java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 21:58:08,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 21:58:08,961 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 21:58:08,974 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 21:58:08,974 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 21:58:08,975 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 21:58:08,976 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 21:58:08,978 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 21:58:08,980 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 21:58:08,981 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 21:58:08,982 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 21:58:08,982 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 21:58:08,982 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 21:58:08,983 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 21:58:08,984 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 21:58:08,986 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 21:58:08,988 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 21:58:08,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 21:58:08,991 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 21:58:08,992 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 21:58:08,994 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 21:58:08,995 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 21:58:08,995 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 21:58:08,996 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 21:58:08,997 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 21:58:08,998 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 21:58:08,998 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 21:58:08,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 21:58:09,000 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 21:58:09,000 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 21:58:09,001 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 21:58:09,001 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 21:58:09,024 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 21:58:09,025 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 21:58:09,025 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 21:58:09,025 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 21:58:09,026 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 21:58:09,026 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 21:58:09,026 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 21:58:09,026 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 21:58:09,027 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 21:58:09,027 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 21:58:09,027 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 21:58:09,027 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 21:58:09,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 21:58:09,028 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 21:58:09,028 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 21:58:09,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 21:58:09,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 21:58:09,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 21:58:09,029 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 21:58:09,029 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 21:58:09,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 21:58:09,029 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 21:58:09,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 21:58:09,029 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 21:58:09,030 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 21:58:09,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 21:58:09,030 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:58:09,030 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 21:58:09,030 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 21:58:09,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 21:58:09,031 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 21:58:09,031 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 21:58:09,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:09,031 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 21:58:09,032 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 21:58:09,032 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 21:58:09,032 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 21:58:09,033 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 21:58:09,066 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 21:58:09,078 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 21:58:09,081 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 21:58:09,083 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 21:58:09,083 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 21:58:09,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,456 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe5a6f7dcb [2018-04-11 21:58:09,617 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 21:58:09,618 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 21:58:09,618 INFO L168 CDTParser]: Scanning 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,631 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 21:58:09,631 INFO L215 ultiparseSymbolTable]: [2018-04-11 21:58:09,631 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 21:58:09,631 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f___________false_valid_deref_i__foo ('foo') in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,631 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,631 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 21:58:09,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint8_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____key_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____clockid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____daddr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____clock_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__quad_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,632 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fsid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int16_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int8_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__clockid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__loff_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_int in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__uint in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__suseconds_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,633 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fd_mask in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__wchar_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____useconds_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____ino64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_long in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____ino_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,634 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__nlink_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____sigset_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_cond_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____blkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_once_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int16_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__dev_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_spinlock_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,635 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__id_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_long in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____nlink_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__timer_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_char in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__off_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int32_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,636 