java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-06 19:39:48,157 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 19:39:48,158 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 19:39:48,172 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-06 19:39:48,173 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-06 19:39:48,174 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-06 19:39:48,175 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-06 19:39:48,177 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-06 19:39:48,179 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-06 19:39:48,180 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-06 19:39:48,181 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-06 19:39:48,181 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-06 19:39:48,182 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-06 19:39:48,183 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-06 19:39:48,184 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-06 19:39:48,186 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-06 19:39:48,189 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-06 19:39:48,191 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-06 19:39:48,192 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-06 19:39:48,193 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-06 19:39:48,196 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-06 19:39:48,201 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-06 19:39:48,202 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-06 19:39:48,202 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-06 19:39:48,228 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 19:39:48,228 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 19:39:48,228 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 19:39:48,228 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 19:39:48,229 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 19:39:48,229 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 19:39:48,229 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 19:39:48,230 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 19:39:48,230 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 19:39:48,230 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 19:39:48,230 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 19:39:48,231 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 19:39:48,231 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 19:39:48,231 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 19:39:48,231 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 19:39:48,231 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 19:39:48,232 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 19:39:48,232 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 19:39:48,232 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 19:39:48,232 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 19:39:48,232 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 19:39:48,233 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 19:39:48,233 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 19:39:48,233 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 19:39:48,233 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 19:39:48,233 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 19:39:48,234 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 19:39:48,234 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 19:39:48,234 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 19:39:48,234 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 19:39:48,234 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 19:39:48,235 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 19:39:48,235 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:48,235 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 19:39:48,236 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 19:39:48,236 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 19:39:48,236 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 19:39:48,236 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 19:39:48,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 19:39:48,283 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 19:39:48,288 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 19:39:48,289 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 19:39:48,290 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 19:39:48,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,619 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3ca914122 [2018-04-06 19:39:48,792 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 19:39:48,792 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 19:39:48,792 INFO L168 CDTParser]: Scanning openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,803 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 19:39:48,804 INFO L215 ultiparseSymbolTable]: [2018-04-06 19:39:48,804 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 19:39:48,804 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp ('cstrncmp') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,804 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,804 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,804 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,805 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 19:39:48,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:48,835 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG3ca914122 [2018-04-06 19:39:48,840 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 19:39:48,842 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 19:39:48,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 19:39:48,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 19:39:48,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 19:39:48,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:39:48" (1/1) ... [2018-04-06 19:39:48,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7faadc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:48, skipping insertion in model container [2018-04-06 19:39:48,852 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 07:39:48" (1/1) ... [2018-04-06 19:39:48,866 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 19:39:48,896 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 19:39:49,060 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 19:39:49,111 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 19:39:49,119 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-06 19:39:49,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49 WrapperNode [2018-04-06 19:39:49,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 19:39:49,164 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 19:39:49,164 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 19:39:49,164 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 19:39:49,176 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... [2018-04-06 19:39:49,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... [2018-04-06 19:39:49,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... [2018-04-06 19:39:49,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... [2018-04-06 19:39:49,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... [2018-04-06 19:39:49,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... [2018-04-06 19:39:49,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... [2018-04-06 19:39:49,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 19:39:49,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 19:39:49,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 19:39:49,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 19:39:49,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 19:39:49,339 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 19:39:49,339 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 19:39:49,339 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-06 19:39:49,339 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-06 19:39:49,339 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-04-06 19:39:49,340 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 19:39:49,340 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-06 19:39:49,340 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-06 19:39:49,340 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 19:39:49,340 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 19:39:49,340 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 19:39:49,341 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 19:39:49,341 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 19:39:49,341 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 19:39:49,341 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 19:39:49,341 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 19:39:49,341 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 19:39:49,342 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 19:39:49,342 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 19:39:49,342 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 19:39:49,342 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 19:39:49,342 