 12:50:45,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47bd9d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45, skipping insertion in model container [2018-04-11 12:50:45,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,183 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:50:45,206 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 12:50:45,362 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:50:45,390 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 12:50:45,396 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 12:50:45,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45 WrapperNode [2018-04-11 12:50:45,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 12:50:45,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 12:50:45,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 12:50:45,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 12:50:45,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (1/1) ... [2018-04-11 12:50:45,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 12:50:45,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 12:50:45,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 12:50:45,464 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 12:50:45,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (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 [2018-04-11 12:50:45,550 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 12:50:45,551 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 12:50:45,551 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:50:45,551 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:50:45,551 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-04-11 12:50:45,551 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrchr_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 12:50:45,551 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 12:50:45,552 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 12:50:45,553 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 12:50:45,553 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 12:50:45,553 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 12:50:45,553 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 12:50:45,553 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 12:50:45,553 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 12:50:45,553 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 12:50:45,554 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 12:50:45,555 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 12:50:45,556 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 12:50:45,557 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 12:50:45,558 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 12:50:45,559 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 12:50:45,560 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 12:50:45,561 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure cstrchr [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 12:50:45,562 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 12:50:45,563 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 12:50:45,563 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 12:50:45,563 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 12:50:45,563 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 12:50:45,825 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 12:50:45,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:50:45 BoogieIcfgContainer [2018-04-11 12:50:45,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 12:50:45,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 12:50:45,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 12:50:45,828 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 12:50:45,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 12:50:45" (1/3) ... [2018-04-11 12:50:45,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46afdd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:50:45, skipping insertion in model container [2018-04-11 12:50:45,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 12:50:45" (2/3) ... [2018-04-11 12:50:45,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46afdd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 12:50:45, skipping insertion in model container [2018-04-11 12:50:45,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 12:50:45" (3/3) ... [2018-04-11 12:50:45,831 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrchr-alloca_true-valid-memsafety_true-termination.i [2018-04-11 12:50:45,836 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 12:50:45,841 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 12:50:45,866 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 12:50:45,867 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 12:50:45,867 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 12:50:45,867 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-11 12:50:45,867 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 12:50:45,867 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 12:50:45,867 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 12:50:45,867 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 12:50:45,867 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 12:50:45,868 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 12:50:45,876 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-04-11 12:50:45,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 12:50:45,884 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:45,884 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:50:45,884 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:45,887 INFO L82 PathProgramCache]: Analyzing trace with hash 690496073, now seen corresponding path program 1 times [2018-04-11 12:50:45,919 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:45,953 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:45,997 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:50:45,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:50:45,998 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:45,998 INFO L182 omatonBuilderFactory]: Interpolants [44#true, 45#false, 46#(= 1 (select |#valid| |main_#t~malloc9.base|)), 47#(= 1 (select |#valid| main_~nondetString~0.base))] [2018-04-11 12:50:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:45,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:50:46,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:50:46,010 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:50:46,011 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2018-04-11 12:50:46,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:46,066 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2018-04-11 12:50:46,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 12:50:46,067 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-04-11 12:50:46,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:46,073 INFO L225 Difference]: