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/memsafety-ext2/length_test03_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:56:51,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:56:51,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:56:51,152 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 12:56:51,152 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 12:56:51,153 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 12:56:51,154 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 12:56:51,155 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 12:56:51,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 12:56:51,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 12:56:51,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 12:56:51,160 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 12:56:51,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 12:56:51,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 12:56:51,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 12:56:51,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 12:56:51,167 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 12:56:51,168 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 12:56:51,170 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 12:56:51,171 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 12:56:51,173 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-28 12:56:51,179 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 12:56:51,179 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 12:56:51,180 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 [2018-03-28 12:56:51,203 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:56:51,203 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:56:51,203 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:56:51,203 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:56:51,204 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:56:51,204 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:56:51,204 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:56:51,205 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:56:51,205 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:56:51,205 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:56:51,205 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:56:51,205 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:56:51,205 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:56:51,206 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:56:51,206 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:56:51,206 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:56:51,206 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:56:51,206 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:56:51,206 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:56:51,206 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:56:51,207 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:56:51,207 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:56:51,207 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:56:51,207 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:56:51,207 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:56:51,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:56:51,208 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:56:51,208 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:56:51,208 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:56:51,208 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:56:51,208 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:56:51,208 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:56:51,208 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:56:51,209 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:56:51,209 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:56:51,210 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:56:51,210 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:56:51,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:56:51,249 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:56:51,253 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:56:51,254 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:56:51,254 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:56:51,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,550 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGdbcbab2ea [2018-03-28 12:56:51,746 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:56:51,746 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:56:51,747 INFO L171 CDTParser]: Scanning length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,757 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:56:51,758 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:56:51,758 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:56:51,758 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i__append ('append') in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,758 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 ('__bswap_64') in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,758 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,759 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 ('__bswap_32') in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,759 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:56:51,759 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__nlink_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,759 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fd_mask in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,759 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__wchar_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,759 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_attr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,759 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____sig_atomic_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,759 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_once_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int8_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__dev_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_condattr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__id_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_int in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____clock_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,760 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__timer_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__clockid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int8_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_spinlock_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____nlink_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____sigset_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__suseconds_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blkcnt64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,761 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__gid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ssize_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fd_mask in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_short in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__uint in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_long in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,762 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsword_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ino64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint16_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int8_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__daddr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__clock_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____syscall_slong_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____loff_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blkcnt_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,763 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__register_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____daddr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsfilcnt_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_barrierattr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ldiv_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_quad_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,764 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ushort in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_mutex_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____time_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____useconds_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsfilcnt64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__loff_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____key_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ino_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint8_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____qaddr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int16_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__blksize_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_char in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____blksize_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_key_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_rwlock_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__lldiv_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____dev_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsblkcnt_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__uid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____rlim64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____uint32_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsblkcnt_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__time_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__div_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int32_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____id_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____syscall_ulong_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__ulong in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__mode_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__sigset_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____pthread_slist_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int32_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_short in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__caddr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__key_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_rwlockattr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____caddr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fd_set in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____off_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____quad_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____mode_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__fsfilcnt_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____gid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__int32_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____pid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ssize_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____socklen_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_mutexattr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____ino_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__off_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____timer_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_long in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_cond_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____int16_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__size_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____intptr_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int16_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__blkcnt_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____rlim_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____clockid_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_char in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__u_int in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__quad_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____fsblkcnt64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____off64_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____suseconds_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i__pthread_barrier_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flength_test___true_valid_memsafety_i____u_quad_t in length_test03_true-valid-memsafety.i [2018-03-28 12:56:51,789 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGdbcbab2ea [2018-03-28 12:56:51,793 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:56:51,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:56:51,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:56:51,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:56:51,802 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:56:51,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:56:51" (1/1) ... [2018-03-28 12:56:51,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a755463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:51, skipping insertion in model container [2018-03-28 12:56:51,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:56:51" (1/1) ... [2018-03-28 12:56:51,819 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:56:51,849 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:56:52,019 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:56:52,074 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:56:52,081 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 119 non ball SCCs. Number of states in SCCs 119. [2018-03-28 12:56:52,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52 WrapperNode [2018-03-28 12:56:52,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:56:52,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:56:52,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:56:52,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:56:52,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (1/1) ... [2018-03-28 12:56:52,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (1/1) ... [2018-03-28 12:56:52,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (1/1) ... [2018-03-28 12:56:52,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (1/1) ... [2018-03-28 12:56:52,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (1/1) ... [2018-03-28 12:56:52,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (1/1) ... [2018-03-28 12:56:52,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (1/1) ... [2018-03-28 