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__blkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ssize_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_rwlockattr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____socklen_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____pthread_list_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____off_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____blkcnt64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fsfilcnt_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int32_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_attr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_barrier_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,637 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_quad_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____pid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____sig_atomic_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____quad_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fd_mask in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____ssize_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_char in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____off64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsblkcnt64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,638 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____id_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_mutexattr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____gid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____timer_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fsblkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__div_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int32_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__caddr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,639 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____suseconds_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__time_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____u_short in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_mutex_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__lldiv_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__key_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__uid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__mode_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__fd_set in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____rlim_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,640 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____intptr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int16_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsblkcnt_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__size_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__n in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_key_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_rwlock_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint32_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____mode_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__sigset_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,641 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__blksize_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ulong in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__gid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int8_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_short in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__b in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__a in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ino_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pid_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__clock_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,642 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ldiv_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_barrierattr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____swblk_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__register_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____caddr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsfilcnt64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____int64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____dev_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,643 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_quad_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__ushort in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__daddr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____time_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____loff_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int8_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__int64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__u_int64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____fsfilcnt_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____rlim64_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,644 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____WAIT_STATUS in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____qaddr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i__pthread_condattr_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____uint16_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,645 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________false_valid_deref_i____blksize_t in 960521-1_1_false-valid-deref.i [2018-04-11 21:58:09,664 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe5a6f7dcb [2018-04-11 21:58:09,668 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 21:58:09,669 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 21:58:09,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 21:58:09,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 21:58:09,676 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 21:58:09,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:09,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99dfca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09, skipping insertion in model container [2018-04-11 21:58:09,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:09,692 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:58:09,721 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:58:09,882 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:58:09,920 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:58:09,926 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 21:58:09,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09 WrapperNode [2018-04-11 21:58:09,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 21:58:09,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 21:58:09,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 21:58:09,970 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 21:58:09,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:09,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:10,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:10,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:10,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:10,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:10,025 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... [2018-04-11 21:58:10,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 21:58:10,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 21:58:10,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 21:58:10,030 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 21:58:10,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:58:10,155 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 21:58:10,156 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 21:58:10,156 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f___________false_valid_deref_i__foo [2018-04-11 21:58:10,156 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 21:58:10,156 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 21:58:10,156 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 21:58:10,156 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 21:58:10,156 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 21:58:10,156 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 21:58:10,156 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 21:58:10,157 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 21:58:10,157 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 21:58:10,157 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 21:58:10,157 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 21:58:10,157 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 21:58:10,158 