With dead ends: 40 [2018-04-11 12:50:46,073 INFO L226 Difference]: Without dead ends: 37 [2018-04-11 12:50:46,074 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 [2018-04-11 12:50:46,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-11 12:50:46,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-11 12:50:46,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-11 12:50:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2018-04-11 12:50:46,096 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 10 [2018-04-11 12:50:46,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:46,096 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2018-04-11 12:50:46,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:50:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2018-04-11 12:50:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-11 12:50:46,096 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:46,096 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:50:46,096 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:46,097 INFO L82 PathProgramCache]: Analyzing trace with hash 690496074, now seen corresponding path program 1 times [2018-04-11 12:50:46,097 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:46,105 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,145 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:50:46,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:50:46,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,146 INFO L182 omatonBuilderFactory]: Interpolants [128#false, 129#(<= 1 main_~length~0), 130#(and (= 0 |main_#t~malloc9.offset|) (= main_~length~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length~0)), 131#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0)), 127#true] [2018-04-11 12:50:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 12:50:46,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 12:50:46,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:50:46,148 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand 5 states. [2018-04-11 12:50:46,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:46,197 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2018-04-11 12:50:46,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 12:50:46,198 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2018-04-11 12:50:46,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:46,198 INFO L225 Difference]: With dead ends: 36 [2018-04-11 12:50:46,198 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 12:50:46,199 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 [2018-04-11 12:50:46,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 12:50:46,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 12:50:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 12:50:46,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2018-04-11 12:50:46,203 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 10 [2018-04-11 12:50:46,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:46,204 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2018-04-11 12:50:46,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 12:50:46,204 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2018-04-11 12:50:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 12:50:46,205 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:46,205 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:50:46,205 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:46,205 INFO L82 PathProgramCache]: Analyzing trace with hash -761295665, now seen corresponding path program 1 times [2018-04-11 12:50:46,206 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:46,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:46,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,263 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:50:46,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 12:50:46,264 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,264 INFO L182 omatonBuilderFactory]: Interpolants [208#(= 1 (select |#valid| main_~nondetString~0.base)), 209#(= 1 (select |#valid| |cstrchr_#in~s.base|)), 210#(= 1 (select |#valid| cstrchr_~s.base)), 206#true, 207#false] [2018-04-11 12:50:46,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 12:50:46,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 12:50:46,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 12:50:46,265 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 5 states. [2018-04-11 12:50:46,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:46,307 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2018-04-11 12:50:46,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 12:50:46,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 12:50:46,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:46,307 INFO L225 Difference]: With dead ends: 33 [2018-04-11 12:50:46,307 INFO L226 Difference]: Without dead ends: 33 [2018-04-11 12:50:46,308 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 [2018-04-11 12:50:46,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-11 12:50:46,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-11 12:50:46,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-11 12:50:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-04-11 12:50:46,310 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 15 [2018-04-11 12:50:46,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:46,310 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-04-11 12:50:46,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 12:50:46,310 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-04-11 12:50:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 12:50:46,310 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:46,310 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:50:46,310 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:46,310 INFO L82 PathProgramCache]: Analyzing trace with hash -761295664, now seen corresponding path program 1 times [2018-04-11 12:50:46,311 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:46,319 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,373 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:50:46,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 12:50:46,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,373 INFO L182 omatonBuilderFactory]: Interpolants [279#true, 280#false, 281#(<= 1 main_~length~0), 282#(and (= 0 |main_#t~malloc9.offset|) (= main_~length~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length~0)), 283#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset) (<= 1 main_~length~0)), 284#(and (<= 1 (select |#length| main_~nondetString~0.base)) (= 0 main_~nondetString~0.offset)), 285#(and (= 0 |cstrchr_#in~s.offset|) (<= 1 (select |#length| |cstrchr_#in~s.base|))), 286#(and (<= 1 (select |#length| cstrchr_~s.base)) (= cstrchr_~s.offset 0))] [2018-04-11 12:50:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 12:50:46,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 