12:56:52,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:56:52,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:56:52,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:56:52,190 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:56:52,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (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 [2018-03-28 12:56:52,302 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:56:52,303 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:56:52,303 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 [2018-03-28 12:56:52,303 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 [2018-03-28 12:56:52,303 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flength_test___true_valid_memsafety_i__append [2018-03-28 12:56:52,303 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:56:52,303 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-28 12:56:52,303 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:56:52,303 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:56:52,303 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:56:52,304 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:56:52,304 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:56:52,304 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:56:52,304 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:56:52,304 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:56:52,304 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:56:52,305 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:56:52,305 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:56:52,305 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:56:52,305 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:56:52,305 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:56:52,305 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:56:52,306 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:56:52,306 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_32 [2018-03-28 12:56:52,306 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i____bswap_64 [2018-03-28 12:56:52,306 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:56:52,306 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:56:52,306 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:56:52,307 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:56:52,307 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:56:52,307 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:56:52,307 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:56:52,307 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:56:52,307 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:56:52,308 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:56:52,309 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:56:52,309 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:56:52,309 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:56:52,309 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:56:52,309 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:56:52,309 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:56:52,309 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:56:52,310 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:56:52,311 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:56:52,312 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:56:52,312 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:56:52,312 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-03-28 12:56:52,312 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:56:52,312 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:56:52,312 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-03-28 12:56:52,312 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:56:52,313 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:56:52,314 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:56:52,315 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:56:52,316 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:56:52,317 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flength_test___true_valid_memsafety_i__append [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-28 12:56:52,318 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:56:52,319 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:56:52,319 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:56:52,319 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:56:52,319 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:56:52,319 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:56:52,914 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:56:52,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:56:52 BoogieIcfgContainer [2018-03-28 12:56:52,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:56:52,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:56:52,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:56:52,918 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:56:52,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:56:51" (1/3) ... [2018-03-28 12:56:52,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562f3421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:56:52, skipping insertion in model container [2018-03-28 12:56:52,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:56:52" (2/3) ... [2018-03-28 12:56:52,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562f3421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:56:52, skipping insertion in model container [2018-03-28 12:56:52,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:56:52" (3/3) ... [2018-03-28 12:56:52,921 INFO L107 eAbstractionObserver]: Analyzing ICFG length_test03_true-valid-memsafety.i [2018-03-28 12:56:52,928 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:56:52,935 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-03-28 12:56:52,972 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:56:52,973 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:56:52,973 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:56:52,973 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:56:52,973 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:56:52,973 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:56:52,973 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:56:52,974 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:56:52,974 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:56:52,975 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:56:52,992 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-03-28 12:56:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-28 12:56:52,996 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:52,996 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:56:52,996 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:53,000 INFO L82 PathProgramCache]: Analyzing trace with hash -383327672, 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 [2018-03-28 12:56:53,010 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:53,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:53,041 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:53,078 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 [2018-03-28 12:56:53,080 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:53,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:53,085 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:56:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:53,095 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:53,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:53,124 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:53,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:56:53,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:56:53,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:56:53,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:56:53,137 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 4 states. [2018-03-28 12:56:53,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:56:53,477 INFO L93 Difference]: Finished difference Result 356 states and 379 transitions. [2018-03-28 12:56:53,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:56:53,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-03-28 12:56:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:56:53,492 INFO L225 Difference]: With dead ends: 356 [2018-03-28 12:56:53,492 INFO L226 Difference]: Without dead ends: 213 [2018-03-28 12:56:53,497 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:56:53,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-03-28 12:56:53,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 165. [2018-03-28 12:56:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-03-28 12:56:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 171 transitions. [2018-03-28 12:56:53,544 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 171 transitions. Word has length 9 [2018-03-28 12:56:53,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:56:53,544 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 171 transitions. [2018-03-28 12:56:53,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:56:53,545 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 171 transitions. [2018-03-28 12:56:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-03-28 12:56:53,545 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:53,545 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:56:53,545 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:53,546 INFO L82 PathProgramCache]: Analyzing trace with hash -383327671, 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 [2018-03-28 12:56:53,552 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:53,564 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:53,573 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 [2018-03-28 12:56:53,574 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:53,582 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:53,582 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:56:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:53,608 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:53,652 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:53,652 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 12:56:53,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:56:53,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:56:53,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:56:53,654 INFO L87 Difference]: Start difference. First operand 165 states and 171 transitions. Second operand 6 states. [2018-03-28 12:56:53,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:56:53,890 INFO L93 Difference]: Finished difference Result 170 states and 177 transitions. [2018-03-28 12:56:53,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:56:53,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-03-28 12:56:53,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:56:53,892 INFO L225 Difference]: With dead ends: 170 [2018-03-28 12:56:53,892 INFO L226 Difference]: Without dead ends: 168 [2018-03-28 12:56:53,893 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:56:53,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-03-28 12:56:53,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 163. [2018-03-28 12:56:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-03-28 12:56:53,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 169 transitions. [2018-03-28 12:56:53,906 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 169 transitions. Word has length 9 [2018-03-28 12:56:53,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:56:53,907 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 169 transitions. [2018-03-28 12:56:53,907 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:56:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 169 transitions. [2018-03-28 12:56:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-03-28 12:56:53,907 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:53,908 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:56:53,908 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:53,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1523848588, 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 [2018-03-28 12:56:53,915 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:53,932 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:53,936 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 [2018-03-28 12:56:53,936 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:53,938 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:53,938 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:56:53,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:53,959 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:53,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:53,998 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:53,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:56:53,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:56:53,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:56:53,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:56:54,000 INFO L87 Difference]: Start difference. First operand 163 states and 169 transitions. Second operand 4 states. [2018-03-28 12:56:54,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:56:54,136 INFO L93 Difference]: Finished difference Result 188 states and 196 transitions. [2018-03-28 12:56:54,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:56:54,137 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-03-28 12:56:54,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:56:54,139 INFO L225 Difference]: With dead ends: 188 [2018-03-28 12:56:54,139 INFO L226 Difference]: Without dead ends: 185 [2018-03-28 12:56:54,139 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:56:54,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-03-28 12:56:54,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 168. [2018-03-28 12:56:54,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-03-28 12:56:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 176 transitions. [2018-03-28 12:56:54,150 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 176 transitions. Word has length 13 [2018-03-28 12:56:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:56:54,150 INFO L459 AbstractCegarLoop]: Abstraction has 168 states and 176 transitions. [2018-03-28 12:56:54,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:56:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 176 transitions. [2018-03-28 12:56:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-03-28 12:56:54,151 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:54,151 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:56:54,151 