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_z3.epf -i ../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 18:13:26,515 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 18:13:26,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 18:13:26,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 18:13:26,531 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 18:13:26,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 18:13:26,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 18:13:26,534 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 18:13:26,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 18:13:26,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 18:13:26,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 18:13:26,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 18:13:26,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 18:13:26,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 18:13:26,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 18:13:26,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 18:13:26,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 18:13:26,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 18:13:26,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 18:13:26,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 18:13:26,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 18:13:26,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 18:13:26,548 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 18:13:26,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 18:13:26,550 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 18:13:26,550 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 18:13:26,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 18:13:26,551 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 18:13:26,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 18:13:26,552 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 18:13:26,552 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 18:13:26,553 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-11 18:13:26,574 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 18:13:26,574 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 18:13:26,575 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 18:13:26,575 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 18:13:26,576 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 18:13:26,576 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 18:13:26,576 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 18:13:26,576 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 18:13:26,576 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 18:13:26,576 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 18:13:26,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 18:13:26,577 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 18:13:26,577 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 18:13:26,577 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 18:13:26,577 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 18:13:26,577 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 18:13:26,577 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 18:13:26,577 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 18:13:26,577 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 18:13:26,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 18:13:26,578 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 18:13:26,578 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-11 18:13:26,578 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-11 18:13:26,578 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 18:13:26,606 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 18:13:26,616 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 18:13:26,619 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 18:13:26,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 18:13:26,621 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 18:13:26,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/960521-1_false-valid-free.i [2018-04-11 18:13:27,165 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG31a081a93 [2018-04-11 18:13:27,296 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 18:13:27,296 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 18:13:27,296 INFO L168 CDTParser]: Scanning 960521-1_false-valid-free.i [2018-04-11 18:13:27,304 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 18:13:27,304 INFO L215 ultiparseSymbolTable]: [2018-04-11 18:13:27,305 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 18:13:27,305 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f_________false_valid_free_i__foo ('foo') in 960521-1_false-valid-free.i [2018-04-11 18:13:27,305 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_false-valid-free.i [2018-04-11 18:13:27,305 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 18:13:27,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__caddr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____rlim_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__mode_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int in 960521-1_false-valid-free.i [2018-04-11 18:13:27,305 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__div_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_mutex_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int32_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fsblkcnt_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsfilcnt_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_mutexattr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____rlim64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____suseconds_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____time_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____ssize_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____dev_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____blksize_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int32_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____qaddr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____caddr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fd_set in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____timer_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,306 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____id_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____blkcnt64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fsfilcnt_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_short in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__key_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int32_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____nlink_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__blkcnt_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____pthread_list_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_char in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ulong in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int16_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,307 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_once_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_long in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__gid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsblkcnt64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____off64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_short in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____quad_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int16_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__lldiv_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_char in 960521-1_false-valid-free.i [2018-04-11 18:13:27,308 