12:50:46,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 12:50:46,374 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 8 states. [2018-04-11 12:50:46,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:46,485 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2018-04-11 12:50:46,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 12:50:46,486 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-04-11 12:50:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:46,489 INFO L225 Difference]: With dead ends: 45 [2018-04-11 12:50:46,489 INFO L226 Difference]: Without dead ends: 45 [2018-04-11 12:50:46,489 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 [2018-04-11 12:50:46,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-11 12:50:46,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2018-04-11 12:50:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 12:50:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2018-04-11 12:50:46,493 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 15 [2018-04-11 12:50:46,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:46,493 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2018-04-11 12:50:46,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 12:50:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2018-04-11 12:50:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 12:50:46,494 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:46,494 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:50:46,494 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:46,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1061527749, now seen corresponding path program 1 times [2018-04-11 12:50:46,495 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:46,508 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,525 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:50:46,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:50:46,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,526 INFO L182 omatonBuilderFactory]: Interpolants [377#true, 378#false, 379#(not |cstrchr_#t~short4|)] [2018-04-11 12:50:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 12:50:46,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 12:50:46,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 12:50:46,526 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 3 states. [2018-04-11 12:50:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:46,536 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2018-04-11 12:50:46,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 12:50:46,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-04-11 12:50:46,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:46,537 INFO L225 Difference]: With dead ends: 43 [2018-04-11 12:50:46,537 INFO L226 Difference]: Without dead ends: 43 [2018-04-11 12:50:46,538 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 [2018-04-11 12:50:46,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-11 12:50:46,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-11 12:50:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 12:50:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2018-04-11 12:50:46,541 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 20 [2018-04-11 12:50:46,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:46,541 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2018-04-11 12:50:46,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 12:50:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2018-04-11 12:50:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 12:50:46,542 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:46,542 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] [2018-04-11 12:50:46,542 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:46,542 INFO L82 PathProgramCache]: Analyzing trace with hash 2039357000, now seen corresponding path program 1 times [2018-04-11 12:50:46,543 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:46,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,767 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:50:46,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 12:50:46,768 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,768 INFO L182 omatonBuilderFactory]: Interpolants [466#true, 467#false, 468#(<= 1 main_~length~0), 469#(and (= 0 |main_#t~malloc9.offset|) (= main_~length~0 (select |#length| |main_#t~malloc9.base|)) (<= 1 main_~length~0)), 470#(and (or (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= (+ main_~nondetString~0.offset main_~length~0) 1)) (= main_~nondetString~0.offset 0) (<= 1 main_~length~0)), 471#(and (or (<= 2 (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base))) (= 0 (select (select |#memory_int| main_~nondetString~0.base) main_~nondetString~0.offset))) (= main_~nondetString~0.offset 0)), 472#(and (or (= 0 (select (select |#memory_int| |cstrchr_#in~s.base|) |cstrchr_#in~s.offset|)) (<= 2 (select |#length| |cstrchr_#in~s.base|))) (= 0 |cstrchr_#in~s.offset|)), 473#(and (or (<= 2 (select |#length| cstrchr_~s.base)) (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset))) (= cstrchr_~s.offset 0)), 474#(and (or (<= 2 (select |#length| cstrchr_~s.base)) (and (= |cstrchr_#t~mem2| (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)) (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)))) (= cstrchr_~s.offset 0)), 475#(and (or (<= 2 (select |#length| cstrchr_~s.base)) (not |cstrchr_#t~short4|)) (= cstrchr_~s.offset 0)), 476#(and (<= 2 (select |#length| cstrchr_~s.base)) (= cstrchr_~s.offset 0)), 477#(and (<= 1 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 1) (select |#length| cstrchr_~s.base)))] [2018-04-11 12:50:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:46,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 12:50:46,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 12:50:46,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-11 12:50:46,769 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand 12 states. [2018-04-11 12:50:47,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:47,025 INFO L93 Difference]: Finished difference Result 65 states and 75 transitions. [2018-04-11 12:50:47,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 12:50:47,025 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-04-11 12:50:47,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:47,026 INFO L225 Difference]: With dead ends: 65 [2018-04-11 12:50:47,026 INFO L226 Difference]: Without dead ends: 65 [2018-04-11 12:50:47,026 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-04-11 12:50:47,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-11 12:50:47,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 50. [2018-04-11 12:50:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 12:50:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions. [2018-04-11 12:50:47,028 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 22 [2018-04-11 12:50:47,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:47,029 