java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 09:56:31,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 09:56:31,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 09:56:31,273 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 09:56:31,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 09:56:31,274 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 09:56:31,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 09:56:31,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 09:56:31,278 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 09:56:31,279 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 09:56:31,280 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 09:56:31,280 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 09:56:31,281 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 09:56:31,281 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 09:56:31,282 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 09:56:31,284 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 09:56:31,285 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 09:56:31,286 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 09:56:31,287 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 09:56:31,288 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 09:56:31,290 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 09:56:31,295 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 09:56:31,315 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 09:56:31,316 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 09:56:31,317 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 09:56:31,317 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 09:56:31,317 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 09:56:31,317 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 09:56:31,317 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 09:56:31,318 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 09:56:31,318 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 09:56:31,318 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 09:56:31,318 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 09:56:31,318 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 09:56:31,318 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 09:56:31,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 09:56:31,319 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 09:56:31,319 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 09:56:31,319 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 09:56:31,319 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 09:56:31,319 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 09:56:31,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:56:31,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 09:56:31,320 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 09:56:31,320 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 09:56:31,320 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 09:56:31,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 09:56:31,360 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 09:56:31,364 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 09:56:31,366 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 09:56:31,366 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 09:56:31,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,650 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9f6a7d9d0 [2018-04-11 09:56:31,772 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 09:56:31,772 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 09:56:31,773 INFO L168 CDTParser]: Scanning cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,781 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 09:56:31,781 INFO L215 ultiparseSymbolTable]: [2018-04-11 09:56:31,782 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 09:56:31,782 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 09:56:31,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,782 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,783 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,784 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,785 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,786 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,787 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,788 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,789 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,790 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,791 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:31,804 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9f6a7d9d0 [2018-04-11 09:56:31,807 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 09:56:31,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 09:56:31,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 09:56:31,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 09:56:31,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 09:56:31,813 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:56:31" (1/1) ... [2018-04-11 09:56:31,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a77ade1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:31, skipping insertion in model container [2018-04-11 09:56:31,815 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:56:31" (1/1) ... [2018-04-11 09:56:31,825 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:56:31,841 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 09:56:31,961 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:56:31,992 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 09:56:31,998 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 09:56:32,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32 WrapperNode [2018-04-11 09:56:32,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 09:56:32,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 09:56:32,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 09:56:32,034 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 09:56:32,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... [2018-04-11 09:56:32,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... [2018-04-11 09:56:32,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... [2018-04-11 09:56:32,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... [2018-04-11 09:56:32,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... [2018-04-11 09:56:32,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... [2018-04-11 09:56:32,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... [2018-04-11 09:56:32,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 09:56:32,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 09:56:32,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 09:56:32,073 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 09:56:32,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 09:56:32,160 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 09:56:32,160 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 09:56:32,160 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:56:32,160 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:56:32,160 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrcmp [2018-04-11 09:56:32,160 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 09:56:32,160 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 09:56:32,160 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 09:56:32,161 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 09:56:32,162 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 09:56:32,163 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 09:56:32,164 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 09:56:32,165 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 09:56:32,166 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 09:56:32,167 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 09:56:32,168 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 09:56:32,169 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 09:56:32,170 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure cstrcmp [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 09:56:32,171 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 09:56:32,172 