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:54,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1523848589, 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 [2018-03-28 12:56:54,157 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:54,169 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:54,173 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 [2018-03-28 12:56:54,173 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,177 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,177 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:56:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:54,200 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:54,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:54,243 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:54,243 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 12:56:54,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:56:54,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:56:54,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:56:54,244 INFO L87 Difference]: Start difference. First operand 168 states and 176 transitions. Second operand 6 states. [2018-03-28 12:56:54,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:56:54,412 INFO L93 Difference]: Finished difference Result 173 states and 182 transitions. [2018-03-28 12:56:54,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:56:54,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-03-28 12:56:54,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:56:54,413 INFO L225 Difference]: With dead ends: 173 [2018-03-28 12:56:54,414 INFO L226 Difference]: Without dead ends: 171 [2018-03-28 12:56:54,414 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:56:54,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-03-28 12:56:54,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 166. [2018-03-28 12:56:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-03-28 12:56:54,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 174 transitions. [2018-03-28 12:56:54,426 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 174 transitions. Word has length 13 [2018-03-28 12:56:54,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:56:54,426 INFO L459 AbstractCegarLoop]: Abstraction has 166 states and 174 transitions. [2018-03-28 12:56:54,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:56:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 174 transitions. [2018-03-28 12:56:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:56:54,427 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:54,427 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] [2018-03-28 12:56:54,427 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:54,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1964962700, 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 [2018-03-28 12:56:54,434 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:54,458 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:54,463 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 [2018-03-28 12:56:54,463 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,466 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:56:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:54,483 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:54,530 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:54,530 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:56:54,530 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:56:54,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:56:54,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:56:54,531 INFO L87 Difference]: Start difference. First operand 166 states and 174 transitions. Second operand 4 states. [2018-03-28 12:56:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:56:54,627 INFO L93 Difference]: Finished difference Result 166 states and 174 transitions. [2018-03-28 12:56:54,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:56:54,628 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-03-28 12:56:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:56:54,629 INFO L225 Difference]: With dead ends: 166 [2018-03-28 12:56:54,629 INFO L226 Difference]: Without dead ends: 161 [2018-03-28 12:56:54,629 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:56:54,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-03-28 12:56:54,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-03-28 12:56:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-03-28 12:56:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 169 transitions. [2018-03-28 12:56:54,638 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 169 transitions. Word has length 25 [2018-03-28 12:56:54,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:56:54,638 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 169 transitions. [2018-03-28 12:56:54,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:56:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 169 transitions. [2018-03-28 12:56:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:56:54,639 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:54,640 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] [2018-03-28 12:56:54,640 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:54,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1964962701, 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 [2018-03-28 12:56:54,647 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:54,672 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:54,680 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 [2018-03-28 12:56:54,681 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,684 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:56:54,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:54,701 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:54,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:54,746 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:54,746 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 12:56:54,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:56:54,747 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:56:54,747 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:56:54,747 INFO L87 Difference]: Start difference. First operand 161 states and 169 transitions. Second operand 6 states. [2018-03-28 12:56:54,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:56:54,831 INFO L93 Difference]: Finished difference Result 161 states and 169 transitions. [2018-03-28 12:56:54,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:56:54,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-03-28 12:56:54,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:56:54,832 INFO L225 Difference]: With dead ends: 161 [2018-03-28 12:56:54,832 INFO L226 Difference]: Without dead ends: 156 [2018-03-28 12:56:54,833 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:56:54,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-03-28 12:56:54,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-03-28 12:56:54,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-03-28 12:56:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 164 transitions. [2018-03-28 12:56:54,845 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 164 transitions. Word has length 25 [2018-03-28 12:56:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:56:54,845 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 164 transitions. [2018-03-28 12:56:54,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:56:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 164 transitions. [2018-03-28 12:56:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-03-28 12:56:54,846 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:54,847 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] [2018-03-28 12:56:54,847 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:54,847 INFO L82 PathProgramCache]: Analyzing trace with hash 784301688, 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 [2018-03-28 12:56:54,852 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:54,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:54,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:54,877 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 [2018-03-28 12:56:54,877 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,880 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-03-28 12:56:54,908 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 [2018-03-28 12:56:54,908 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:54,912 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-03-28 12:56:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:54,935 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:54,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:55,011 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:55,012 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 12 [2018-03-28 12:56:55,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-03-28 12:56:55,012 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-03-28 12:56:55,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-03-28 12:56:55,013 INFO L87 Difference]: Start difference. First operand 156 states and 164 transitions. Second operand 13 states. [2018-03-28 12:56:55,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:56:55,364 INFO L93 Difference]: Finished difference Result 253 states and 273 transitions. [2018-03-28 12:56:55,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:56:55,366 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 26 [2018-03-28 12:56:55,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:56:55,367 INFO L225 Difference]: With dead ends: 253 [2018-03-28 12:56:55,367 INFO L226 Difference]: Without dead ends: 245 [2018-03-28 12:56:55,368 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-03-28 12:56:55,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-03-28 12:56:55,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 184. [2018-03-28 12:56:55,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-03-28 12:56:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 204 transitions. [2018-03-28 12:56:55,374 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 204 transitions. Word has length 26 [2018-03-28 12:56:55,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:56:55,374 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 204 transitions. [2018-03-28 12:56:55,374 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-03-28 12:56:55,374 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 204 transitions. [2018-03-28 12:56:55,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-03-28 12:56:55,375 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:56:55,375 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] [2018-03-28 12:56:55,375 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:56:55,375 INFO L82 PathProgramCache]: Analyzing trace with hash 784301689, 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 [2018-03-28 12:56:55,380 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:56:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:56:55,401 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:56:55,418 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 [2018-03-28 12:56:55,419 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:55,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:55,422 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:56:55,444 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 [2018-03-28 12:56:55,444 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:56:55,448 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:56:55,448 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2018-03-28 12:56:55,500 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:56:55,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:56:55,507 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-28 12:56:55,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:56:55,518 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:33 [2018-03-28 12:56:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:55,558 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:56:56,149 WARN L148 SmtUtils]: Spent 279ms on a formula simplification that was a NOOP. DAG size: 14 [2018-03-28 12:56:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:56:56,302 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:56:56,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 16 [2018-03-28 12:56:56,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-28 12:56:56,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-28 12:56:56,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=219, Unknown=1, NotChecked=0, Total=272 [2018-03-28 12:56:56,303 INFO L87 Difference]: Start difference. First operand 184 states and 204 transitions. Second operand 17 states. [2018-03-28 12:56:59,024 WARN L148 SmtUtils]: Spent 342ms on a formula simplification that was a NOOP. DAG size: 23 [2018-03-28 12:57:01,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:57:01,018 INFO L93 Difference]: Finished difference Result 479 states and 513 transitions. [2018-03-28 12:57:01,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-28 12:57:01,019 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 26 [2018-03-28 12:57:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:57:01,023 INFO L225 Difference]: With dead ends: 479 [2018-03-28 12:57:01,023 INFO L226 Difference]: Without dead ends: 472 [2018-03-28 12:57:01,024 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=116, Invalid=481, Unknown=3, NotChecked=0, Total=600 [2018-03-28 12:57:01,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-03-28 12:57:01,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 219. [2018-03-28 12:57:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-03-28 12:57:01,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 241 transitions. [2018-03-28 12:57:01,041 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 241 transitions. Word has length 26 [2018-03-28 12:57:01,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:57:01,042 INFO L459 AbstractCegarLoop]: Abstraction has 219 states and 241 transitions. [2018-03-28 12:57:01,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-28 12:57:01,042 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 241 transitions. [2018-03-28 12:57:01,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-28 12:57:01,043 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:57:01,043 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:57:01,043 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:57:01,043 INFO L82 PathProgramCache]: Analyzing trace with hash 938846954, 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 [2018-03-28 12:57:01,053 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:57:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:57:01,081 