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 19:39:49,342 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 19:39:49,343 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 19:39:49,343 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 19:39:49,343 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 19:39:49,343 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 19:39:49,343 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 19:39:49,343 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 19:39:49,344 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 19:39:49,345 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 19:39:49,345 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 19:39:49,345 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 19:39:49,345 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 19:39:49,345 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 19:39:49,345 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 19:39:49,345 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 19:39:49,346 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 19:39:49,347 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 19:39:49,348 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 19:39:49,348 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 19:39:49,348 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 19:39:49,348 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 19:39:49,348 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 19:39:49,348 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 19:39:49,348 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 19:39:49,349 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 19:39:49,350 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 19:39:49,351 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 19:39:49,352 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 19:39:49,352 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 19:39:49,352 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 19:39:49,352 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 19:39:49,352 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 19:39:49,352 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 19:39:49,352 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 19:39:49,353 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 19:39:49,354 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-06 19:39:49,355 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 19:39:49,355 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 19:39:49,355 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 19:39:49,355 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-06 19:39:49,755 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 19:39:49,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:39:49 BoogieIcfgContainer [2018-04-06 19:39:49,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 19:39:49,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 19:39:49,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 19:39:49,759 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 19:39:49,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 07:39:48" (1/3) ... [2018-04-06 19:39:49,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a366e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:39:49, skipping insertion in model container [2018-04-06 19:39:49,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 07:39:49" (2/3) ... [2018-04-06 19:39:49,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35a366e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 07:39:49, skipping insertion in model container [2018-04-06 19:39:49,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 07:39:49" (3/3) ... [2018-04-06 19:39:49,762 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-04-06 19:39:49,768 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 19:39:49,774 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-06 19:39:49,821 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 19:39:49,821 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 19:39:49,821 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 19:39:49,821 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 19:39:49,821 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 19:39:49,821 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 19:39:49,821 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 19:39:49,822 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 19:39:49,822 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 19:39:49,822 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 19:39:49,835 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states. [2018-04-06 19:39:49,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 19:39:49,839 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:49,840 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:49,840 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:49,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1532505966, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:49,856 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:49,894 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:49,933 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 [2018-04-06 19:39:49,934 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:49,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:49,939 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 19:39:49,974 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-06 19:39:49,975 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:49,980 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. [2018-04-06 19:39:49,980 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-06 19:39:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:49,989 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:50,073 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:50,073 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 19:39:50,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 19:39:50,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 19:39:50,090 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 19:39:50,092 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 4 states. [2018-04-06 19:39:50,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:50,173 INFO L93 Difference]: Finished difference Result 108 states and 113 transitions. [2018-04-06 19:39:50,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 19:39:50,174 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-06 19:39:50,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:50,182 INFO L225 Difference]: With dead ends: 108 [2018-04-06 19:39:50,183 INFO L226 Difference]: Without dead ends: 88 [2018-04-06 19:39:50,185 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 19:39:50,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-06 19:39:50,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-04-06 19:39:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-06 19:39:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2018-04-06 19:39:50,226 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 19 [2018-04-06 19:39:50,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:50,227 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2018-04-06 19:39:50,227 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 19:39:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2018-04-06 19:39:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 19:39:50,228 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:50,228 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:50,228 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:50,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1532505967, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:50,234 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:50,253 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:50,262 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 [2018-04-06 19:39:50,263 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:50,271 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 [2018-04-06 19:39:50,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:50,279 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:50,279 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-06 19:39:50,311 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:50,313 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:50,315 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 [2018-04-06 19:39:50,315 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:50,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-06 19:39:50,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:50,345 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:50,345 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-06 19:39:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:50,362 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:52,465 WARN L148 SmtUtils]: Spent 2051ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-06 19:39:52,505 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:52,505 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-06 19:39:52,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:52,533 