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 09:56:32,442 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 09:56:32,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:56:32 BoogieIcfgContainer [2018-04-11 09:56:32,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 09:56:32,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 09:56:32,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 09:56:32,445 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 09:56:32,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:56:31" (1/3) ... [2018-04-11 09:56:32,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1b88f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:56:32, skipping insertion in model container [2018-04-11 09:56:32,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:56:32" (2/3) ... [2018-04-11 09:56:32,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1b88f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:56:32, skipping insertion in model container [2018-04-11 09:56:32,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:56:32" (3/3) ... [2018-04-11 09:56:32,447 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 09:56:32,455 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 09:56:32,461 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 09:56:32,493 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 09:56:32,493 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 09:56:32,493 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 09:56:32,493 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 09:56:32,493 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 09:56:32,493 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 09:56:32,493 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 09:56:32,494 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 09:56:32,494 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 09:56:32,494 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 09:56:32,502 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2018-04-11 09:56:32,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 09:56:32,508 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:32,508 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:32,508 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:32,511 INFO L82 PathProgramCache]: Analyzing trace with hash 900692356, now seen corresponding path program 1 times [2018-04-11 09:56:32,512 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:32,513 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:32,545 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:32,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:32,545 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:32,586 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:32,657 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:32,657 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:56:32,658 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:56:32,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:56:32,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:56:32,668 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2018-04-11 09:56:32,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:32,764 INFO L93 Difference]: Finished difference Result 55 states and 59 transitions. [2018-04-11 09:56:32,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 09:56:32,766 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-04-11 09:56:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:32,775 INFO L225 Difference]: With dead ends: 55 [2018-04-11 09:56:32,775 INFO L226 Difference]: Without dead ends: 52 [2018-04-11 09:56:32,776 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:56:32,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-11 09:56:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-11 09:56:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 09:56:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 56 transitions. [2018-04-11 09:56:32,808 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 56 transitions. Word has length 13 [2018-04-11 09:56:32,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:32,809 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 56 transitions. [2018-04-11 09:56:32,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:56:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2018-04-11 09:56:32,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 09:56:32,809 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:32,810 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:32,810 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:32,810 INFO L82 PathProgramCache]: Analyzing trace with hash 900692357, now seen corresponding path program 1 times [2018-04-11 09:56:32,810 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:32,810 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:32,811 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:32,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:32,812 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:32,827 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:32,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:32,896 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:32,896 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 09:56:32,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 09:56:32,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 09:56:32,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:56:32,899 INFO L87 Difference]: Start difference. First operand 52 states and 56 transitions. Second operand 6 states. [2018-04-11 09:56:32,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:32,976 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-04-11 09:56:32,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 09:56:32,976 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-11 09:56:32,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:32,977 INFO L225 Difference]: With dead ends: 51 [2018-04-11 09:56:32,977 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 09:56:32,978 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-11 09:56:32,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 09:56:32,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 09:56:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 09:56:32,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-04-11 09:56:32,982 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 13 [2018-04-11 09:56:32,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:32,983 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-04-11 09:56:32,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 09:56:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-04-11 09:56:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 09:56:32,983 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:32,983 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:32,983 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:32,984 INFO L82 PathProgramCache]: Analyzing trace with hash -2143307995, now seen corresponding path program 1 times [2018-04-11 09:56:32,984 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:32,984 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:32,985 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:32,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:32,985 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:32,995 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,038 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,039 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:56:33,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 09:56:33,039 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 09:56:33,039 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 09:56:33,040 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 4 states. [2018-04-11 09:56:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:33,087 INFO L93 Difference]: Finished difference Result 50 states and 54 transitions. [2018-04-11 09:56:33,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 09:56:33,088 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 09:56:33,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:33,088 INFO L225 Difference]: With dead ends: 50 [2018-04-11 