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:57:01,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:57:01,092 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 [2018-03-28 12:57:01,092 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,094 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:57:01,103 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 [2018-03-28 12:57:01,103 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,105 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,110 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:28, output treesize:20 [2018-03-28 12:57:01,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 12:57:01,147 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 12:57:01,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,154 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 12:57:01,169 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,170 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 12:57:01,171 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,175 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,182 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:46, output treesize:38 [2018-03-28 12:57:01,196 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,197 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:57:01,198 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,207 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,207 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:37 [2018-03-28 12:57:01,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-03-28 12:57:01,240 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 [2018-03-28 12:57:01,240 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,246 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-03-28 12:57:01,264 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 [2018-03-28 12:57:01,265 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,269 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,278 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,278 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:59, output treesize:51 [2018-03-28 12:57:01,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-03-28 12:57:01,309 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 12:57:01,310 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 36 [2018-03-28 12:57:01,337 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 12:57:01,338 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,344 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:57:01,356 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:77, output treesize:69 [2018-03-28 12:57:01,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-03-28 12:57:01,496 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 12:57:01,498 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,510 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-28 12:57:01,514 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,520 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-03-28 12:57:01,541 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,542 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 12:57:01,542 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,562 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:01,563 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-28 12:57:01,563 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,566 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:01,571 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:83, output treesize:7 [2018-03-28 12:57:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:01,646 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:57:01,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:01,972 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:57:01,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12, 9] imperfect sequences [] total 17 [2018-03-28 12:57:01,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-03-28 12:57:01,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-03-28 12:57:01,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2018-03-28 12:57:01,974 INFO L87 Difference]: Start difference. First operand 219 states and 241 transitions. Second operand 17 states. [2018-03-28 12:57:02,233 WARN L148 SmtUtils]: Spent 109ms on a formula simplification that was a NOOP. DAG size: 42 [2018-03-28 12:57:02,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:57:02,638 INFO L93 Difference]: Finished difference Result 408 states and 451 transitions. [2018-03-28 12:57:02,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-28 12:57:02,638 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 38 [2018-03-28 12:57:02,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:57:02,640 INFO L225 Difference]: With dead ends: 408 [2018-03-28 12:57:02,640 INFO L226 Difference]: Without dead ends: 219 [2018-03-28 12:57:02,642 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=132, Invalid=468, Unknown=0, NotChecked=0, Total=600 [2018-03-28 12:57:02,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-03-28 12:57:02,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-03-28 12:57:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-03-28 12:57:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 240 transitions. [2018-03-28 12:57:02,651 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 240 transitions. Word has length 38 [2018-03-28 12:57:02,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:57:02,651 INFO L459 AbstractCegarLoop]: Abstraction has 219 states and 240 transitions. [2018-03-28 12:57:02,651 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-03-28 12:57:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 240 transitions. [2018-03-28 12:57:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:57:02,652 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:57:02,652 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:57:02,653 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:57:02,653 INFO L82 PathProgramCache]: Analyzing trace with hash -1705971385, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:57:02,659 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:57:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:57:02,690 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:57:02,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:57:02,710 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 10 treesize of output 9 [2018-03-28 12:57:02,710 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,712 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:57:02,722 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 10 treesize of output 9 [2018-03-28 12:57:02,722 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,723 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,728 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,729 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-03-28 12:57:02,740 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:02,740 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:02,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:57:02,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,746 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-03-28 12:57:02,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-03-28 12:57:02,774 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 [2018-03-28 12:57:02,774 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,801 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 22 [2018-03-28 12:57:02,803 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 [2018-03-28 12:57:02,803 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,808 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,815 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:48, output treesize:40 [2018-03-28 12:57:02,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-03-28 12:57:02,842 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:02,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 12:57:02,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-03-28 12:57:02,869 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:02,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 12:57:02,870 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,875 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:02,885 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:57:02,886 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:66, output treesize:58 [2018-03-28 12:57:03,013 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-03-28 12:57:03,016 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:03,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 12:57:03,017 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:03,025 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:03,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 12:57:03,027 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:03,030 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:03,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2018-03-28 12:57:03,051 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:03,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-03-28 12:57:03,052 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:03,060 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:03,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-03-28 12:57:03,061 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:03,063 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:03,071 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:03,071 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:82, output treesize:7 [2018-03-28 12:57:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:03,106 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:57:05,264 WARN L148 SmtUtils]: Spent 2014ms on a formula simplification that was a NOOP. DAG size: 34 [2018-03-28 12:57:05,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-03-28 12:57:05,391 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 12:57:05,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:05,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:05,409 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-03-28 12:57:05,430 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 12:57:05,430 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:05,436 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:05,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-28 12:57:05,450 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:55, output treesize:27 [2018-03-28 12:57:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:05,511 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:57:05,511 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15, 13] imperfect sequences [] total 22 [2018-03-28 12:57:05,511 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-03-28 12:57:05,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-03-28 12:57:05,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=380, Unknown=3, NotChecked=0, Total=462 [2018-03-28 12:57:05,512 INFO L87 Difference]: Start difference. First operand 219 states and 240 transitions. Second operand 22 states. [2018-03-28 12:57:05,813 WARN L148 SmtUtils]: Spent 124ms on a formula simplification that was a NOOP. DAG size: 41 [2018-03-28 12:57:06,444 WARN L148 SmtUtils]: Spent 528ms on a formula simplification that was a NOOP. DAG size: 53 [2018-03-28 12:57:06,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:57:06,872 INFO L93 Difference]: Finished difference Result 431 states and 472 transitions. [2018-03-28 12:57:06,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-03-28 12:57:06,872 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2018-03-28 12:57:06,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:57:06,874 INFO L225 Difference]: With dead ends: 431 [2018-03-28 12:57:06,874 INFO L226 Difference]: Without dead ends: 250 [2018-03-28 12:57:06,875 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=234, Invalid=951, Unknown=5, NotChecked=0, Total=1190 [2018-03-28 12:57:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-03-28 12:57:06,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 208. [2018-03-28 12:57:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-03-28 12:57:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 226 transitions. [2018-03-28 12:57:06,888 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 226 transitions. Word has length 40 [2018-03-28 12:57:06,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:57:06,889 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 226 transitions. [2018-03-28 12:57:06,889 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-03-28 12:57:06,889 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 226 transitions. [2018-03-28 12:57:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-03-28 12:57:06,890 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:57:06,890 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:57:06,890 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:57:06,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1496757513, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:57:06,901 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:57:06,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:57:06,925 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:57:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:06,965 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:57:06,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:07,008 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:57:07,008 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-03-28 12:57:07,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:57:07,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:57:07,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:57:07,009 INFO L87 Difference]: Start difference. First operand 208 states and 226 transitions. Second operand 4 states. [2018-03-28 12:57:07,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:57:07,036 INFO L93 Difference]: Finished difference Result 293 states and 313 transitions. [2018-03-28 12:57:07,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:57:07,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 49 [2018-03-28 12:57:07,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:57:07,038 INFO L225 Difference]: With dead ends: 293 [2018-03-28 12:57:07,038 INFO L226 Difference]: Without dead ends: 221 [2018-03-28 12:57:07,039 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:57:07,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-03-28 12:57:07,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 202. [2018-03-28 12:57:07,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-03-28 