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 57 transitions. [2018-04-11 12:50:47,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 12:50:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-04-11 12:50:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 12:50:47,029 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:47,029 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] [2018-04-11 12:50:47,029 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:47,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1304784958, now seen corresponding path program 1 times [2018-04-11 12:50:47,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:47,041 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:47,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:47,077 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 12:50:47,077 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 12:50:47,077 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:47,078 INFO L182 omatonBuilderFactory]: Interpolants [609#true, 610#false, 611#(= |#valid| |old(#valid)|), 612#(= (store |#valid| |main_#t~malloc9.base| 0) |old(#valid)|)] [2018-04-11 12:50:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:47,078 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 12:50:47,078 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 12:50:47,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 12:50:47,078 INFO L87 Difference]: Start difference. First operand 50 states and 57 transitions. Second operand 4 states. [2018-04-11 12:50:47,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:47,119 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2018-04-11 12:50:47,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 12:50:47,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-04-11 12:50:47,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:47,119 INFO L225 Difference]: With dead ends: 49 [2018-04-11 12:50:47,119 INFO L226 Difference]: Without dead ends: 39 [2018-04-11 12:50:47,120 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 [2018-04-11 12:50:47,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-11 12:50:47,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-11 12:50:47,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-11 12:50:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-04-11 12:50:47,122 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 27 [2018-04-11 12:50:47,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:47,122 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-04-11 12:50:47,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 12:50:47,123 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-04-11 12:50:47,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 12:50:47,123 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:47,123 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] [2018-04-11 12:50:47,123 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:47,124 INFO L82 PathProgramCache]: Analyzing trace with hash 114783696, now seen corresponding path program 2 times [2018-04-11 12:50:47,124 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:47,142 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:47,416 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:50:47,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 12:50:47,416 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:47,416 INFO L182 omatonBuilderFactory]: Interpolants [704#false, 705#(and (= 0 |main_#t~malloc9.offset|) (= main_~length~0 (select |#length| |main_#t~malloc9.base|))), 706#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0)), 707#(and (or (<= (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)) 1) (= 0 (select (select |#memory_int| main_~nondetString~0.base) 1)) (<= 3 (+ main_~nondetString~0.offset (select |#length| main_~nondetString~0.base)))) (= main_~nondetString~0.offset 0)), 708#(and (or (<= (select |#length| |cstrchr_#in~s.base|) 1) (= 0 (select (select |#memory_int| |cstrchr_#in~s.base|) 1)) (<= 3 (select |#length| |cstrchr_#in~s.base|))) (= 0 |cstrchr_#in~s.offset|)), 709#(and (or (= 0 (select (select |#memory_int| cstrchr_~s.base) 1)) (<= (select |#length| cstrchr_~s.base) 1) (<= 3 (select |#length| cstrchr_~s.base))) (= cstrchr_~s.offset 0)), 710#(or (and (<= 1 cstrchr_~s.offset) (or (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base)) (<= (select |#length| cstrchr_~s.base) cstrchr_~s.offset))) (and (= 1 cstrchr_~s.offset) (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)))), 711#(or (and (= 1 cstrchr_~s.offset) (= |cstrchr_#t~mem2| (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)) (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset))) (and (<= 1 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base)))), 712#(or (and (<= 1 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base))) (and (= 1 cstrchr_~s.offset) (not |cstrchr_#t~short4|))), 713#(and (<= 1 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base))), 714#(and (<= (+ cstrchr_~s.offset 1) (select |#length| cstrchr_~s.base)) (<= 2 cstrchr_~s.offset)), 703#true] [2018-04-11 12:50:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:47,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 12:50:47,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 12:50:47,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-04-11 12:50:47,417 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 12 states. [2018-04-11 12:50:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:47,622 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2018-04-11 12:50:47,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 12:50:47,622 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-04-11 12:50:47,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:47,623 INFO L225 Difference]: With dead ends: 48 [2018-04-11 12:50:47,623 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 12:50:47,624 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2018-04-11 12:50:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 12:50:47,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-11 12:50:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 12:50:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2018-04-11 12:50:47,627 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 29 [2018-04-11 12:50:47,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:47,627 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2018-04-11 12:50:47,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 12:50:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-04-11 12:50:47,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 12:50:47,628 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 12:50:47,628 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 12:50:47,628 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrchrErr4RequiresViolation, cstrchrErr2RequiresViolation, cstrchrErr5RequiresViolation, cstrchrErr3RequiresViolation, cstrchrErr1RequiresViolation, cstrchrErr0RequiresViolation, mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 