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____mode_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__blksize_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_quad_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__wchar_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____intptr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint32_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_barrier_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__size_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__off_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_attr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__uid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,309 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____socklen_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____clockid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__quad_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____daddr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_spinlock_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fsid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int16_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_cond_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____key_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____blkcnt_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____clock_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,310 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__fd_mask in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__dev_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____WAIT_STATUS in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ushort in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__id_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint8_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__uint in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____sigset_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__loff_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____ino_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____ino64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,311 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____pid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____off_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fd_mask in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint16_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____gid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__nlink_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__clock_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_condattr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_rwlockattr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,312 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_long in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__suseconds_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int8_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____loff_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__daddr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____sig_atomic_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__clockid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__timer_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int8_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_barrierattr_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__register_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__sigset_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,313 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uint64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____swblk_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_quad_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ldiv_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____uid_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ssize_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__u_int64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsblkcnt_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____int64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__int8_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__n in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____fsfilcnt64_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,314 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__ino_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____u_int in 960521-1_false-valid-free.i [2018-04-11 18:13:27,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i____useconds_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__a in 960521-1_false-valid-free.i [2018-04-11 18:13:27,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__b in 960521-1_false-valid-free.i [2018-04-11 18:13:27,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__time_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_rwlock_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,315 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f_________false_valid_free_i__pthread_key_t in 960521-1_false-valid-free.i [2018-04-11 18:13:27,354 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG31a081a93 [2018-04-11 18:13:27,357 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 18:13:27,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 18:13:27,359 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 18:13:27,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 18:13:27,362 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 18:13:27,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d5a0b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27, skipping insertion in model container [2018-04-11 18:13:27,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,377 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:13:27,399 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 18:13:27,525 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:13:27,560 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 18:13:27,566 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-11 18:13:27,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27 WrapperNode [2018-04-11 18:13:27,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 18:13:27,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 18:13:27,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 18:13:27,606 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 18:13:27,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (1/1) ... [2018-04-11 18:13:27,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 18:13:27,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 18:13:27,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 18:13:27,642 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 18:13:27,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (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 18:13:27,737 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 18:13:27,737 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 18:13:27,737 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_________false_valid_free_i__foo [2018-04-11 18:13:27,738 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 18:13:27,738 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 18:13:27,739 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 18:13:27,740 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 18:13:27,741 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 18:13:27,742 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 18:13:27,743 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 18:13:27,744 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 18:13:27,745 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 18:13:27,746 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_________false_valid_free_i__foo [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 18:13:27,747 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 18:13:27,748 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 18:13:27,748 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 18:13:27,748 