09:56:33,089 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 09:56:33,089 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:56:33,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 09:56:33,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 09:56:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 09:56:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-04-11 09:56:33,091 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 14 [2018-04-11 09:56:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:33,092 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-04-11 09:56:33,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 09:56:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-04-11 09:56:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 09:56:33,092 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:33,092 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:33,092 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:33,092 INFO L82 PathProgramCache]: Analyzing trace with hash -2143307994, now seen corresponding path program 1 times [2018-04-11 09:56:33,092 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:33,092 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:33,093 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:33,093 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:33,102 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,142 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,142 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 09:56:33,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 09:56:33,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 09:56:33,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:56:33,142 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 5 states. [2018-04-11 09:56:33,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:33,163 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2018-04-11 09:56:33,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 09:56:33,163 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-04-11 09:56:33,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:33,164 INFO L225 Difference]: With dead ends: 49 [2018-04-11 09:56:33,164 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 09:56:33,164 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:56:33,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 09:56:33,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-11 09:56:33,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 09:56:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-04-11 09:56:33,167 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 14 [2018-04-11 09:56:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:33,167 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-04-11 09:56:33,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 09:56:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-04-11 09:56:33,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 09:56:33,167 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:33,168 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:33,168 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:33,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1571754480, now seen corresponding path program 1 times [2018-04-11 09:56:33,168 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:33,168 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:33,168 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:33,169 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:33,175 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,202 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,202 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 09:56:33,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 09:56:33,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 09:56:33,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:56:33,203 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 5 states. [2018-04-11 09:56:33,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:33,255 INFO L93 Difference]: Finished difference Result 46 states and 50 transitions. [2018-04-11 09:56:33,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 09:56:33,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 09:56:33,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:33,256 INFO L225 Difference]: With dead ends: 46 [2018-04-11 09:56:33,256 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 09:56:33,256 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:56:33,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 09:56:33,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-11 09:56:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 09:56:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-04-11 09:56:33,258 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 18 [2018-04-11 09:56:33,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:33,259 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-04-11 09:56:33,259 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 09:56:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-04-11 09:56:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 09:56:33,259 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:33,259 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:33,259 INFO L408 AbstractCegarLoop]: === Iteration 6 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:33,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1571754481, now seen corresponding path program 1 times [2018-04-11 09:56:33,259 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:33,259 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:33,260 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:33,260 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:33,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,319 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,319 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 09:56:33,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 09:56:33,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 09:56:33,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 09:56:33,320 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 8 states. [2018-04-11 09:56:33,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:33,416 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2018-04-11 09:56:33,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 09:56:33,416 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-11 09:56:33,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:33,419 INFO L225 Difference]: With dead ends: 66 [2018-04-11 09:56:33,419 INFO L226 Difference]: Without dead ends: 66 [2018-04-11 09:56:33,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 09:56:33,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-11 09:56:33,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 55. [2018-04-11 09:56:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 09:56:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2018-04-11 09:56:33,424 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 18 [2018-04-11 09:56:33,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:33,425 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2018-04-11 09:56:33,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 09:56:33,425 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-04-11 09:56:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 09:56:33,425 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:33,425 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] [2018-04-11 09:56:33,425 INFO L408 AbstractCegarLoop]: === Iteration 7 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:33,425 INFO L82 PathProgramCache]: Analyzing trace with hash -353712010, now seen corresponding path program 1 times [2018-04-11 09:56:33,425 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:33,425 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:33,426 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:33,426 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:33,437 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,486 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 09:56:33,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 