java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 05:33:07,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 05:33:07,657 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 05:33:07,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 05:33:07,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 05:33:07,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 05:33:07,671 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 05:33:07,672 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 05:33:07,674 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 05:33:07,675 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 05:33:07,675 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 05:33:07,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 05:33:07,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 05:33:07,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 05:33:07,678 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 05:33:07,679 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 05:33:07,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 05:33:07,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 05:33:07,682 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 05:33:07,683 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 05:33:07,685 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 05:33:07,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 05:33:07,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 05:33:07,690 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 05:33:07,699 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 05:33:07,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 05:33:07,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 05:33:07,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 05:33:07,700 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 05:33:07,700 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 05:33:07,700 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 05:33:07,700 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 05:33:07,700 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 05:33:07,701 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 05:33:07,701 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 05:33:07,702 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 05:33:07,702 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 05:33:07,702 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 05:33:07,702 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 05:33:07,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 05:33:07,736 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 05:33:07,739 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 05:33:07,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 05:33:07,740 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 05:33:07,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,019 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf6ce8609d [2018-04-13 05:33:08,157 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 05:33:08,158 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 05:33:08,158 INFO L168 CDTParser]: Scanning test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,166 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 05:33:08,166 INFO L215 ultiparseSymbolTable]: [2018-04-13 05:33:08,167 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 05:33:08,167 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,167 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data ('free_data') in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,167 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data ('alloc_data') in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,167 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 05:33:08,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____caddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____off64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____qaddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,167 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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05:33:08,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsblkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ulong in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_rwlockattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,168 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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05:33:08,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____quad_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____gid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____mode_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,170 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_spinlock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____sigset_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__caddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__off_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____suseconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__TData in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__div_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,171 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_long 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05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_short in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____nlink_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__gid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____clock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_condattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____blkcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,174 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsfilcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fd_mask in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int32_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fsid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__clockid_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____loff_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__suseconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____sig_atomic_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____ssize_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__timer_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____time_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,175 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____WAIT_STATUS in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ushort in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__fd_mask in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_mutex_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____off_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint16_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____ino64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____daddr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__int8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsfilcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__u_int64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__time_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____u_int in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____key_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____uint8_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,176 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__id_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____useconds_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsfilcnt64_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ldiv_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__ino_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__dev_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____swblk_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____blkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_barrierattr_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__register_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_rwlock_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i__pthread_key_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,177 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_memtrack_true_termination_i____fsblkcnt_t in test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,192 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGf6ce8609d [2018-04-13 05:33:08,195 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 05:33:08,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 05:33:08,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 