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:52,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-06 19:39:52,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 19:39:52,534 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 19:39:52,535 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-06 19:39:52,535 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand 9 states. [2018-04-06 19:39:52,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:52,717 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2018-04-06 19:39:52,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:39:52,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-06 19:39:52,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:52,719 INFO L225 Difference]: With dead ends: 88 [2018-04-06 19:39:52,719 INFO L226 Difference]: Without dead ends: 87 [2018-04-06 19:39:52,720 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-06 19:39:52,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-04-06 19:39:52,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-04-06 19:39:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-06 19:39:52,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2018-04-06 19:39:52,729 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 19 [2018-04-06 19:39:52,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:52,730 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2018-04-06 19:39:52,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 19:39:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2018-04-06 19:39:52,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 19:39:52,731 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:52,731 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] [2018-04-06 19:39:52,731 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:52,732 INFO L82 PathProgramCache]: Analyzing trace with hash 263044694, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:52,737 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:52,751 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:52,755 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 [2018-04-06 19:39:52,755 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:52,757 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:52,757 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 19:39:52,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:52,765 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:52,808 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:52,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 19:39:52,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 19:39:52,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 19:39:52,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 19:39:52,809 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 4 states. [2018-04-06 19:39:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:52,860 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2018-04-06 19:39:52,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 19:39:52,861 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-06 19:39:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:52,862 INFO L225 Difference]: With dead ends: 87 [2018-04-06 19:39:52,863 INFO L226 Difference]: Without dead ends: 86 [2018-04-06 19:39:52,863 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 19:39:52,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-06 19:39:52,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-04-06 19:39:52,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-06 19:39:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2018-04-06 19:39:52,872 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 20 [2018-04-06 19:39:52,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:52,872 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2018-04-06 19:39:52,872 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 19:39:52,872 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2018-04-06 19:39:52,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 19:39:52,873 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:52,873 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] [2018-04-06 19:39:52,873 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:52,874 INFO L82 PathProgramCache]: Analyzing trace with hash 263044695, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:52,880 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:52,894 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:52,906 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 [2018-04-06 19:39:52,906 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:52,910 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:52,910 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-06 19:39:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:52,925 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:52,980 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:52,980 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-06 19:39:52,980 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-06 19:39:52,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-06 19:39:52,980 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-06 19:39:52,981 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 7 states. [2018-04-06 19:39:53,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:53,064 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2018-04-06 19:39:53,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:39:53,064 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-06 19:39:53,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:53,065 INFO L225 Difference]: With dead ends: 86 [2018-04-06 19:39:53,065 INFO L226 Difference]: Without dead ends: 85 [2018-04-06 19:39:53,065 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:39:53,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-06 19:39:53,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-04-06 19:39:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-06 19:39:53,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-04-06 19:39:53,071 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 20 [2018-04-06 19:39:53,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:53,071 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2018-04-06 19:39:53,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-06 19:39:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2018-04-06 19:39:53,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-06 19:39:53,072 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:53,072 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:53,072 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:53,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1342074601, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:53,080 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:53,098 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,111 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,148 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:53,148 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-06 19:39:53,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-06 19:39:53,148 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-06 19:39:53,148 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-06 19:39:53,149 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand 5 states. [2018-04-06 19:39:53,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:53,213 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2018-04-06 19:39:53,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 19:39:53,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2018-04-06 19:39:53,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:53,217 INFO L225 Difference]: With dead ends: 91 [2018-04-06 19:39:53,218 INFO L226 Difference]: Without dead ends: 89 [2018-04-06 19:39:53,218 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-06 19:39:53,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-06 19:39:53,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2018-04-06 19:39:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-06 19:39:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 92 transitions. [2018-04-06 19:39:53,224 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 92 transitions. Word has length 28 [2018-04-06 19:39:53,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:53,224 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 92 transitions. [2018-04-06 19:39:53,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-06 19:39:53,224 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2018-04-06 19:39:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-06 19:39:53,225 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:53,225 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:53,226 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:53,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1342074600, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:53,235 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:53,259 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,313 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:53,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-06 