09:56:33,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 09:56:33,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 09:56:33,487 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 5 states. [2018-04-11 09:56:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:33,517 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2018-04-11 09:56:33,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 09:56:33,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-04-11 09:56:33,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:33,518 INFO L225 Difference]: With dead ends: 53 [2018-04-11 09:56:33,518 INFO L226 Difference]: Without dead ends: 53 [2018-04-11 09:56:33,518 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 09:56:33,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-11 09:56:33,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-11 09:56:33,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-11 09:56:33,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2018-04-11 09:56:33,522 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 22 [2018-04-11 09:56:33,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:33,522 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2018-04-11 09:56:33,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 09:56:33,522 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-04-11 09:56:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-11 09:56:33,523 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:33,523 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] [2018-04-11 09:56:33,523 INFO L408 AbstractCegarLoop]: === Iteration 8 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:33,523 INFO L82 PathProgramCache]: Analyzing trace with hash -353712009, now seen corresponding path program 1 times [2018-04-11 09:56:33,523 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:33,523 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:33,524 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:33,524 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:33,534 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,605 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,606 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-11 09:56:33,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 09:56:33,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 09:56:33,606 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 09:56:33,606 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 8 states. [2018-04-11 09:56:33,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:33,671 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2018-04-11 09:56:33,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 09:56:33,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-04-11 09:56:33,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:33,672 INFO L225 Difference]: With dead ends: 60 [2018-04-11 09:56:33,672 INFO L226 Difference]: Without dead ends: 60 [2018-04-11 09:56:33,672 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-11 09:56:33,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-11 09:56:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 55. [2018-04-11 09:56:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 09:56:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2018-04-11 09:56:33,675 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 22 [2018-04-11 09:56:33,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:33,675 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2018-04-11 09:56:33,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 09:56:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2018-04-11 09:56:33,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-11 09:56:33,675 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:33,675 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:33,676 INFO L408 AbstractCegarLoop]: === Iteration 9 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:33,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1920110756, now seen corresponding path program 1 times [2018-04-11 09:56:33,676 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:33,676 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:33,676 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:33,676 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:33,683 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,695 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,695 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 09:56:33,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 09:56:33,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 09:56:33,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 09:56:33,696 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand 3 states. [2018-04-11 09:56:33,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:33,699 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2018-04-11 09:56:33,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 09:56:33,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-04-11 09:56:33,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:33,700 INFO L225 Difference]: With dead ends: 57 [2018-04-11 09:56:33,700 INFO L226 Difference]: Without dead ends: 57 [2018-04-11 09:56:33,700 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 09:56:33,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-11 09:56:33,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-11 09:56:33,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-11 09:56:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2018-04-11 09:56:33,702 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 23 [2018-04-11 09:56:33,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:33,702 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2018-04-11 09:56:33,702 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 09:56:33,702 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2018-04-11 09:56:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 09:56:33,703 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:33,703 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:33,703 INFO L408 AbstractCegarLoop]: === Iteration 10 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:33,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1858113249, now seen corresponding path program 1 times [2018-04-11 09:56:33,703 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:33,703 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:33,704 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:33,704 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:33,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:33,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:33,877 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:33,877 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 09:56:33,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 09:56:33,877 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 09:56:33,877 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-11 09:56:33,878 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 12 states. [2018-04-11 09:56:34,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:34,070 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2018-04-11 09:56:34,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-11 09:56:34,070 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2018-04-11 09:56:34,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:34,071 INFO L225 Difference]: With dead ends: 86 [2018-04-11 09:56:34,071 INFO L226 Difference]: Without dead ends: 86 [2018-04-11 09:56:34,071 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-04-11 09:56:34,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-11 09:56:34,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 79. [2018-04-11 09:56:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-11 09:56:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2018-04-11 09:56:34,076 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 26 [2018-04-11 09:56:34,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:34,076 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2018-04-11 09:56:34,077 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 09:56:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2018-04-11 