05:33:08,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 05:33:08,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 05:33:08,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9a4698 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08, skipping insertion in model container [2018-04-13 05:33:08,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,213 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 05:33:08,235 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 05:33:08,357 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 05:33:08,389 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 05:33:08,394 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 111 non ball SCCs. Number of states in SCCs 111. [2018-04-13 05:33:08,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08 WrapperNode [2018-04-13 05:33:08,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 05:33:08,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 05:33:08,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 05:33:08,426 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 05:33:08,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (1/1) ... [2018-04-13 05:33:08,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 05:33:08,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 05:33:08,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 05:33:08,462 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 05:33:08,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (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 [2018-04-13 05:33:08,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 05:33:08,541 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 05:33:08,541 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-13 05:33:08,541 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-13 05:33:08,541 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 05:33:08,541 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 05:33:08,541 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 05:33:08,541 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 05:33:08,541 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 05:33:08,541 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 05:33:08,542 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 05:33:08,543 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 05:33:08,544 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 05:33:08,545 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 05:33:08,546 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 05:33:08,547 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 05:33:08,548 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 05:33:08,549 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 05:33:08,550 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_data [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_data [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 05:33:08,551 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 05:33:08,825 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 05:33:08,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:33:08 BoogieIcfgContainer [2018-04-13 05:33:08,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 05:33:08,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 05:33:08,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 05:33:08,828 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 05:33:08,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:33:08" (1/3) ... [2018-04-13 05:33:08,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646eccef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:33:08, skipping insertion in model container [2018-04-13 05:33:08,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:33:08" (2/3) ... [2018-04-13 05:33:08,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646eccef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:33:08, skipping insertion in model container [2018-04-13 05:33:08,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:33:08" (3/3) ... [2018-04-13 05:33:08,830 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0019_false-valid-memtrack_true-termination.i [2018-04-13 05:33:08,836 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 05:33:08,841 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 17 error locations. [2018-04-13 05:33:08,865 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 05:33:08,865 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 05:33:08,865 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 05:33:08,865 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 05:33:08,865 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 05:33:08,865 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 05:33:08,865 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 05:33:08,865 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 05:33:08,865 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 05:33:08,866 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 05:33:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-04-13 05:33:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-13 05:33:08,881 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:08,881 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:33:08,882 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:08,884 INFO L82 PathProgramCache]: Analyzing trace with hash -235232197, now seen corresponding path program 1 times [2018-04-13 05:33:08,885 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:08,885 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:08,914 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:08,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:08,914 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:08,950 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:33:08,963 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:33:08,963 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:33:08,963 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:33:08,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:08,999 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:33:09,035 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 [2018-04-13 05:33:09,036 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,042 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 05:33:09,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:09,065 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:09,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-13 05:33:09,067 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 05:33:09,073 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-13 05:33:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:33:09,086 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:33:09,086 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 05:33:09,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 05:33:09,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 05:33:09,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:33:09,097 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 6 states. [2018-04-13 05:33:09,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:33:09,232 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-13 05:33:09,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 05:33:09,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-04-13 05:33:09,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:33:09,240 INFO L225 Difference]: With dead ends: 53 [2018-04-13 05:33:09,240 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 05:33:09,241 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:33:09,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 05:33:09,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-13 05:33:09,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 05:33:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-04-13 05:33:09,264 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 10 [2018-04-13 05:33:09,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:33:09,264 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-04-13 05:33:09,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 05:33:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-04-13 05:33:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-04-13 05:33:09,264 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:09,264 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:33:09,264 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:09,264 INFO L82 PathProgramCache]: Analyzing trace with hash -235232196, now seen corresponding path program 1 times [2018-04-13 05:33:09,265 