19:39:53,321 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:53,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-06 19:39:53,327 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:53,329 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:39:53,330 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-06 19:39:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,362 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:53,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-06 19:39:53,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 19:39:53,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 19:39:53,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:39:53,363 INFO L87 Difference]: Start difference. First operand 86 states and 92 transitions. Second operand 8 states. [2018-04-06 19:39:53,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:53,479 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2018-04-06 19:39:53,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 19:39:53,479 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-04-06 19:39:53,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:53,480 INFO L225 Difference]: With dead ends: 89 [2018-04-06 19:39:53,480 INFO L226 Difference]: Without dead ends: 87 [2018-04-06 19:39:53,480 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-06 19:39:53,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-04-06 19:39:53,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2018-04-06 19:39:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-06 19:39:53,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2018-04-06 19:39:53,489 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 28 [2018-04-06 19:39:53,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:53,489 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2018-04-06 19:39:53,489 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 19:39:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2018-04-06 19:39:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-06 19:39:53,490 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:53,491 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:53,491 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:53,491 INFO L82 PathProgramCache]: Analyzing trace with hash 106153868, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:53,497 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:53,516 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:53,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,542 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,569 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:53,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-06 19:39:53,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 19:39:53,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 19:39:53,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-06 19:39:53,570 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand 6 states. [2018-04-06 19:39:53,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:53,635 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-04-06 19:39:53,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:39:53,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-04-06 19:39:53,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:53,636 INFO L225 Difference]: With dead ends: 85 [2018-04-06 19:39:53,636 INFO L226 Difference]: Without dead ends: 84 [2018-04-06 19:39:53,636 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:39:53,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-06 19:39:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-06 19:39:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-06 19:39:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 89 transitions. [2018-04-06 19:39:53,642 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 89 transitions. Word has length 31 [2018-04-06 19:39:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:53,642 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 89 transitions. [2018-04-06 19:39:53,642 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 19:39:53,643 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2018-04-06 19:39:53,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-06 19:39:53,644 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:53,644 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:53,644 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:53,644 INFO L82 PathProgramCache]: Analyzing trace with hash 106153869, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:53,661 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:53,679 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,746 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:53,753 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-06 19:39:53,754 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:53,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-06 19:39:53,761 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:53,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:39:53,764 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-06 19:39:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:53,811 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:53,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-06 19:39:53,811 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 19:39:53,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 19:39:53,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-06 19:39:53,812 INFO L87 Difference]: Start difference. First operand 84 states and 89 transitions. Second operand 9 states. [2018-04-06 19:39:53,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:53,924 INFO L93 Difference]: Finished difference Result 90 states and 95 transitions. [2018-04-06 19:39:53,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 19:39:53,925 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-04-06 19:39:53,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:53,926 INFO L225 Difference]: With dead ends: 90 [2018-04-06 19:39:53,926 INFO L226 Difference]: Without dead ends: 89 [2018-04-06 19:39:53,926 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-04-06 19:39:53,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-06 19:39:53,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2018-04-06 19:39:53,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-06 19:39:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2018-04-06 19:39:53,934 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 31 [2018-04-06 19:39:53,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:53,934 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2018-04-06 19:39:53,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 19:39:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2018-04-06 19:39:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-06 19:39:53,936 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:53,936 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:53,936 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:53,936 INFO L82 PathProgramCache]: Analyzing trace with hash 692849183, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:53,942 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:53,959 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:53,985 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:53,986 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-06 19:39:53,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:53,990 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 [2018-04-06 19:39:53,990 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:53,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:53,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 19:39:53,998 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:39:54,024 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-06 19:39:54,036 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-06 19:39:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:54,040 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:54,062 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_12| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_12|))) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_12| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_12| 0) |c_old(#valid)|))) is different from false [2018-04-06 19:39:54,076 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_12| Int) (|v_main_#t~malloc13.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_11| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_12|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_12| 1) |v_main_#t~malloc13.base_11| 0) |v_main_#t~malloc14.base_12| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_11|)))))) is different from false [2018-04-06 19:39:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:54,126 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:54,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-06 19:39:54,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-06 19:39:54,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-06 19:39:54,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-06 19:39:54,127 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand 12 states. [2018-04-06 19:39:54,139 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_12| Int) (|v_main_#t~malloc13.