12:57:07,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 216 transitions. [2018-03-28 12:57:07,050 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 216 transitions. Word has length 49 [2018-03-28 12:57:07,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:57:07,051 INFO L459 AbstractCegarLoop]: Abstraction has 202 states and 216 transitions. [2018-03-28 12:57:07,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:57:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 216 transitions. [2018-03-28 12:57:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-03-28 12:57:07,052 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:57:07,053 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:57:07,053 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:57:07,053 INFO L82 PathProgramCache]: Analyzing trace with hash -855864649, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:57:07,062 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:57:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:57:07,095 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:57:07,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:57:07,120 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,124 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,125 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:16 [2018-03-28 12:57:07,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:57:07,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2018-03-28 12:57:07,148 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,149 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,155 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,155 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2018-03-28 12:57:07,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-03-28 12:57:07,183 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-03-28 12:57:07,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,188 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,193 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,193 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2018-03-28 12:57:07,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 40 [2018-03-28 12:57:07,221 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,223 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 53 [2018-03-28 12:57:07,234 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 4 xjuncts. [2018-03-28 12:57:07,275 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 27 treesize of output 26 [2018-03-28 12:57:07,275 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,296 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:07,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:07,317 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:44, output treesize:123 [2018-03-28 12:57:07,361 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2018-03-28 12:57:07,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 27 [2018-03-28 12:57:07,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,374 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 78 [2018-03-28 12:57:07,435 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 95 [2018-03-28 12:57:07,437 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,471 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,473 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,473 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,480 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 99 [2018-03-28 12:57:07,482 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:57:07,527 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:57:07,556 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-28 12:57:07,587 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-28 12:57:07,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-03-28 12:57:07,658 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,658 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,659 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,659 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:07,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 60 [2018-03-28 12:57:07,660 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,674 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:07,720 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 4 xjuncts. [2018-03-28 12:57:07,721 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 4 variables, input treesize:182, output treesize:225 [2018-03-28 12:57:08,070 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 63 treesize of output 60 [2018-03-28 12:57:08,071 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 37 [2018-03-28 12:57:08,147 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 79 [2018-03-28 12:57:08,193 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2018-03-28 12:57:08,234 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:188, output treesize:177 [2018-03-28 12:57:08,360 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-03-28 12:57:08,360 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 75 [2018-03-28 12:57:08,415 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:08,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 52 [2018-03-28 12:57:08,417 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,450 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:08,451 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2018-03-28 12:57:08,451 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,497 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:08,498 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:08,499 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 70 [2018-03-28 12:57:08,500 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,538 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:57:08,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-03-28 12:57:08,575 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:08,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-03-28 12:57:08,576 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,583 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:08,612 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:08,612 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:197, output treesize:84 [2018-03-28 12:57:08,782 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:08,782 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:57:09,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 17 [2018-03-28 12:57:09,572 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:09,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 8 [2018-03-28 12:57:09,573 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:57:09,575 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 44 [2018-03-28 12:57:09,621 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:57:09,621 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2018-03-28 12:57:09,638 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:09,639 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 42 [2018-03-28 12:57:09,639 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,652 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2018-03-28 12:57:09,662 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:09,663 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:09,663 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:09,663 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:09,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 56 [2018-03-28 12:57:09,686 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:09,687 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-03-28 12:57:09,687 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,694 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,696 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,698 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:09,705 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 6 variables, input treesize:78, output treesize:7 [2018-03-28 12:57:10,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 56 [2018-03-28 12:57:10,191 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 18 [2018-03-28 12:57:10,194 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-03-28 12:57:10,195 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,202 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 38 [2018-03-28 12:57:10,235 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 16 treesize of output 20 [2018-03-28 12:57:10,261 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 15 treesize of output 6 [2018-03-28 12:57:10,262 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-03-28 12:57:10,274 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,280 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,330 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-03-28 12:57:10,331 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,346 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2018-03-28 12:57:10,386 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,387 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-03-28 12:57:10,387 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,461 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-28 12:57:10,461 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,502 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-03-28 12:57:10,511 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,519 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:10,531 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:10,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2018-03-28 12:57:10,569 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 43 treesize of output 43 [2018-03-28 12:57:10,571 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 42 [2018-03-28 12:57:10,572 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,578 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,580 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 23 treesize of output 26 [2018-03-28 12:57:10,583 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-03-28 12:57:10,584 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,589 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-03-28 12:57:10,612 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 55 [2018-03-28 12:57:10,691 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,708 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 46 [2018-03-28 12:57:10,709 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,710 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 34 [2018-03-28 12:57:10,720 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2018-03-28 12:57:10,772 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,774 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,779 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 24 [2018-03-28 12:57:10,779 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 17 [2018-03-28 12:57:10,816 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,819 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,824 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 20 [2018-03-28 12:57:10,824 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,844 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-03-28 12:57:10,857 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-03-28 12:57:10,862 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2018-03-28 12:57:10,865 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 24 treesize of output 18 [2018-03-28 12:57:10,866 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,877 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-03-28 12:57:10,878 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:10,889 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:10,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-03-28 12:57:10,901 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:10,910 INFO L267 ElimStorePlain]: Start of recursive call 27: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:10,938 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-03-28 12:57:11,064 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 69 [2018-03-28 12:57:11,101 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 18 [2018-03-28 12:57:11,103 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-03-28 12:57:11,104 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,108 INFO L267 ElimStorePlain]: Start of recursive call 32: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2018-03-28 12:57:11,135 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,142 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-03-28 12:57:11,143 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:11,157 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,158 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 15 [2018-03-28 12:57:11,158 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,167 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-03-28 12:57:11,168 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,173 INFO L267 ElimStorePlain]: Start of recursive call 34: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:11,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 38 [2018-03-28 12:57:11,178 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 16 treesize of output 20 [2018-03-28 12:57:11,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2018-03-28 12:57:11,192 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,194 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:57:11,194 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,195 INFO L267 ElimStorePlain]: Start of recursive call 39: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,201 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,202 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 5 [2018-03-28 12:57:11,202 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,204 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,219 INFO L267 ElimStorePlain]: Start of recursive call 31: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:11,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 76 [2018-03-28 12:57:11,265 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 43 treesize of output 43 [2018-03-28 12:57:11,267 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 42 [2018-03-28 12:57:11,268 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,276 INFO L267 ElimStorePlain]: Start of recursive call 44: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,278 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 23 treesize of output 26 [2018-03-28 12:57:11,281 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-03-28 12:57:11,281 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,286 INFO L267 ElimStorePlain]: Start of recursive call 46: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-03-28 