12:50:47,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1531843912, now seen corresponding path program 3 times [2018-04-11 12:50:47,629 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 12:50:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 12:50:47,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 12:50:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 12:50:47,800 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 12:50:47,800 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-11 12:50:47,800 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 12:50:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 12:50:47,801 INFO L182 omatonBuilderFactory]: Interpolants [832#(or (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)) (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base)) (<= (select |#length| cstrchr_~s.base) cstrchr_~s.offset)), 833#(or (and (<= 0 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base))) (and (= |cstrchr_#t~mem2| (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)) (= 0 (select (select |#memory_int| cstrchr_~s.base) cstrchr_~s.offset)))), 834#(or (and (<= 0 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base))) (not |cstrchr_#t~short4|)), 835#(and (<= 0 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 2) (select |#length| cstrchr_~s.base))), 836#(and (<= 1 cstrchr_~s.offset) (<= (+ cstrchr_~s.offset 1) (select |#length| cstrchr_~s.base))), 825#true, 826#false, 827#(and (= 0 |main_#t~malloc9.offset|) (= main_~length~0 (select |#length| |main_#t~malloc9.base|))), 828#(and (= main_~length~0 (select |#length| main_~nondetString~0.base)) (= main_~nondetString~0.offset 0)), 829#(and (= main_~nondetString~0.offset 0) (= 0 (select (select |#memory_int| main_~nondetString~0.base) (+ (select |#length| main_~nondetString~0.base) (+ main_~nondetString~0.offset (- 1)))))), 830#(= 0 (select (select |#memory_int| |cstrchr_#in~s.base|) (+ (select |#length| |cstrchr_#in~s.base|) (- 1)))), 831#(= 0 (select (select |#memory_int| cstrchr_~s.base) (+ (select |#length| cstrchr_~s.base) (- 1))))] [2018-04-11 12:50:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-11 12:50:47,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 12:50:47,801 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 12:50:47,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-11 12:50:47,801 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand 12 states. [2018-04-11 12:50:48,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 12:50:48,046 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-04-11 12:50:48,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 12:50:48,046 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 36 [2018-04-11 12:50:48,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 12:50:48,046 INFO L225 Difference]: With dead ends: 44 [2018-04-11 12:50:48,046 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 12:50:48,047 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2018-04-11 12:50:48,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 12:50:48,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 12:50:48,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 12:50:48,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 12:50:48,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-04-11 12:50:48,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 12:50:48,047 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 12:50:48,047 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 12:50:48,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 12:50:48,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 12:50:48,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 12:50:48 BoogieIcfgContainer [2018-04-11 12:50:48,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 12:50:48,051 INFO L168 Benchmark]: Toolchain (without parser) took 2890.00 ms. Allocated memory was 405.3 MB in the beginning and 623.4 MB in the end (delta: 218.1 MB). Free memory was 337.7 MB in the beginning and 569.4 MB in the end (delta: -231.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:50:48,052 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 405.3 MB. Free memory is still 364.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:50:48,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.61 ms. Allocated memory is still 405.3 MB. Free memory was 336.4 MB in the beginning and 313.9 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-04-11 12:50:48,052 INFO L168 Benchmark]: Boogie Preprocessor took 28.08 ms. Allocated memory is still 405.3 MB. Free memory was 313.9 MB in the beginning and 311.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 12:50:48,052 INFO L168 Benchmark]: RCFGBuilder took 362.43 ms. Allocated memory was 405.3 MB in the beginning and 597.7 MB in the end (delta: 192.4 MB). Free memory was 311.2 MB in the beginning and 535.4 MB in the end (delta: -224.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-04-11 12:50:48,053 INFO L168 Benchmark]: TraceAbstraction took 2224.26 ms. Allocated memory was 597.7 MB in the beginning and 623.4 MB in the end (delta: 25.7 MB). Free memory was 535.4 MB in the beginning and 569.4 MB in the end (delta: -34.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 12:50:48,054 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 405.3 MB. Free memory is still 364.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 272.61 ms. Allocated memory is still 405.3 MB. Free memory was 336.4 MB in the beginning and 313.9 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.08 ms. Allocated memory is still 405.3 MB. Free memory was 313.9 MB in the beginning and 311.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 362.43 ms. Allocated memory was 405.3 MB in the beginning and 597.7 MB in the end (delta: 192.4 MB). Free memory was 311.2 MB in the beginning and 535.4 MB in the end (delta: -224.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2224.26 ms. Allocated memory was 597.7 MB in the beginning and 623.4 MB in the end (delta: 25.7 MB). Free memory was 535.4 MB in the beginning and 569.4 MB in the end (delta: -34.0 MB). There was no memory consumed. 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, 2.1s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 252 SDtfs, 353 SDslu, 554 SDs, 0 SdLazy, 586 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 94 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 9/42 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, 0.8s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 32800 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 9/42 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_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_12-50-48-060.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_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_12-50-48-060.csv Received shutdown request...