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 21:58:10,158 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 21:58:10,158 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 21:58:10,158 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 21:58:10,158 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 21:58:10,158 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 21:58:10,159 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 21:58:10,159 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 21:58:10,159 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 21:58:10,159 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 21:58:10,159 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 21:58:10,159 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 21:58:10,160 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 21:58:10,160 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 21:58:10,160 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 21:58:10,160 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 21:58:10,160 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 21:58:10,160 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 21:58:10,161 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 21:58:10,162 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 21:58:10,162 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 21:58:10,162 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 21:58:10,162 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 21:58:10,162 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 21:58:10,162 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 21:58:10,162 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 21:58:10,163 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 21:58:10,164 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 21:58:10,165 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 21:58:10,166 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 21:58:10,167 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 21:58:10,167 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 21:58:10,167 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 21:58:10,167 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 21:58:10,167 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 21:58:10,167 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 21:58:10,167 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 21:58:10,168 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 21:58:10,169 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f___________false_valid_deref_i__foo [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 21:58:10,170 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 21:58:10,171 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 21:58:10,171 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 21:58:10,171 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 21:58:10,171 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 21:58:10,171 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 21:58:10,526 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 21:58:10,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:58:10 BoogieIcfgContainer [2018-04-11 21:58:10,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 21:58:10,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 21:58:10,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 21:58:10,531 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 21:58:10,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:58:09" (1/3) ... [2018-04-11 21:58:10,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28253efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:58:10, skipping insertion in model container [2018-04-11 21:58:10,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:58:09" (2/3) ... [2018-04-11 21:58:10,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28253efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:58:10, skipping insertion in model container [2018-04-11 21:58:10,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:58:10" (3/3) ... [2018-04-11 21:58:10,534 INFO L107 eAbstractionObserver]: Analyzing ICFG 960521-1_1_false-valid-deref.i [2018-04-11 21:58:10,541 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 21:58:10,548 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-11 21:58:10,591 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 21:58:10,592 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 21:58:10,592 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 21:58:10,592 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 21:58:10,592 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 21:58:10,592 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 21:58:10,592 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 21:58:10,593 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 21:58:10,593 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 21:58:10,593 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 21:58:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-04-11 21:58:10,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 21:58:10,611 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:10,612 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:58:10,612 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:10,615 INFO L82 PathProgramCache]: Analyzing trace with hash 47120403, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:10,626 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:10,683 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:10,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:58:10,705 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:10,721 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 21:58:10,745 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:10,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 21:58:10,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 21:58:10,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 21:58:10,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 21:58:10,758 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-04-11 21:58:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:10,781 INFO L93 Difference]: Finished difference Result 146 states and 157 transitions. [2018-04-11 21:58:10,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 21:58:10,783 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-04-11 21:58:10,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:10,793 INFO L225 Difference]: With dead ends: 146 [2018-04-11 21:58:10,793 INFO L226 Difference]: Without dead ends: 79 [2018-04-11 21:58:10,797 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 21:58:10,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-11 21:58:10,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-11 21:58:10,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-11 21:58:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 82 transitions. [2018-04-11 21:58:10,838 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 82 transitions. Word has length 18 [2018-04-11 21:58:10,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:10,839 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 82 transitions. [2018-04-11 21:58:10,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 21:58:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 82 transitions. [2018-04-11 21:58:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 21:58:10,840 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:10,840 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] [2018-04-11 21:58:10,840 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:10,840 INFO L82 PathProgramCache]: Analyzing trace with hash -527204562, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:10,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:10,876 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:10,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:58:10,909 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:10,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:10,911 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:58:10,946 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 21:58:10,946 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:10,954 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 21:58:10,986 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:10,986 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-11 