09:56:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 09:56:34,077 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:34,077 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:34,079 INFO L408 AbstractCegarLoop]: === Iteration 11 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:34,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1040464799, now seen corresponding path program 1 times [2018-04-11 09:56:34,080 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:34,080 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:34,081 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:34,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:34,081 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:34,092 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:34,242 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:34,242 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 09:56:34,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:34,275 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:34,325 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 [2018-04-11 09:56:34,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-11 09:56:34,326 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:34,327 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:34,328 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:34,329 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-11 09:56:34,453 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 30 treesize of output 30 [2018-04-11 09:56:34,458 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 26 treesize of output 19 [2018-04-11 09:56:34,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:34,467 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 19 treesize of output 12 [2018-04-11 09:56:34,467 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:34,475 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 22 treesize of output 12 [2018-04-11 09:56:34,476 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:34,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:34,492 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:34,492 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:30, output treesize:8 [2018-04-11 09:56:34,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:34,558 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-11 09:56:34,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [13] total 24 [2018-04-11 09:56:34,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 09:56:34,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 09:56:34,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2018-04-11 09:56:34,559 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand 24 states. [2018-04-11 09:56:35,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:35,458 INFO L93 Difference]: Finished difference Result 172 states and 188 transitions. [2018-04-11 09:56:35,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-11 09:56:35,458 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 26 [2018-04-11 09:56:35,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:35,459 INFO L225 Difference]: With dead ends: 172 [2018-04-11 09:56:35,459 INFO L226 Difference]: Without dead ends: 172 [2018-04-11 09:56:35,460 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=437, Invalid=2755, Unknown=0, NotChecked=0, Total=3192 [2018-04-11 09:56:35,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-04-11 09:56:35,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 113. [2018-04-11 09:56:35,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-04-11 09:56:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 126 transitions. [2018-04-11 09:56:35,466 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 126 transitions. Word has length 26 [2018-04-11 09:56:35,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:35,466 INFO L459 AbstractCegarLoop]: Abstraction has 113 states and 126 transitions. [2018-04-11 09:56:35,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 09:56:35,466 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 126 transitions. [2018-04-11 09:56:35,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 09:56:35,467 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:35,467 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] [2018-04-11 09:56:35,467 INFO L408 AbstractCegarLoop]: === Iteration 12 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:35,467 INFO L82 PathProgramCache]: Analyzing trace with hash 2021301671, now seen corresponding path program 1 times [2018-04-11 09:56:35,467 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:35,468 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:35,468 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:35,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:35,469 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:35,480 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:35,635 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:35,635 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 09:56:35,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:35,657 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:35,662 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 09:56:35,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 09:56:35,664 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:35,666 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:35,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 09:56:35,670 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 09:56:35,863 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 33 treesize of output 33 [2018-04-11 09:56:35,868 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 29 treesize of output 27 [2018-04-11 09:56:35,869 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 09:56:35,891 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 2 case distinctions, treesize of input 25 treesize of output 31 [2018-04-11 09:56:35,891 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2018-04-11 09:56:35,921 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 19 treesize of output 12 [2018-04-11 09:56:35,921 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:35,923 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 23 treesize of output 16 [2018-04-11 09:56:35,924 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:35,947 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-11 09:56:35,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 09:56:35,974 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:49, output treesize:66 [2018-04-11 09:56:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:36,061 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:56:36,061 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 23 [2018-04-11 09:56:36,061 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-11 09:56:36,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-11 09:56:36,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=497, Unknown=0, NotChecked=0, Total=552 [2018-04-11 09:56:36,062 INFO L87 Difference]: Start difference. First operand 113 states and 126 transitions. Second operand 24 states. [2018-04-11 09:56:36,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:36,964 INFO L93 Difference]: Finished difference Result 142 states and 158 transitions. [2018-04-11 09:56:36,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-11 09:56:36,964 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 30 [2018-04-11 09:56:36,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:36,965 INFO L225 Difference]: With dead ends: 142 [2018-04-11 09:56:36,965 INFO L226 Difference]: Without dead ends: 142 [2018-04-11 09:56:36,965 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=231, Invalid=1251, Unknown=0, NotChecked=0, Total=1482 [2018-04-11 09:56:36,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-04-11 09:56:36,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 111. [2018-04-11 09:56:36,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-04-11 09:56:36,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2018-04-11 09:56:36,970 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 30 [2018-04-11 09:56:36,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:36,970 INFO L459 