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:09,265 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:09,265 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:09,265 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:09,276 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:33:09,280 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:33:09,280 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:33:09,280 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:33:09,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:09,303 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:33:09,306 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 [2018-04-13 05:33:09,307 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,312 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 [2018-04-13 05:33:09,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,316 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,316 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 05:33:09,372 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:09,373 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:09,374 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 [2018-04-13 05:33:09,374 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,381 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:09,382 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 05:33:09,383 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,389 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 05:33:09,389 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-13 05:33:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:33:09,399 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:33:09,399 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 05:33:09,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 05:33:09,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 05:33:09,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 05:33:09,400 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 6 states. [2018-04-13 05:33:09,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:33:09,529 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-04-13 05:33:09,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 05:33:09,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-04-13 05:33:09,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:33:09,530 INFO L225 Difference]: With dead ends: 48 [2018-04-13 05:33:09,530 INFO L226 Difference]: Without dead ends: 48 [2018-04-13 05:33:09,531 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:33:09,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-13 05:33:09,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-13 05:33:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-13 05:33:09,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-04-13 05:33:09,535 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 10 [2018-04-13 05:33:09,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:33:09,536 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-04-13 05:33:09,536 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 05:33:09,536 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-04-13 05:33:09,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-13 05:33:09,536 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:09,536 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:33:09,536 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:09,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1646369967, now seen corresponding path program 1 times [2018-04-13 05:33:09,537 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:09,537 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:09,538 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:09,538 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:09,551 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:33:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:33:09,596 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:33:09,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 05:33:09,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 05:33:09,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 05:33:09,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-13 05:33:09,597 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 7 states. [2018-04-13 05:33:09,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:33:09,724 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-13 05:33:09,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 05:33:09,724 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-04-13 05:33:09,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:33:09,725 INFO L225 Difference]: With dead ends: 53 [2018-04-13 05:33:09,725 INFO L226 Difference]: Without dead ends: 53 [2018-04-13 05:33:09,726 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-04-13 05:33:09,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-13 05:33:09,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2018-04-13 05:33:09,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-13 05:33:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2018-04-13 05:33:09,730 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 17 [2018-04-13 05:33:09,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:33:09,730 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2018-04-13 05:33:09,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 05:33:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-04-13 05:33:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-13 05:33:09,731 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:09,731 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:33:09,731 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:09,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1646369966, now seen corresponding path program 1 times [2018-04-13 05:33:09,731 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:09,731 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:09,732 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:09,733 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:09,752 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:33:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:33:09,842 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:33:09,842 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 05:33:09,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 05:33:09,842 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 05:33:09,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-13 05:33:09,843 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 8 states. [2018-04-13 05:33:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:33:09,907 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-04-13 05:33:09,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 05:33:09,907 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-04-13 05:33:09,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:33:09,908 INFO L225 Difference]: With dead ends: 42 [2018-04-13 05:33:09,908 INFO L226 Difference]: Without dead ends: 42 [2018-04-13 05:33:09,908 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-04-13 05:33:09,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-13 05:33:09,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-13 05:33:09,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-13 05:33:09,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-04-13 05:33:09,911 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 17 [2018-04-13 05:33:09,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:33:09,912 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-04-13 05:33:09,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 05:33:09,912 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-04-13 05:33:09,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 05:33:09,912 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:09,912 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] [2018-04-13 05:33:09,913 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:09,913 INFO L82 PathProgramCache]: Analyzing trace with hash -695653108, now seen corresponding path program 1 times [2018-04-13 05:33:09,913 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:09,913 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:09,914 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:09,914 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:09,925 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:33:09,928 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:33:09,928 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:33:09,928 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:33:09,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:09,971 