21:58:10,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 21:58:10,988 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 21:58:10,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:58:10,989 INFO L87 Difference]: Start difference. First operand 79 states and 82 transitions. Second operand 5 states. [2018-04-11 21:58:11,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:11,091 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2018-04-11 21:58:11,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 21:58:11,091 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-11 21:58:11,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:11,093 INFO L225 Difference]: With dead ends: 79 [2018-04-11 21:58:11,093 INFO L226 Difference]: Without dead ends: 76 [2018-04-11 21:58:11,094 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:58:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-11 21:58:11,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-11 21:58:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 21:58:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2018-04-11 21:58:11,104 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 21 [2018-04-11 21:58:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:11,104 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2018-04-11 21:58:11,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 21:58:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2018-04-11 21:58:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 21:58:11,105 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:11,105 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] [2018-04-11 21:58:11,105 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:11,106 INFO L82 PathProgramCache]: Analyzing trace with hash -527204561, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:11,114 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:11,142 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:11,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 21:58:11,168 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:11,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:58:11,175 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-11 21:58:11,250 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 21:58:11,251 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:11,328 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 21:58:11,358 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:11,358 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-11 21:58:11,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 21:58:11,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 21:58:11,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-11 21:58:11,360 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 9 states. [2018-04-11 21:58:11,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:11,660 INFO L93 Difference]: Finished difference Result 141 states and 147 transitions. [2018-04-11 21:58:11,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 21:58:11,661 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-11 21:58:11,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:11,662 INFO L225 Difference]: With dead ends: 141 [2018-04-11 21:58:11,662 INFO L226 Difference]: Without dead ends: 140 [2018-04-11 21:58:11,663 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-04-11 21:58:11,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-04-11 21:58:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 87. [2018-04-11 21:58:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-11 21:58:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 91 transitions. [2018-04-11 21:58:11,673 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 91 transitions. Word has length 21 [2018-04-11 21:58:11,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:11,673 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 91 transitions. [2018-04-11 21:58:11,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 21:58:11,674 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2018-04-11 21:58:11,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 21:58:11,675 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:11,675 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:58:11,675 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:11,676 INFO L82 PathProgramCache]: Analyzing trace with hash -514118385, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:11,683 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:11,706 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:11,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:58:11,723 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:11,725 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:11,725 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:58:11,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 21:58:11,745 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:11,749 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:58:11,749 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 21:58:11,777 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 21:58:11,777 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:11,819 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 21:58:11,839 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:11,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 21:58:11,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:58:11,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:58:11,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:58:11,840 INFO L87 Difference]: Start difference. First operand 87 states and 91 transitions. Second operand 4 states. [2018-04-11 21:58:11,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:11,894 INFO L93 Difference]: Finished difference Result 87 states and 91 transitions. [2018-04-11 21:58:11,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:58:11,895 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-04-11 21:58:11,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:11,896 INFO L225 Difference]: With dead ends: 87 [2018-04-11 21:58:11,896 INFO L226 Difference]: Without dead ends: 84 [2018-04-11 21:58:11,896 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:58:11,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-11 21:58:11,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-11 21:58:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 21:58:11,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2018-04-11 21:58:11,906 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 28 [2018-04-11 21:58:11,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:11,907 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2018-04-11 21:58:11,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:58:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2018-04-11 21:58:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 21:58:11,908 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:11,908 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:58:11,908 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:11,909 INFO L82 PathProgramCache]: Analyzing trace with hash -514118384, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:11,925 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:11,948 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:12,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 21:58:12,016 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:12,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:12,032 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-11 21:58:12,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-11 21:58:12,067 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:12,077 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 21:58:12,077 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-04-11 21:58:12,136 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 21:58:12,136 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:12,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-11 21:58:12,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-04-11 21:58:12,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:12,239 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:12,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:12,240 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-04-11 21:58:12,245 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 21:58:12,265 