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 18:13:27,996 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 18:13:27,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:13:27 BoogieIcfgContainer [2018-04-11 18:13:27,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 18:13:27,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 18:13:27,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 18:13:28,000 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 18:13:28,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 06:13:27" (1/3) ... [2018-04-11 18:13:28,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbddd10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:13:28, skipping insertion in model container [2018-04-11 18:13:28,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 06:13:27" (2/3) ... [2018-04-11 18:13:28,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbddd10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 06:13:28, skipping insertion in model container [2018-04-11 18:13:28,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 06:13:27" (3/3) ... [2018-04-11 18:13:28,003 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_false-valid-free.i [2018-04-11 18:13:28,008 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-11 18:13:28,015 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-11 18:13:28,047 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 18:13:28,048 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 18:13:28,048 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 18:13:28,048 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-11 18:13:28,048 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-11 18:13:28,048 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 18:13:28,049 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 18:13:28,049 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 18:13:28,049 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 18:13:28,049 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 18:13:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-11 18:13:28,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 18:13:28,068 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:28,069 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:28,069 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:13:28,072 INFO L82 PathProgramCache]: Analyzing trace with hash 516560539, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:28,079 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:28,165 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 18:13:28,182 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:28,182 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 18:13:28,183 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:28,183 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 18:13:28,183 INFO L182 omatonBuilderFactory]: Interpolants [64#true, 65#false, 69#(= 1 (select |#valid| |main_#t~malloc3.base|)), 70#(= 1 (select |#valid| |main_#t~post4.base|)), 71#(and (= ~__U_MULTI_f_________false_valid_free_i__b~0.base |old(~__U_MULTI_f_________false_valid_free_i__b~0.base)|) (= |#valid| |old(#valid)|) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset |old(~__U_MULTI_f_________false_valid_free_i__a~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f_________false_valid_free_i__a~0.base |old(~__U_MULTI_f_________false_valid_free_i__a~0.base)|) (= ~__U_MULTI_f_________false_valid_free_i__n~0 |old(~__U_MULTI_f_________false_valid_free_i__n~0)|) (= ~__U_MULTI_f_________false_valid_free_i__b~0.offset |old(~__U_MULTI_f_________false_valid_free_i__b~0.offset)|))] [2018-04-11 18:13:28,183 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 18:13:28,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 18:13:28,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 18:13:28,191 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 18:13:28,193 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 5 states. [2018-04-11 18:13:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:28,357 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-04-11 18:13:28,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 18:13:28,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-04-11 18:13:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:28,366 INFO L225 Difference]: With dead ends: 60 [2018-04-11 18:13:28,366 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 18:13:28,368 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 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 18:13:28,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 18:13:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-11 18:13:28,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 18:13:28,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2018-04-11 18:13:28,392 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 11 [2018-04-11 18:13:28,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:28,392 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2018-04-11 18:13:28,392 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 18:13:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2018-04-11 18:13:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 18:13:28,392 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:28,392 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:28,393 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:13:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash 516560540, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:28,396 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:28,456 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 18:13:28,472 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:28,472 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 18:13:28,472 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:28,473 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 18:13:28,473 INFO L182 omatonBuilderFactory]: Interpolants [192#false, 196#(= ~__U_MULTI_f_________false_valid_free_i__n~0 128), 197#(and (= 512 (select |#length| |main_#t~malloc3.base|)) (= 0 |main_#t~malloc3.offset|)), 198#(and (<= 0 |main_#t~post4.offset|) (<= (+ |main_#t~post4.offset| 4) (select |#length| |main_#t~post4.base|))), 199#(and (= ~__U_MULTI_f_________false_valid_free_i__b~0.base |old(~__U_MULTI_f_________false_valid_free_i__b~0.base)|) (= |#valid| |old(#valid)|) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset |old(~__U_MULTI_f_________false_valid_free_i__a~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f_________false_valid_free_i__a~0.base |old(~__U_MULTI_f_________false_valid_free_i__a~0.base)|) (= ~__U_MULTI_f_________false_valid_free_i__n~0 |old(~__U_MULTI_f_________false_valid_free_i__n~0)|) (= ~__U_MULTI_f_________false_valid_free_i__b~0.offset |old(~__U_MULTI_f_________false_valid_free_i__b~0.offset)|)), 191#true] [2018-04-11 18:13:28,473 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 18:13:28,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 18:13:28,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 18:13:28,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 18:13:28,475 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand 6 states. [2018-04-11 18:13:28,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:28,663 INFO L93 Difference]: Finished difference Result 56 states and 58 transitions. [2018-04-11 18:13:28,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 18:13:28,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-04-11 18:13:28,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:28,664 INFO L225 Difference]: With dead ends: 56 [2018-04-11 18:13:28,664 INFO L226 Difference]: Without dead ends: 56 [2018-04-11 18:13:28,667 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 18:13:28,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-11 18:13:28,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-11 18:13:28,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-11 