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:33:09,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 05:33:09,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 05:33:09,989 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,990 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:09,991 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2018-04-13 05:33:10,052 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-13 05:33:10,055 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 05:33:10,056 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 05:33:10,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,058 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,064 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,064 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:3 [2018-04-13 05:33:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:33:10,087 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:33:10,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-13 05:33:10,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 05:33:10,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 05:33:10,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-13 05:33:10,088 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 13 states. [2018-04-13 05:33:10,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:33:10,258 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-13 05:33:10,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 05:33:10,258 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 22 [2018-04-13 05:33:10,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:33:10,260 INFO L225 Difference]: With dead ends: 43 [2018-04-13 05:33:10,260 INFO L226 Difference]: Without dead ends: 43 [2018-04-13 05:33:10,261 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2018-04-13 05:33:10,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-13 05:33:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2018-04-13 05:33:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-13 05:33:10,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-13 05:33:10,263 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 22 [2018-04-13 05:33:10,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:33:10,263 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-13 05:33:10,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 05:33:10,263 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-13 05:33:10,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-13 05:33:10,263 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:10,264 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] [2018-04-13 05:33:10,264 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:10,264 INFO L82 PathProgramCache]: Analyzing trace with hash -90409803, now seen corresponding path program 1 times [2018-04-13 05:33:10,264 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:10,264 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:10,264 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:10,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:10,265 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:10,274 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:33:10,277 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:33:10,277 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:33:10,277 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:33:10,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:10,306 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:33:10,320 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 [2018-04-13 05:33:10,320 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,323 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-13 05:33:10,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-13 05:33:10,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-13 05:33:10,333 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,336 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-04-13 05:33:10,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 22 [2018-04-13 05:33:10,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:10,390 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:10,390 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 05:33:10,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2018-04-13 05:33:10,392 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,399 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,400 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:5 [2018-04-13 05:33:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:33:10,421 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:33:10,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-04-13 05:33:10,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 05:33:10,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 05:33:10,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-04-13 05:33:10,422 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 14 states. [2018-04-13 05:33:10,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:33:10,753 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-04-13 05:33:10,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 05:33:10,753 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23 [2018-04-13 05:33:10,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:33:10,754 INFO L225 Difference]: With dead ends: 42 [2018-04-13 05:33:10,754 INFO L226 Difference]: Without dead ends: 42 [2018-04-13 05:33:10,754 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2018-04-13 05:33:10,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-13 05:33:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-04-13 05:33:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-13 05:33:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-04-13 05:33:10,756 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 23 [2018-04-13 05:33:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:33:10,757 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-04-13 05:33:10,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 05:33:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-04-13 05:33:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-13 05:33:10,757 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:10,757 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 05:33:10,757 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:10,758 INFO L82 PathProgramCache]: Analyzing trace with hash -453880977, now seen corresponding path program 1 times [2018-04-13 05:33:10,758 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:10,758 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:10,758 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:10,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:10,758 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:10,767 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 05:33:10,773 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 05:33:10,773 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 05:33:10,773 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 05:33:10,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 05:33:10,803 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 05:33:10,814 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 [2018-04-13 05:33:10,815 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,820 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-13 05:33:10,850 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 [2018-04-13 05:33:10,852 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 [2018-04-13 05:33:10,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,861 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,861 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:19 [2018-04-13 05:33:10,874 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:10,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:10,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2018-04-13 05:33:10,876 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,881 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,881 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:18 [2018-04-13 05:33:10,900 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 22 treesize of output 17 [2018-04-13 05:33:10,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:10,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 05:33:10,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,915 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:10,915 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-13 05:33:11,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-13 05:33:11,009 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:11,010 