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:12,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2018-04-11 21:58:12,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 21:58:12,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 21:58:12,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2018-04-11 21:58:12,266 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 11 states. [2018-04-11 21:58:12,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:12,517 INFO L93 Difference]: Finished difference Result 182 states and 193 transitions. [2018-04-11 21:58:12,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 21:58:12,518 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2018-04-11 21:58:12,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:12,523 INFO L225 Difference]: With dead ends: 182 [2018-04-11 21:58:12,523 INFO L226 Difference]: Without dead ends: 145 [2018-04-11 21:58:12,524 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2018-04-11 21:58:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-11 21:58:12,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 112. [2018-04-11 21:58:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-11 21:58:12,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 122 transitions. [2018-04-11 21:58:12,535 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 122 transitions. Word has length 28 [2018-04-11 21:58:12,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:12,535 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 122 transitions. [2018-04-11 21:58:12,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 21:58:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 122 transitions. [2018-04-11 21:58:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 21:58:12,536 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:12,537 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:58:12,537 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:12,537 INFO L82 PathProgramCache]: Analyzing trace with hash 273528791, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:12,549 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:12,574 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:12,597 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 21:58:12,597 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:12,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:58:12,603 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-11 21:58:12,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:58:12,649 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:12,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:58:12,739 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:12,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2018-04-11 21:58:12,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 21:58:12,740 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 21:58:12,740 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-04-11 21:58:12,740 INFO L87 Difference]: Start difference. First operand 112 states and 122 transitions. Second operand 13 states. [2018-04-11 21:58:13,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:13,182 INFO L93 Difference]: Finished difference Result 135 states and 141 transitions. [2018-04-11 21:58:13,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 21:58:13,183 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2018-04-11 21:58:13,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:13,184 INFO L225 Difference]: With dead ends: 135 [2018-04-11 21:58:13,184 INFO L226 Difference]: Without dead ends: 134 [2018-04-11 21:58:13,185 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2018-04-11 21:58:13,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-11 21:58:13,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 111. [2018-04-11 21:58:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-04-11 21:58:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2018-04-11 21:58:13,197 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 28 [2018-04-11 21:58:13,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:13,197 INFO L459 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2018-04-11 21:58:13,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 21:58:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2018-04-11 21:58:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 21:58:13,199 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:13,199 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:58:13,199 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:13,199 INFO L82 PathProgramCache]: Analyzing trace with hash 634426598, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:13,205 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:13,227 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:13,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:58:13,253 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:58:13,293 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:13,294 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2018-04-11 21:58:13,294 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 21:58:13,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 21:58:13,294 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-04-11 21:58:13,294 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 9 states. [2018-04-11 21:58:13,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:13,366 INFO L93 Difference]: Finished difference Result 168 states and 176 transitions. [2018-04-11 21:58:13,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 21:58:13,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-04-11 21:58:13,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:13,368 INFO L225 Difference]: With dead ends: 168 [2018-04-11 21:58:13,368 INFO L226 Difference]: Without dead ends: 127 [2018-04-11 21:58:13,369 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-04-11 21:58:13,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-04-11 21:58:13,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 106. [2018-04-11 21:58:13,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-11 21:58:13,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 112 transitions. [2018-04-11 21:58:13,379 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 112 transitions. Word has length 34 [2018-04-11 21:58:13,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:13,379 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 112 transitions. [2018-04-11 21:58:13,379 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 21:58:13,380 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2018-04-11 21:58:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-11 21:58:13,381 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:13,381 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:58:13,381 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:13,381 INFO L82 PathProgramCache]: Analyzing trace with hash -638097560, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:13,391 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:58:13,415 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:58:13,446 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 21:58:13,447 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:13,451 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:13,451 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-11 21:58:13,486 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-11 21:58:13,486 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:13,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 21:58:13,493 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-04-11 21:58:13,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:58:13,570 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:58:13,670 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-11 21:58:13,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-11 21:58:13,680 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:58:13,680 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:13,681 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:58:13,681 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-04-11 21:58:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:58:13,721 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:58:13,721 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2018-04-11 21:58:13,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 21:58:13,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 