18:13:28,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-04-11 18:13:28,671 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 11 [2018-04-11 18:13:28,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:28,671 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-04-11 18:13:28,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 18:13:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-04-11 18:13:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 18:13:28,672 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:28,672 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:28,672 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:13:28,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1337247429, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:28,675 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:28,688 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-11 18:13:28,691 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:28,691 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:28,692 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:28,692 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-11 18:13:28,731 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-11 18:13:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:28,770 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 18:13:28,788 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 18:13:28,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 18:13:28,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-11 18:13:28,788 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 18:13:28,789 INFO L182 omatonBuilderFactory]: Interpolants [323#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 324#(= 1 (select |#valid| |main_#t~malloc2.base|)), 325#(= 1 (select |#valid| ~__U_MULTI_f_________false_valid_free_i__a~0.base)), 326#(or (= (select |#valid| ~__U_MULTI_f_________false_valid_free_i__a~0.base) 1) (not (= (select |#valid| |main_#t~malloc3.base|) 1))), 327#(or (= (select |#valid| ~__U_MULTI_f_________false_valid_free_i__a~0.base) 1) (not (= (select |#valid| |main_#t~post4.base|) 1))), 328#(and (= ~__U_MULTI_f_________false_valid_free_i__b~0.base |old(~__U_MULTI_f_________false_valid_free_i__b~0.base)|) (= |#valid| |old(#valid)|) (= ~__U_MULTI_f_________false_valid_free_i__a~0.offset |old(~__U_MULTI_f_________false_valid_free_i__a~0.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~__U_MULTI_f_________false_valid_free_i__a~0.base |old(~__U_MULTI_f_________false_valid_free_i__a~0.base)|) (= ~__U_MULTI_f_________false_valid_free_i__n~0 |old(~__U_MULTI_f_________false_valid_free_i__n~0)|) (= ~__U_MULTI_f_________false_valid_free_i__b~0.offset |old(~__U_MULTI_f_________false_valid_free_i__b~0.offset)|)), 318#true, 319#false] [2018-04-11 18:13:28,789 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 18:13:28,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 18:13:28,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 18:13:28,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2018-04-11 18:13:28,790 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 8 states. [2018-04-11 18:13:28,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 18:13:28,967 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2018-04-11 18:13:28,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 18:13:28,968 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-04-11 18:13:28,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 18:13:28,968 INFO L225 Difference]: With dead ends: 53 [2018-04-11 18:13:28,968 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 18:13:28,969 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=61, Unknown=3, NotChecked=16, Total=110 [2018-04-11 18:13:28,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 18:13:28,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-11 18:13:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 18:13:28,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2018-04-11 18:13:28,973 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 17 [2018-04-11 18:13:28,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 18:13:28,973 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2018-04-11 18:13:28,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 18:13:28,973 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2018-04-11 18:13:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 18:13:28,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 18:13:28,974 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 18:13:28,974 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_________false_valid_free_i__fooErr1RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr3RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr2RequiresViolation, __U_MULTI_f_________false_valid_free_i__fooErr0RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE]=== [2018-04-11 18:13:28,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1337247430, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 18:13:28,977 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 18:13:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 18:13:29,013 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 0 (* (- 1) (select |#length_8| |main_#t~malloc2.base_6|))) (* (- 1) (select |#length_8| |main_#t~malloc2.base_6|))))) (rewrite a!1)) [2018-04-11 18:13:29,014 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 122 column 366: theory not supported by interpolation or bad proof at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-11 18:13:29,016 INFO L168 Benchmark]: Toolchain (without parser) took 1658.06 ms. Allocated memory was 403.7 MB in the beginning and 595.1 MB in the end (delta: 191.4 MB). Free memory was 336.6 MB in the beginning and 518.1 MB in the end (delta: -181.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:29,016 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 403.7 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 18:13:29,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.76 ms. Allocated memory is still 403.7 MB. Free memory was 335.2 MB in the beginning and 312.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:29,017 INFO L168 Benchmark]: Boogie Preprocessor took 36.32 ms. Allocated memory is still 403.7 MB. Free memory was 312.5 MB in the beginning and 309.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:29,017 INFO L168 Benchmark]: RCFGBuilder took 354.63 ms. Allocated memory was 403.7 MB in the beginning and 595.1 MB in the end (delta: 191.4 MB). Free memory was 309.9 MB in the beginning and 532.8 MB in the end (delta: -223.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:29,018 INFO L168 Benchmark]: TraceAbstraction took 1017.84 ms. Allocated memory is still 595.1 MB. Free memory was 532.8 MB in the beginning and 518.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 5.3 GB. [2018-04-11 18:13:29,019 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 403.7 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 246.76 ms. Allocated memory is still 403.7 MB. Free memory was 335.2 MB in the beginning and 312.5 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.32 ms. Allocated memory is still 403.7 MB. Free memory was 312.5 MB in the beginning and 309.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 354.63 ms. Allocated memory was 403.7 MB in the beginning and 595.1 MB in the end (delta: 191.4 MB). Free memory was 309.9 MB in the beginning and 532.8 MB in the end (delta: -223.0 MB). Peak memory consumption was 24.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1017.84 ms. Allocated memory is still 595.1 MB. Free memory was 532.8 MB in the beginning and 518.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 122 column 366: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 122 column 366: theory not supported by interpolation or bad proof: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_18-13-29-026.csv Received shutdown request...