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_11| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_12|) 0)) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_12| 1) |v_main_#t~malloc13.base_11| 0) |v_main_#t~malloc14.base_12| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_11|))))))) is different from false [2018-04-06 19:39:54,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:54,595 INFO L93 Difference]: Finished difference Result 159 states and 168 transitions. [2018-04-06 19:39:54,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 19:39:54,596 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-04-06 19:39:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:54,597 INFO L225 Difference]: With dead ends: 159 [2018-04-06 19:39:54,597 INFO L226 Difference]: Without dead ends: 138 [2018-04-06 19:39:54,598 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-06 19:39:54,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-06 19:39:54,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 131. [2018-04-06 19:39:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-06 19:39:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 144 transitions. [2018-04-06 19:39:54,608 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 144 transitions. Word has length 38 [2018-04-06 19:39:54,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:54,609 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 144 transitions. [2018-04-06 19:39:54,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-06 19:39:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 144 transitions. [2018-04-06 19:39:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-06 19:39:54,611 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:54,611 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:54,611 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:54,611 INFO L82 PathProgramCache]: Analyzing trace with hash -857029072, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:54,621 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:54,640 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:54,657 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:54,703 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:54,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-06 19:39:54,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 19:39:54,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 19:39:54,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-06 19:39:54,704 INFO L87 Difference]: Start difference. First operand 131 states and 144 transitions. Second operand 6 states. [2018-04-06 19:39:54,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:54,794 INFO L93 Difference]: Finished difference Result 131 states and 144 transitions. [2018-04-06 19:39:54,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 19:39:54,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2018-04-06 19:39:54,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:54,795 INFO L225 Difference]: With dead ends: 131 [2018-04-06 19:39:54,795 INFO L226 Difference]: Without dead ends: 129 [2018-04-06 19:39:54,796 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-06 19:39:54,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-04-06 19:39:54,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-04-06 19:39:54,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-06 19:39:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 140 transitions. [2018-04-06 19:39:54,805 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 140 transitions. Word has length 38 [2018-04-06 19:39:54,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:54,806 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 140 transitions. [2018-04-06 19:39:54,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 19:39:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2018-04-06 19:39:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-06 19:39:54,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:54,807 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:54,807 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:54,808 INFO L82 PathProgramCache]: Analyzing trace with hash -857029071, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:54,824 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:54,849 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:54,902 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:55,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-06 19:39:55,110 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:55,116 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:55,117 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-04-06 19:39:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:55,145 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:55,145 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-06 19:39:55,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-06 19:39:55,146 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-06 19:39:55,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-06 19:39:55,146 INFO L87 Difference]: Start difference. First operand 129 states and 140 transitions. Second operand 11 states. [2018-04-06 19:39:55,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:55,315 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2018-04-06 19:39:55,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 19:39:55,316 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 38 [2018-04-06 19:39:55,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:55,317 INFO L225 Difference]: With dead ends: 133 [2018-04-06 19:39:55,317 INFO L226 Difference]: Without dead ends: 132 [2018-04-06 19:39:55,318 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-04-06 19:39:55,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-04-06 19:39:55,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2018-04-06 19:39:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-06 19:39:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2018-04-06 19:39:55,327 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 38 [2018-04-06 19:39:55,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:55,327 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2018-04-06 19:39:55,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-06 19:39:55,328 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2018-04-06 19:39:55,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-06 19:39:55,329 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:55,329 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:55,329 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:55,330 INFO L82 PathProgramCache]: Analyzing trace with hash 736459129, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:55,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:55,362 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:55,389 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:55,390 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-06 19:39:55,393 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 23 treesize of output 15 [2018-04-06 19:39:55,393 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:55,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:55,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 19:39:55,406 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:39:55,452 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-06 19:39:55,462 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-06 19:39:55,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:55,469 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:55,492 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_15| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc14.base_15| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_15| 0)) (not (= (select |c_#valid| |v_main_#t~malloc14.base_15|) 0)))) is different from false [2018-04-06 19:39:55,496 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc14.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_14| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_15|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc14.base_15| 1) |v_main_#t~malloc13.base_14| 0) |v_main_#t~malloc14.base_15| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0))))) is different from false [2018-04-06 19:39:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:55,530 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:55,530 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-06 19:39:55,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-06 19:39:55,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-06 19:39:55,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-06 19:39:55,531 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand 12 states. [2018-04-06 19:39:55,541 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc14.