21:58:13,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-11 21:58:13,722 INFO L87 Difference]: Start difference. First operand 106 states and 112 transitions. Second operand 15 states. [2018-04-11 21:58:14,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:58:14,209 INFO L93 Difference]: Finished difference Result 173 states and 182 transitions. [2018-04-11 21:58:14,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 21:58:14,209 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 35 [2018-04-11 21:58:14,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:58:14,210 INFO L225 Difference]: With dead ends: 173 [2018-04-11 21:58:14,210 INFO L226 Difference]: Without dead ends: 136 [2018-04-11 21:58:14,211 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2018-04-11 21:58:14,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-04-11 21:58:14,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 103. [2018-04-11 21:58:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-04-11 21:58:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 107 transitions. [2018-04-11 21:58:14,219 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 107 transitions. Word has length 35 [2018-04-11 21:58:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:58:14,219 INFO L459 AbstractCegarLoop]: Abstraction has 103 states and 107 transitions. [2018-04-11 21:58:14,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 21:58:14,220 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2018-04-11 21:58:14,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-11 21:58:14,220 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:58:14,221 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:58:14,221 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr4AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr12EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr5AssertViolationMEMORY_FREE, __U_MULTI_f___________false_valid_deref_i__fooErr2RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr3RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr0RequiresViolation, __U_MULTI_f___________false_valid_deref_i__fooErr1RequiresViolation]=== [2018-04-11 21:58:14,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1153934033, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:58:14,230 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:58:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:58:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:58:14,325 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 21:58:14,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:58:14 BoogieIcfgContainer [2018-04-11 21:58:14,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 21:58:14,380 INFO L168 Benchmark]: Toolchain (without parser) took 4712.35 ms. Allocated memory was 301.5 MB in the beginning and 516.9 MB in the end (delta: 215.5 MB). Free memory was 238.2 MB in the beginning and 432.2 MB in the end (delta: -194.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:14,382 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:58:14,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.87 ms. Allocated memory is still 301.5 MB. Free memory was 238.2 MB in the beginning and 214.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:14,383 INFO L168 Benchmark]: Boogie Preprocessor took 59.54 ms. Allocated memory is still 301.5 MB. Free memory was 214.1 MB in the beginning and 212.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:14,383 INFO L168 Benchmark]: RCFGBuilder took 496.96 ms. Allocated memory was 301.5 MB in the beginning and 460.3 MB in the end (delta: 158.9 MB). Free memory was 212.1 MB in the beginning and 397.3 MB in the end (delta: -185.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:14,384 INFO L168 Benchmark]: TraceAbstraction took 3852.11 ms. Allocated memory was 460.3 MB in the beginning and 516.9 MB in the end (delta: 56.6 MB). Free memory was 395.8 MB in the beginning and 432.2 MB in the end (delta: -36.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 5.3 GB. [2018-04-11 21:58:14,388 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 301.5 MB. Free memory is still 263.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 299.87 ms. Allocated memory is still 301.5 MB. Free memory was 238.2 MB in the beginning and 214.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 59.54 ms. Allocated memory is still 301.5 MB. Free memory was 214.1 MB in the beginning and 212.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 496.96 ms. Allocated memory was 301.5 MB in the beginning and 460.3 MB in the end (delta: 158.9 MB). Free memory was 212.1 MB in the beginning and 397.3 MB in the end (delta: -185.2 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3852.11 ms. Allocated memory was 460.3 MB in the beginning and 516.9 MB in the end (delta: 56.6 MB). Free memory was 395.8 MB in the beginning and 432.2 MB in the end (delta: -36.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 640]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L619] int *a, *b; VAL [\old(a)=10, \old(a)=8, \old(a)=6, \old(a)=5, \old(n)=9, a={6:5}, a={0:0}, n=9] [L619] int *a, *b; VAL [\old(a)=8, \old(a)=10, \old(a)=6, \old(a)=5, \old(n)=9, a={0:0}, a={0:0}, n=9] [L620] int n; VAL [\old(a)=8, \old(a)=10, \old(a)=5, \old(a)=6, \old(n)=9, a={0:0}, a={0:0}, n=0] [L632] n = 1 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={0:0}, a={0:0}, n=1] [L633] COND FALSE !(__VERIFIER_nondet_int() && n < 30) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, __VERIFIER_nondet_int()=0, a={0:0}, a={0:0}, n=1] [L636] EXPR, FCALL malloc(n * sizeof(*a)) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={0:0}, a={0:0}, malloc(n * sizeof(*a))={14:0}, n=1] [L636] a = malloc(n * sizeof(*a)) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={0:0}, a={14:0}, malloc(n * sizeof(*a))={14:0}, n=1] [L637] EXPR, FCALL malloc(n * sizeof(*b)) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={0:0}, a={14:0}, malloc(n * sizeof(*a))={14:0}, malloc(n * sizeof(*b))={13:0}, n=1] [L637] b = malloc(n * sizeof(*b)) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:0}, malloc(n * sizeof(*a))={14:0}, malloc(n * sizeof(*b))={13:0}, n=1] [L638] EXPR b++ VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:0}, b++={13:0}, malloc(n * sizeof(*a))={14:0}, malloc(n * sizeof(*b))={13:0}, n=1] [L638] EXPR b++ VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, b++={13:0}, malloc(n * sizeof(*a))={14:0}, malloc(n * sizeof(*b))={13:0}, n=1] [L638] FCALL *b++ = 0 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={13:4}, a={14:0}, b++={13:0}, malloc(n * sizeof(*a))={14:0}, malloc(n * sizeof(*b))={13:0}, n=1] [L639] CALL foo() VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, n=1] [L624] int i; VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, n=1] [L625] i = 0 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, i=0, n=1] [L625] COND TRUE i < n VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, i=0, n=1] [L626] FCALL a[i] = n VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, i=0, n=1] [L625] i++ VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={13:4}, a={14:0}, i=0, i++=0, n=1] [L625] i++ VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, i=1, i++=0, n=1] [L625] COND FALSE !(i < n) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={13:4}, a={14:0}, i=1, n=1] [L627] i = 0 VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={13:4}, a={14:0}, i=0, n=1] [L627] COND FALSE, RET !(i < n - 1) VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, i=0, n=1] [L639] foo() VAL [\old(a)=0, \old(a)=0, \old(a)=0, \old(a)=0, \old(n)=0, a={14:0}, a={13:4}, malloc(n * sizeof(*a))={14:0}, malloc(n * sizeof(*b))={13:0}, n=1] [L640] FCALL b[-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 82 locations, 17 error locations. UNSAFE Result, 3.7s OverallTime, 9 OverallIterations, 2 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 575 SDtfs, 977 SDslu, 2037 SDs, 0 SdLazy, 1204 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 359 SyntacticMatches, 7 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 410 ConstructedInterpolants, 34 QuantifiedInterpolants, 55428 SizeOfPredicates, 34 NumberOfNonLiveVariables, 1006 ConjunctsInSsa, 71 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 18/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_21-58-14-398.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_21-58-14-398.csv Received shutdown request...