12:57:11,313 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 31 treesize of output 55 [2018-03-28 12:57:11,381 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 20 [2018-03-28 12:57:11,386 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:11,387 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:57:11,388 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,422 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 4 case distinctions, treesize of input 29 treesize of output 46 [2018-03-28 12:57:11,439 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:11,474 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,475 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2018-03-28 12:57:11,478 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,496 INFO L267 ElimStorePlain]: Start of recursive call 49: 3 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:57:11,509 INFO L267 ElimStorePlain]: Start of recursive call 48: 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:57:11,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 29 [2018-03-28 12:57:11,518 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 24 [2018-03-28 12:57:11,526 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:11,541 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 24 treesize of output 18 [2018-03-28 12:57:11,541 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,552 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:11,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 9 [2018-03-28 12:57:11,553 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:11,560 INFO L267 ElimStorePlain]: Start of recursive call 54: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:57:11,584 INFO L267 ElimStorePlain]: Start of recursive call 43: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-28 12:57:11,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 11 xjuncts. [2018-03-28 12:57:11,701 INFO L202 ElimStorePlain]: Needed 57 recursive calls to eliminate 5 variables, input treesize:144, output treesize:247 [2018-03-28 12:57:13,387 WARN L151 SmtUtils]: Spent 1627ms on a formula simplification. DAG size of input: 71 DAG size of output 69 [2018-03-28 12:57:13,694 WARN L151 SmtUtils]: Spent 178ms on a formula simplification. DAG size of input: 69 DAG size of output 69 [2018-03-28 12:57:13,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 34 [2018-03-28 12:57:13,718 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-03-28 12:57:13,719 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:13,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:57:13,721 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:13,733 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:57:13,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2018-03-28 12:57:13,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-03-28 12:57:13,802 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:13,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:57:13,803 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:13,814 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:57:13,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2018-03-28 12:57:13,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-03-28 12:57:13,891 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:13,892 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:57:13,892 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:13,903 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:57:13,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 32 [2018-03-28 12:57:13,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 14 [2018-03-28 12:57:13,992 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:13,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:57:13,995 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:14,011 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:57:14,093 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 4 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-03-28 12:57:14,094 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 10 variables, input treesize:149, output treesize:148 [2018-03-28 12:57:14,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:14,258 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:57:14,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2018-03-28 12:57:14,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-03-28 12:57:14,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-03-28 12:57:14,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1007, Unknown=1, NotChecked=0, Total=1122 [2018-03-28 12:57:14,260 INFO L87 Difference]: Start difference. First operand 202 states and 216 transitions. Second operand 34 states. [2018-03-28 12:57:15,093 WARN L151 SmtUtils]: Spent 151ms on a formula simplification. DAG size of input: 165 DAG size of output 70 [2018-03-28 12:57:15,532 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 140 DAG size of output 61 [2018-03-28 12:57:15,742 WARN L151 SmtUtils]: Spent 136ms on a formula simplification. DAG size of input: 152 DAG size of output 66 [2018-03-28 12:57:15,958 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 160 DAG size of output 63 [2018-03-28 12:57:16,179 WARN L151 SmtUtils]: Spent 164ms on a formula simplification. DAG size of input: 167 DAG size of output 67 [2018-03-28 12:57:16,369 WARN L151 SmtUtils]: Spent 134ms on a formula simplification. DAG size of input: 160 DAG size of output 61 [2018-03-28 12:57:16,576 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 152 DAG size of output 54 [2018-03-28 12:57:16,792 WARN L151 SmtUtils]: Spent 149ms on a formula simplification. DAG size of input: 164 DAG size of output 60 [2018-03-28 12:57:17,109 WARN L151 SmtUtils]: Spent 141ms on a formula simplification. DAG size of input: 153 DAG size of output 67 [2018-03-28 12:57:21,537 WARN L151 SmtUtils]: Spent 125ms on a formula simplification. DAG size of input: 117 DAG size of output 52 [2018-03-28 12:57:21,883 WARN L151 SmtUtils]: Spent 182ms on a formula simplification. DAG size of input: 123 DAG size of output 61 [2018-03-28 12:57:22,112 WARN L151 SmtUtils]: Spent 148ms on a formula simplification. DAG size of input: 127 DAG size of output 65 [2018-03-28 12:57:22,362 WARN L151 SmtUtils]: Spent 115ms on a formula simplification. DAG size of input: 122 DAG size of output 60 [2018-03-28 12:57:22,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:57:22,524 INFO L93 Difference]: Finished difference Result 285 states and 312 transitions. [2018-03-28 12:57:22,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-03-28 12:57:22,524 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 57 [2018-03-28 12:57:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:57:22,526 INFO L225 Difference]: With dead ends: 285 [2018-03-28 12:57:22,527 INFO L226 Difference]: Without dead ends: 280 [2018-03-28 12:57:22,528 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=898, Invalid=3390, Unknown=2, NotChecked=0, Total=4290 [2018-03-28 12:57:22,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-03-28 12:57:22,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 209. [2018-03-28 12:57:22,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-03-28 12:57:22,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 221 transitions. [2018-03-28 12:57:22,543 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 221 transitions. Word has length 57 [2018-03-28 12:57:22,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:57:22,543 INFO L459 AbstractCegarLoop]: Abstraction has 209 states and 221 transitions. [2018-03-28 12:57:22,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-03-28 12:57:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 221 transitions. [2018-03-28 12:57:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-28 12:57:22,544 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:57:22,545 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:57:22,545 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:57:22,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1546292785, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:57:22,555 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:57:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:57:22,586 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:57:22,602 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| Int)) (and (= 0 (select |c_old(#valid)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base|)) (= |c_#valid| (store |c_old(#valid)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| 1)))) is different from true [2018-03-28 12:57:22,611 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:22,612 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:57:22,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:57:22,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:22,619 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:57:22,620 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-03-28 12:57:22,663 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-03-28 12:57:22,663 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:22,669 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. [2018-03-28 12:57:22,670 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:21, output treesize:20 [2018-03-28 12:57:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-03-28 12:57:22,726 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:57:22,880 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:22,880 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 2 variables, input treesize:21, output treesize:1 [2018-03-28 12:57:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:22,914 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:57:22,915 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 17 [2018-03-28 12:57:22,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-03-28 12:57:22,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-03-28 12:57:22,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=221, Unknown=1, NotChecked=30, Total=306 [2018-03-28 12:57:22,916 INFO L87 Difference]: Start difference. First operand 209 states and 221 transitions. Second operand 18 states. [2018-03-28 12:57:26,314 WARN L148 SmtUtils]: Spent 164ms on a formula simplification that was a NOOP. DAG size: 29 [2018-03-28 12:57:27,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:57:27,003 INFO L93 Difference]: Finished difference Result 266 states and 276 transitions. [2018-03-28 12:57:27,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-28 12:57:27,004 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-03-28 12:57:27,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:57:27,006 INFO L225 Difference]: With dead ends: 266 [2018-03-28 12:57:27,006 INFO L226 Difference]: Without dead ends: 264 [2018-03-28 12:57:27,006 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 97 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=133, Invalid=469, Unknown=2, NotChecked=46, Total=650 [2018-03-28 12:57:27,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-03-28 12:57:27,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 211. [2018-03-28 12:57:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-03-28 12:57:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 225 transitions. [2018-03-28 12:57:27,022 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 225 transitions. Word has length 58 [2018-03-28 12:57:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:57:27,022 INFO L459 AbstractCegarLoop]: Abstraction has 211 states and 225 transitions. [2018-03-28 12:57:27,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-03-28 12:57:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 225 transitions. [2018-03-28 12:57:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-28 12:57:27,023 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:57:27,024 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:57:27,024 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:57:27,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1546292784, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:57:27,033 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:57:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:57:27,072 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:57:27,109 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| Int)) (= |c_#length| (store |c_old(#length)| |__U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base| 9))) is different from true [2018-03-28 12:57:27,141 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 14 treesize of output 20 [2018-03-28 12:57:27,141 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-28 12:57:27,150 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. [2018-03-28 12:57:27,151 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:19 [2018-03-28 12:57:27,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 33 [2018-03-28 12:57:27,246 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2018-03-28 12:57:27,282 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. [2018-03-28 12:57:27,283 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:24 [2018-03-28 12:57:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-03-28 12:57:27,340 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:57:34,237 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:34,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 37 [2018-03-28 12:57:34,293 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:34,293 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:57:34,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-03-28 12:57:34,294 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:34,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 8 [2018-03-28 12:57:34,304 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:57:34,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:57:34,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:57:34,321 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:26, output treesize:3 [2018-03-28 12:57:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:57:34,375 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:57:34,376 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 19 [2018-03-28 12:57:34,376 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-03-28 12:57:34,376 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-03-28 12:57:34,376 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=282, Unknown=6, NotChecked=34, Total=380 [2018-03-28 12:57:34,376 INFO L87 Difference]: Start difference. First operand 211 states and 225 transitions. Second operand 20 states. [2018-03-28 12:57:36,998 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_old(#length)| |c_#length|) (forall ((v_main_~list2~0.offset_BEFORE_CALL_3 