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2018-04-11 09:56:36,970 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-11 09:56:36,970 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2018-04-11 09:56:36,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-11 09:56:36,971 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:36,971 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:36,971 INFO L408 AbstractCegarLoop]: === Iteration 13 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:36,971 INFO L82 PathProgramCache]: Analyzing trace with hash 1493322769, now seen corresponding path program 1 times [2018-04-11 09:56:36,972 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:36,972 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:36,972 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:36,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:36,972 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:36,984 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:37,308 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:37,308 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 09:56:37,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:37,333 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:37,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:56:37,338 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:56:37,343 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,345 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,345 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 09:56:37,363 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 09:56:37,364 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 [2018-04-11 09:56:37,364 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,371 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 09:56:37,372 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 09:56:37,373 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 [2018-04-11 09:56:37,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,377 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,377 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 09:56:37,429 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 15 treesize of output 12 [2018-04-11 09:56:37,432 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 12 treesize of output 11 [2018-04-11 09:56:37,432 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,433 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,436 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,437 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-11 09:56:37,457 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 [2018-04-11 09:56:37,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 09:56:37,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,462 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,466 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 09:56:37,466 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-11 09:56:37,584 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 31 treesize of output 29 [2018-04-11 09:56:37,586 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 1 [2018-04-11 09:56:37,586 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:37,593 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 15 treesize of output 12 [2018-04-11 09:56:37,594 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 09:56:37,604 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:37,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 09:56:37,609 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-04-11 09:56:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:37,684 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:56:37,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 24 [2018-04-11 09:56:37,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 09:56:37,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 09:56:37,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2018-04-11 09:56:37,685 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand 25 states. [2018-04-11 09:56:40,548 WARN L151 SmtUtils]: Spent 2033ms on a formula simplification. DAG size of input: 54 DAG size of output 43 [2018-04-11 09:56:40,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:40,839 INFO L93 Difference]: Finished difference Result 139 states and 155 transitions. [2018-04-11 09:56:40,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-11 09:56:40,840 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 34 [2018-04-11 09:56:40,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:40,841 INFO L225 Difference]: With dead ends: 139 [2018-04-11 09:56:40,841 INFO L226 Difference]: Without dead ends: 139 [2018-04-11 09:56:40,841 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=252, Invalid=1470, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 09:56:40,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-04-11 09:56:40,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2018-04-11 09:56:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-04-11 09:56:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 120 transitions. [2018-04-11 09:56:40,846 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 120 transitions. Word has length 34 [2018-04-11 09:56:40,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:40,846 INFO L459 AbstractCegarLoop]: Abstraction has 108 states and 120 transitions. [2018-04-11 09:56:40,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 09:56:40,846 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 120 transitions. [2018-04-11 09:56:40,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-11 09:56:40,846 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:40,847 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:40,847 INFO L408 AbstractCegarLoop]: === Iteration 14 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:40,847 INFO L82 PathProgramCache]: Analyzing trace with hash -470374570, now seen corresponding path program 1 times [2018-04-11 09:56:40,847 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:40,847 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:40,847 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:40,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:40,847 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:40,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:40,861 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:40,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:40,944 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 09:56:40,945 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-11 09:56:40,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 09:56:40,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 09:56:40,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 09:56:40,945 INFO L87 Difference]: Start difference. First operand 108 states and 120 transitions. Second operand 7 states. [2018-04-11 09:56:41,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:41,021 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2018-04-11 09:56:41,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 09:56:41,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-04-11 09:56:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:41,022 INFO L225 Difference]: With dead ends: 107 [2018-04-11 09:56:41,022 INFO L226 Difference]: Without dead ends: 46 [2018-04-11 09:56:41,022 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-11 09:56:41,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-11 09:56:41,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-11 09:56:41,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-11 09:56:41,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2018-04-11 09:56:41,024 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 35 [2018-04-11 09:56:41,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:41,024 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2018-04-11 09:56:41,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 09:56:41,024 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-04-11 09:56:41,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 09:56:41,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 09:56:41,025 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 09:56:41,025 INFO L408 