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 05:33:11,010 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 05:33:11,011 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 05:33:11,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 27 [2018-04-13 05:33:11,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 05:33:11,015 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:11,019 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 05:33:11,019 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:43, output treesize:4 [2018-04-13 05:33:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 05:33:11,035 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 05:33:11,035 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-04-13 05:33:11,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 05:33:11,035 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 05:33:11,035 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-13 05:33:11,035 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 15 states. [2018-04-13 05:33:11,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 05:33:11,252 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-04-13 05:33:11,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 05:33:11,252 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2018-04-13 05:33:11,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 05:33:11,252 INFO L225 Difference]: With dead ends: 30 [2018-04-13 05:33:11,252 INFO L226 Difference]: Without dead ends: 30 [2018-04-13 05:33:11,253 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2018-04-13 05:33:11,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-13 05:33:11,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-04-13 05:33:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-04-13 05:33:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2018-04-13 05:33:11,254 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 26 [2018-04-13 05:33:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 05:33:11,254 INFO L459 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2018-04-13 05:33:11,254 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 05:33:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2018-04-13 05:33:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 05:33:11,255 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 05:33:11,255 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] [2018-04-13 05:33:11,255 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__alloc_dataErr0RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr0RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr9RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr11RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr3RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr2RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr5AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr8RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr7AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr10RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr1RequiresViolation, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr4AssertViolationMEMORY_FREE, __U_MULTI_ftest______false_valid_memtrack_true_termination_i__free_dataErr6AssertViolationMEMORY_FREE]=== [2018-04-13 05:33:11,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1607954349, now seen corresponding path program 1 times [2018-04-13 05:33:11,256 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 05:33:11,256 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 05:33:11,256 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:11,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 05:33:11,257 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 05:33:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-13 05:33:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-13 05:33:11,296 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-13 05:33:11,306 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-13 05:33:11,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 05:33:11 BoogieIcfgContainer [2018-04-13 05:33:11,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 05:33:11,319 INFO L168 Benchmark]: Toolchain (without parser) took 3124.06 ms. Allocated memory was 402.7 MB in the beginning and 693.1 MB in the end (delta: 290.5 MB). Free memory was 340.1 MB in the beginning and 568.5 MB in the end (delta: -228.3 MB). Peak memory consumption was 62.1 MB. Max. memory is 5.3 GB. [2018-04-13 05:33:11,320 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 402.7 MB. Free memory is still 365.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 05:33:11,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.02 ms. Allocated memory is still 402.7 MB. Free memory was 340.1 MB in the beginning and 314.8 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. [2018-04-13 05:33:11,321 INFO L168 Benchmark]: Boogie Preprocessor took 35.94 ms. Allocated memory is still 402.7 MB. Free memory was 314.8 MB in the beginning and 313.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-13 05:33:11,321 INFO L168 Benchmark]: RCFGBuilder took 364.15 ms. Allocated memory was 402.7 MB in the beginning and 610.8 MB in the end (delta: 208.1 MB). Free memory was 313.5 MB in the beginning and 548.2 MB in the end (delta: -234.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. [2018-04-13 05:33:11,322 INFO L168 Benchmark]: TraceAbstraction took 2492.30 ms. Allocated memory was 610.8 MB in the beginning and 693.1 MB in the end (delta: 82.3 MB). Free memory was 548.2 MB in the beginning and 568.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 62.1 MB. Max. memory is 5.3 GB. [2018-04-13 05:33:11,324 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 402.7 MB. Free memory is still 365.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 229.02 ms. Allocated memory is still 402.7 MB. Free memory was 340.1 MB in the beginning and 314.8 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.94 ms. Allocated memory is still 402.7 MB. Free memory was 314.8 MB in the beginning and 313.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 364.15 ms. Allocated memory was 402.7 MB in the beginning and 610.8 MB in the end (delta: 208.1 MB). Free memory was 313.5 MB in the beginning and 548.2 MB in the end (delta: -234.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2492.30 ms. Allocated memory was 610.8 MB in the beginning and 693.1 MB in the end (delta: 82.3 MB). Free memory was 548.2 MB in the beginning and 568.5 MB in the end (delta: -20.2 MB). Peak memory consumption was 62.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 639]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L640] FCALL TData data; VAL [data={28:0}] [L641] CALL alloc_data(&data) VAL [pdata={28:0}] [L625] EXPR, FCALL malloc(16) VAL [malloc(16)={27:0}, pdata={28:0}, pdata={28:0}] [L625] FCALL pdata->lo = malloc(16) VAL [malloc(16)={27:0}, pdata={28:0}, pdata={28:0}] [L626] EXPR, FCALL malloc(24) VAL [malloc(16)={27:0}, malloc(24)={26:0}, pdata={28:0}, pdata={28:0}] [L626] RET, FCALL pdata->hi = malloc(24) VAL [malloc(16)={27:0}, malloc(24)={26:0}, pdata={28:0}, pdata={28:0}] [L641] alloc_data(&data) VAL [data={28:0}] [L642] CALL free_data(&data) VAL [data={28:0}] [L630] EXPR, FCALL data->lo VAL [data={28:0}, data={28:0}, data->lo={27:0}] [L630] void *lo = data->lo; [L631] EXPR, FCALL data->hi VAL [data={28:0}, data={28:0}, data->hi={26:0}, lo={27:0}] [L631] void *hi = data->hi; [L632] COND FALSE !(lo == hi) VAL [data={28:0}, data={28:0}, hi={26:0}, lo={27:0}] [L636] FCALL data->lo = (void *) 0 VAL [data={28:0}, data={28:0}, hi={26:0}, lo={27:0}] [L637] RET, FCALL data->hi = (void *) 0 VAL [data={28:0}, data={28:0}, hi={26:0}, lo={27:0}] [L642] free_data(&data) VAL [data={28:0}] [L643] return 0; VAL [\result=0, data={28:0}] [L643] return 0; VAL [\result=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 17 error locations. UNSAFE Result, 2.4s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 206 SDtfs, 234 SDslu, 747 SDs, 0 SdLazy, 897 SolverSat, 71 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, 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, 7 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 245 NumberOfCodeBlocks, 245 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 118 ConstructedInterpolants, 14 QuantifiedInterpolants, 17550 SizeOfPredicates, 39 NumberOfNonLiveVariables, 499 ConjunctsInSsa, 125 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_05-33-11-331.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0019_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_05-33-11-331.csv Received shutdown request...