Int) (v_main_~list2~0.base_BEFORE_CALL_6 Int)) (or (exists ((|v___U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base_22| Int) (v___U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base_43 Int)) (< (select (store (store |c_old(#length)| v___U_MULTI_flength_test___true_valid_memsafety_i__append_~node~0.base_43 9) |v___U_MULTI_flength_test___true_valid_memsafety_i__append_#t~malloc2.base_22| 9) v_main_~list2~0.base_BEFORE_CALL_6) (+ v_main_~list2~0.offset_BEFORE_CALL_3 4))) (forall ((v_prenex_40 Int)) (<= (+ v_main_~list2~0.offset_BEFORE_CALL_3 4) (select (store |c_#length| v_prenex_40 9) v_main_~list2~0.base_BEFORE_CALL_6))) (< v_main_~list2~0.offset_BEFORE_CALL_3 0)))) is different from false [2018-03-28 12:58:00,166 WARN L148 SmtUtils]: Spent 14546ms on a formula simplification that was a NOOP. DAG size: 36 [2018-03-28 12:58:09,454 WARN L148 SmtUtils]: Spent 3078ms on a formula simplification that was a NOOP. DAG size: 43 [2018-03-28 12:58:19,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:19,742 INFO L93 Difference]: Finished difference Result 214 states and 225 transitions. [2018-03-28 12:58:19,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:58:19,742 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 58 [2018-03-28 12:58:19,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:19,743 INFO L225 Difference]: With dead ends: 214 [2018-03-28 12:58:19,743 INFO L226 Difference]: Without dead ends: 212 [2018-03-28 12:58:19,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 98 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 41.0s TimeCoverageRelationStatistics Valid=120, Invalid=528, Unknown=10, NotChecked=98, Total=756 [2018-03-28 12:58:19,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-03-28 12:58:19,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 209. [2018-03-28 12:58:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-03-28 12:58:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 223 transitions. [2018-03-28 12:58:19,754 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 223 transitions. Word has length 58 [2018-03-28 12:58:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:19,754 INFO L459 AbstractCegarLoop]: Abstraction has 209 states and 223 transitions. [2018-03-28 12:58:19,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-03-28 12:58:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2018-03-28 12:58:19,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-28 12:58:19,755 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:19,755 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:19,755 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:19,755 INFO L82 PathProgramCache]: Analyzing trace with hash -2083974182, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:58:19,761 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:19,791 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:19,854 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-03-28 12:58:19,856 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:19,864 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,865 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,865 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:58:19,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:19,872 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:58:19,872 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:30, output treesize:27 [2018-03-28 12:58:19,914 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,914 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 30 [2018-03-28 12:58:19,916 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:19,928 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,929 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,929 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:19,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-03-28 12:58:19,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:19,936 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:58:19,937 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:38, output treesize:30 [2018-03-28 12:58:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:19,995 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:23,501 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:23,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 34 [2018-03-28 12:58:23,524 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 11 treesize of output 4 [2018-03-28 12:58:23,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:23,530 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:23,531 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:23,531 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-03-28 12:58:23,531 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:23,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:58:23,540 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 2 xjuncts. [2018-03-28 12:58:23,541 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:36, output treesize:33 [2018-03-28 12:58:23,573 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:23,574 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 2 variables, input treesize:22, output treesize:1 [2018-03-28 12:58:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:23,611 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:58:23,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 21 [2018-03-28 12:58:23,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-03-28 12:58:23,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-03-28 12:58:23,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=391, Unknown=2, NotChecked=0, Total=462 [2018-03-28 12:58:23,612 INFO L87 Difference]: Start difference. First operand 209 states and 223 transitions. Second operand 22 states. [2018-03-28 12:58:24,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:24,789 INFO L93 Difference]: Finished difference Result 258 states and 268 transitions. [2018-03-28 12:58:24,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 12:58:24,789 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 61 [2018-03-28 12:58:24,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:24,790 INFO L225 Difference]: With dead ends: 258 [2018-03-28 12:58:24,790 INFO L226 Difference]: Without dead ends: 256 [2018-03-28 12:58:24,790 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 85 SyntacticMatches, 16 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=124, Invalid=576, Unknown=2, NotChecked=0, Total=702 [2018-03-28 12:58:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-03-28 12:58:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 203. [2018-03-28 12:58:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-03-28 12:58:24,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 215 transitions. [2018-03-28 12:58:24,807 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 215 transitions. Word has length 61 [2018-03-28 12:58:24,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:24,807 INFO L459 AbstractCegarLoop]: Abstraction has 203 states and 215 transitions. [2018-03-28 12:58:24,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-03-28 12:58:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 215 transitions. [2018-03-28 12:58:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-28 12:58:24,808 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:24,808 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:24,808 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:24,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1651039156, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:58:24,817 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:24,852 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:24,905 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:24,906 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:24,907 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:58:24,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:24,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:58:24,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:24,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:24,935 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-03-28 12:58:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:25,009 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:25,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-03-28 12:58:25,141 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:25,145 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:25,145 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:25,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-03-28 12:58:25,146 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:25,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:25,148 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:3 [2018-03-28 12:58:25,193 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2018-03-28 12:58:25,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-28 12:58:25,201 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-03-28 12:58:25,201 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:29 [2018-03-28 12:58:25,232 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:25,232 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:25,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-03-28 12:58:25,233 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:25,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:25,236 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:3 [2018-03-28 12:58:25,250 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:25,271 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:58:25,271 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 19 [2018-03-28 12:58:25,271 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-03-28 12:58:25,271 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-03-28 12:58:25,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2018-03-28 12:58:25,272 INFO L87 Difference]: Start difference. First operand 203 states and 215 transitions. Second operand 20 states. [2018-03-28 12:58:25,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:25,867 INFO L93 Difference]: Finished difference Result 219 states and 231 transitions. [2018-03-28 12:58:25,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-28 12:58:25,868 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 61 [2018-03-28 12:58:25,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:25,869 INFO L225 Difference]: With dead ends: 219 [2018-03-28 12:58:25,869 INFO L226 Difference]: Without dead ends: 218 [2018-03-28 12:58:25,870 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=160, Invalid=710, Unknown=0, NotChecked=0, Total=870 [2018-03-28 12:58:25,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-03-28 12:58:25,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 197. [2018-03-28 12:58:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-03-28 12:58:25,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 208 transitions. [2018-03-28 12:58:25,881 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 208 transitions. Word has length 61 [2018-03-28 12:58:25,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:25,881 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 208 transitions. [2018-03-28 12:58:25,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-03-28 12:58:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 208 transitions. [2018-03-28 12:58:25,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-03-28 12:58:25,881 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:25,882 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:25,882 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_flength_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr23RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr18RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr9RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr12RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr21RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr22RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr15RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr25RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr14RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr19RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr8RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr11RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr24RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr16RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr13RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr17RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr20RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr5RequiresViolation, __U_MULTI_flength_test___true_valid_memsafety_i__appendErr10RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr25AssertViolationMEMORY_FREE, mainErr14AssertViolationMEMORY_FREE, mainErr18RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr28EnsuresViolationMEMORY_LEAK, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr23AssertViolationMEMORY_FREE, mainErr9RequiresViolation, mainErr22AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr26AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr15AssertViolationMEMORY_FREE, mainErr27AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:25,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1089881476, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:58:25,887 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:25,920 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:25,930 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 [2018-03-28 12:58:25,930 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:25,934 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:25,934 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-03-28 12:58:26,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:58:26,008 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 10 treesize of output 9 [2018-03-28 12:58:26,008 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:58:26,017 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:31 [2018-03-28 12:58:26,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 35 [2018-03-28 12:58:26,049 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 24 treesize of output 23 [2018-03-28 12:58:26,050 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,069 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 2 case distinctions, treesize of input 21 treesize of output 30 [2018-03-28 12:58:26,069 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:58:26,081 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:58:26,098 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-28 12:58:26,099 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:44, output treesize:77 [2018-03-28 12:58:26,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 74 treesize of output 71 [2018-03-28 12:58:26,182 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,192 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 60 [2018-03-28 12:58:26,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:58:26,251 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 72 [2018-03-28 12:58:26,252 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,282 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:58:26,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 36 [2018-03-28 12:58:26,329 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 27 [2018-03-28 12:58:26,330 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,339 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,374 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-03-28 12:58:26,374 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:116, output treesize:141 [2018-03-28 12:58:26,673 WARN L148 SmtUtils]: Spent 272ms on a formula simplification that was a NOOP. DAG size: 61 [2018-03-28 12:58:26,678 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-03-28 12:58:26,679 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,696 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,697 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 10 [2018-03-28 12:58:26,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:58:26,718 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:165, output treesize:66 [2018-03-28 12:58:26,809 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,809 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,810 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:26,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 52 [2018-03-28 12:58:26,811 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,825 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. [2018-03-28 12:58:26,826 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:85 [2018-03-28 12:58:26,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-03-28 12:58:26,911 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 10 treesize of output 9 [2018-03-28 12:58:26,912 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,922 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:26,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:58:26,941 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:98, output treesize:85 [2018-03-28 12:58:27,030 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 73 [2018-03-28 12:58:27,045 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 10 treesize of output 9 [2018-03-28 12:58:27,046 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:27,056 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:27,075 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-03-28 12:58:27,075 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:98, output treesize:94 [2018-03-28 12:58:27,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 65 [2018-03-28 12:58:27,138 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:27,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2018-03-28 12:58:27,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:27,149 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:27,150 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 8 [2018-03-28 12:58:27,150 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:27,157 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 7 treesize of output 1 [2018-03-28 12:58:27,157 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:27,160 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:27,170 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:58:27,170 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:103, output treesize:28 [2018-03-28 12:58:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:27,216 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:29,699 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:29,701 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:29,703 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:29,704 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 292 [2018-03-28 12:58:29,704 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:29,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 283 treesize of output 174 [2018-03-28 12:58:29,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-28 12:58:29,819 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:29,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 128 treesize of output 122 [2018-03-28 12:58:29,962 WARN L151 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 110 DAG size of output 65 [2018-03-28 12:58:29,974 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 62 [2018-03-28 12:58:29,976 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:29,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 61 [2018-03-28 12:58:29,977 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,006 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 69 [2018-03-28 12:58:30,018 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-03-28 12:58:30,050 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:58:30,115 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 57 treesize of output 60 [2018-03-28 12:58:30,116 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,117 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 28 [2018-03-28 12:58:30,117 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,127 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 49 [2018-03-28 12:58:30,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 17 [2018-03-28 12:58:30,183 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,189 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2018-03-28 12:58:30,190 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,193 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2018-03-28 12:58:30,241 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,244 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,247 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 72 [2018-03-28 12:58:30,262 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2018-03-28 12:58:30,292 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:58:30,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-03-28 12:58:30,295 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,297 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2018-03-28 12:58:30,303 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-03-28 12:58:30,318 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:58:30,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 43 [2018-03-28 12:58:30,322 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:30,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 38 [2018-03-28 12:58:30,333 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-03-28 12:58:30,345 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:58:30,405 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-28 12:58:30,429 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-03-28 12:58:30,461 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-28 12:58:30,461 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 8 variables, input treesize:131, output treesize:59 [2018-03-28 12:58:30,537 WARN L152 XnfTransformerHelper]: Simplifying disjunction of 7225 conjuctions. This might take some time... [2018-03-28 12:58:33,302 INFO L170 XnfTransformerHelper]: Simplified to disjunction of 7225 conjuctions. [2018-03-28 12:58:33,923 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 7225 Received shutdown request... [2018-03-28 12:59:16,899 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-03-28 12:59:16,899 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-28 12:59:16,904 WARN L197 ceAbstractionStarter]: Timeout [2018-03-28 12:59:16,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:59:16 BoogieIcfgContainer [2018-03-28 12:59:16,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 12:59:16,905 INFO L168 Benchmark]: Toolchain (without parser) took 145111.03 ms. Allocated memory was 306.2 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 243.8 MB in the beginning and 487.2 MB in the end (delta: -243.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. [2018-03-28 12:59:16,906 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 306.2 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:59:16,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.02 ms. Allocated memory is still 306.2 MB. Free memory was 243.8 MB in the beginning and 217.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-03-28 12:59:16,906 INFO L168 Benchmark]: Boogie Preprocessor took 60.42 ms. Allocated memory is still 306.2 MB. Free memory was 217.4 MB in the beginning and 214.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:59:16,906 INFO L168 Benchmark]: RCFGBuilder took 725.16 ms. Allocated memory was 306.2 MB in the beginning and 471.9 MB in the end (delta: 165.7 MB). Free memory was 214.4 MB in the beginning and 388.1 MB in the end (delta: -173.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:59:16,907 INFO L168 Benchmark]: TraceAbstraction took 143988.79 ms. Allocated memory was 471.9 MB in the beginning and 2.1 GB in the end (delta: 1.6 GB). Free memory was 388.1 MB in the beginning and 487.2 MB in the end (delta: -99.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. [2018-03-28 12:59:16,908 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 306.2 MB. Free memory is still 268.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 331.02 ms. Allocated memory is still 306.2 MB. Free memory was 243.8 MB in the beginning and 217.4 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 60.42 ms. Allocated memory is still 306.2 MB. Free memory was 217.4 MB in the beginning and 214.4 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 725.16 ms. Allocated memory was 306.2 MB in the beginning and 471.9 MB in the end (delta: 165.7 MB). Free memory was 214.4 MB in the beginning and 388.1 MB in the end (delta: -173.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 143988.79 ms. Allocated memory was 471.9 MB in the beginning and 2.1 GB in the end (delta: 1.6 GB). Free memory was 388.1 MB in the beginning and 487.2 MB in the end (delta: -99.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 543). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 541]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 541). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 546]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 546). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 549]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 549). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 551]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 551). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 542]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 542). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 545]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 545). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 575]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 575). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 589]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 576]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 576). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 580]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 580). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 556]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 582]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 582). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 554]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 554). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 557]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 557). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 575]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 575). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 580]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 580). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 589]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 589). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 556]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 556). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 583]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 583). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 572]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 583]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 583). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 582]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 582). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 573]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 573). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 590]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 590). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 572]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 572). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 573]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 573). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 576]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 576). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - TimeoutResultAtElement [Line: 590]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 590). Cancelled while BasicCegarLoop was analyzing trace of length 67 with TraceHistMax 2, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 1 quantifier alternations, while CnfTransformerHelper was transforming 7225 disjunction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 180 locations, 55 error locations. TIMEOUT Result, 143.9s OverallTime, 17 OverallIterations, 2 TraceHistogramMax, 67.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2112 SDtfs, 4730 SDslu, 10808 SDs, 0 SdLazy, 6085 SolverSat, 407 SolverUnsat, 20 SolverUnknown, 0 SolverNotchecked, 22.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1228 GetRequests, 905 SyntacticMatches, 36 SemanticMatches, 287 ConstructedPredicates, 3 IntricatePredicates, 1 DeprecatedPredicates, 1980 ImplicationChecksByTransitivity, 62.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=219occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 651 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1104 ConstructedInterpolants, 353 QuantifiedInterpolants, 943018 SizeOfPredicates, 131 NumberOfNonLiveVariables, 2384 ConjunctsInSsa, 290 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 14/98 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_12-59-16-918.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/length_test03_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_12-59-16-918.csv Completed graceful shutdown