AbstractCegarLoop]: === Iteration 15 === [cstrcmpErr0RequiresViolation, cstrcmpErr9RequiresViolation, cstrcmpErr4RequiresViolation, cstrcmpErr7RequiresViolation, cstrcmpErr5RequiresViolation, cstrcmpErr6RequiresViolation, cstrcmpErr1RequiresViolation, cstrcmpErr3RequiresViolation, cstrcmpErr2RequiresViolation, cstrcmpErr8RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 09:56:41,025 INFO L82 PathProgramCache]: Analyzing trace with hash 936637079, now seen corresponding path program 2 times [2018-04-11 09:56:41,025 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 09:56:41,025 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 09:56:41,026 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:41,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 09:56:41,026 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 09:56:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 09:56:41,038 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 09:56:41,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:41,431 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 09:56:41,431 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-11 09:56:41,436 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 09:56:41,452 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 09:56:41,452 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 09:56:41,454 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 09:56:41,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 09:56:41,457 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:41,460 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:41,460 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 09:56:41,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 09:56:41,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 09:56:41,492 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:41,493 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:41,496 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 09:56:41,496 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 09:56:41,726 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 35 treesize of output 35 [2018-04-11 09:56:41,729 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 31 treesize of output 24 [2018-04-11 09:56:41,730 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 09:56:41,756 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 24 treesize of output 22 [2018-04-11 09:56:41,757 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 09:56:41,789 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 2 case distinctions, treesize of input 27 treesize of output 35 [2018-04-11 09:56:41,790 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-11 09:56:41,824 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-11 09:56:41,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 09:56:41,855 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:53, output treesize:98 [2018-04-11 09:56:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 09:56:41,968 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 09:56:41,969 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-11 09:56:41,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 09:56:41,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 09:56:41,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=636, Unknown=0, NotChecked=0, Total=702 [2018-04-11 09:56:41,969 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 27 states. [2018-04-11 09:56:43,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 09:56:43,153 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-11 09:56:43,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 09:56:43,154 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 38 [2018-04-11 09:56:43,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 09:56:43,154 INFO L225 Difference]: With dead ends: 47 [2018-04-11 09:56:43,154 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 09:56:43,155 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=327, Invalid=1835, Unknown=0, NotChecked=0, Total=2162 [2018-04-11 09:56:43,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 09:56:43,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 09:56:43,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 09:56:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 09:56:43,155 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-04-11 09:56:43,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 09:56:43,155 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 09:56:43,155 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 09:56:43,155 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 09:56:43,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 09:56:43,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:56:43 BoogieIcfgContainer [2018-04-11 09:56:43,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 09:56:43,159 INFO L168 Benchmark]: Toolchain (without parser) took 11351.22 ms. Allocated memory was 403.7 MB in the beginning and 739.2 MB in the end (delta: 335.5 MB). Free memory was 336.2 MB in the beginning and 622.2 MB in the end (delta: -286.0 MB). Peak memory consumption was 49.6 MB. Max. memory is 5.3 GB. [2018-04-11 09:56:43,160 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 403.7 MB. Free memory is still 364.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 09:56:43,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.23 ms. Allocated memory is still 403.7 MB. Free memory was 334.9 MB in the beginning and 311.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 09:56:43,160 INFO L168 Benchmark]: Boogie Preprocessor took 39.34 ms. Allocated memory is still 403.7 MB. Free memory was 311.1 MB in the beginning and 309.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-11 09:56:43,160 INFO L168 Benchmark]: RCFGBuilder took 369.65 ms. Allocated memory was 403.7 MB in the beginning and 590.9 MB in the end (delta: 187.2 MB). Free memory was 309.8 MB in the beginning and 525.5 MB in the end (delta: -215.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-11 09:56:43,161 INFO L168 Benchmark]: TraceAbstraction took 10715.26 ms. Allocated memory was 590.9 MB in the beginning and 739.2 MB in the end (delta: 148.4 MB). Free memory was 525.5 MB in the beginning and 622.2 MB in the end (delta: -96.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 5.3 GB. [2018-04-11 09:56:43,161 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 403.7 MB. Free memory is still 364.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 224.23 ms. Allocated memory is still 403.7 MB. Free memory was 334.9 MB in the beginning and 311.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.34 ms. Allocated memory is still 403.7 MB. Free memory was 311.1 MB in the beginning and 309.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 369.65 ms. Allocated memory was 403.7 MB in the beginning and 590.9 MB in the end (delta: 187.2 MB). Free memory was 309.8 MB in the beginning and 525.5 MB in the end (delta: -215.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 10715.26 ms. Allocated memory was 590.9 MB in the beginning and 739.2 MB in the end (delta: 148.4 MB). Free memory was 525.5 MB in the beginning and 622.2 MB in the end (delta: -96.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 563]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 562]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 62 locations, 15 error locations. SAFE Result, 10.6s OverallTime, 15 OverallIterations, 3 TraceHistogramMax, 6.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 599 SDtfs, 1404 SDslu, 2618 SDs, 0 SdLazy, 2690 SolverSat, 316 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 354 GetRequests, 105 SyntacticMatches, 4 SemanticMatches, 245 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1676 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 144 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 455 ConstructedInterpolants, 36 QuantifiedInterpolants, 131757 SizeOfPredicates, 46 NumberOfNonLiveVariables, 572 ConjunctsInSsa, 112 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 14/84 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_09-56-43-168.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_09-56-43-168.csv Received shutdown request...