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_14| 1))) (or (not (= (select .cse0 |v_main_#t~malloc14.base_15|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc14.base_15| 1) |v_main_#t~malloc13.base_14| 0) |v_main_#t~malloc14.base_15| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0)))))) is different from false [2018-04-06 19:39:55,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:55,911 INFO L93 Difference]: Finished difference Result 197 states and 210 transitions. [2018-04-06 19:39:55,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 19:39:55,911 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-04-06 19:39:55,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:55,912 INFO L225 Difference]: With dead ends: 197 [2018-04-06 19:39:55,912 INFO L226 Difference]: Without dead ends: 176 [2018-04-06 19:39:55,913 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-06 19:39:55,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-04-06 19:39:55,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 129. [2018-04-06 19:39:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-06 19:39:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 139 transitions. [2018-04-06 19:39:55,920 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 139 transitions. Word has length 39 [2018-04-06 19:39:55,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:55,921 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 139 transitions. [2018-04-06 19:39:55,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-06 19:39:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 139 transitions. [2018-04-06 19:39:55,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-06 19:39:55,921 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:55,921 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:55,922 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:55,922 INFO L82 PathProgramCache]: Analyzing trace with hash -406781998, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:55,931 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:55,947 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:55,966 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:55,992 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:55,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-06 19:39:55,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-06 19:39:55,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-06 19:39:55,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-06 19:39:55,993 INFO L87 Difference]: Start difference. First operand 129 states and 139 transitions. Second operand 7 states. [2018-04-06 19:39:56,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:56,080 INFO L93 Difference]: Finished difference Result 129 states and 139 transitions. [2018-04-06 19:39:56,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 19:39:56,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 39 [2018-04-06 19:39:56,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:56,081 INFO L225 Difference]: With dead ends: 129 [2018-04-06 19:39:56,081 INFO L226 Difference]: Without dead ends: 128 [2018-04-06 19:39:56,082 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-04-06 19:39:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-04-06 19:39:56,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-04-06 19:39:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-06 19:39:56,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 137 transitions. [2018-04-06 19:39:56,091 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 137 transitions. Word has length 39 [2018-04-06 19:39:56,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:56,092 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 137 transitions. [2018-04-06 19:39:56,092 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-06 19:39:56,092 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 137 transitions. [2018-04-06 19:39:56,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-06 19:39:56,092 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:56,093 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:56,093 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:56,093 INFO L82 PathProgramCache]: Analyzing trace with hash -406781997, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:56,099 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:56,123 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:56,190 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:56,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-06 19:39:56,257 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:56,258 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:56,258 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-04-06 19:39:56,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:56,287 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:56,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2018-04-06 19:39:56,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-06 19:39:56,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-06 19:39:56,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-06 19:39:56,288 INFO L87 Difference]: Start difference. First operand 128 states and 137 transitions. Second operand 15 states. [2018-04-06 19:39:56,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:56,523 INFO L93 Difference]: Finished difference Result 192 states and 206 transitions. [2018-04-06 19:39:56,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-06 19:39:56,524 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 39 [2018-04-06 19:39:56,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:56,525 INFO L225 Difference]: With dead ends: 192 [2018-04-06 19:39:56,525 INFO L226 Difference]: Without dead ends: 184 [2018-04-06 19:39:56,526 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2018-04-06 19:39:56,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-06 19:39:56,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 137. [2018-04-06 19:39:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-06 19:39:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-04-06 19:39:56,532 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 39 [2018-04-06 19:39:56,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:56,532 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-04-06 19:39:56,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-06 19:39:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-04-06 19:39:56,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-06 19:39:56,533 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:56,533 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:56,533 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:56,533 INFO L82 PathProgramCache]: Analyzing trace with hash 2101014142, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:56,546 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:56,563 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:56,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:56,589 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-06 19:39:56,591 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 23 treesize of output 15 [2018-04-06 19:39:56,592 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:56,596 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:56,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 19:39:56,602 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:39:56,624 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-06 19:39:56,628 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-06 19:39:56,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:56,634 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:56,660 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_18| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_18|))) (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_18| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_18| 0) |c_old(#valid)|))) is different from false [2018-04-06 19:39:56,664 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_18| Int) (|v_main_#t~malloc13.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_17|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_18| 1) |v_main_#t~malloc13.base_17| 0) |v_main_#t~malloc14.base_18| 0))))) is different from false [2018-04-06 19:39:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:56,701 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:56,702 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-06 19:39:56,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-06 19:39:56,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-06 19:39:56,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-06 19:39:56,702 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 12 states. [2018-04-06 19:39:56,713 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_18| Int) (|v_main_#t~malloc13.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_17|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_18|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_18| 1) |v_main_#t~malloc13.base_17| 0) |v_main_#t~malloc14.base_18| 0)))))) is different from false [2018-04-06 19:39:57,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:57,084 INFO L93 Difference]: Finished difference Result 212 states and 226 transitions. [2018-04-06 19:39:57,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 19:39:57,085 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 39 [2018-04-06 19:39:57,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:57,086 INFO L225 Difference]: With dead ends: 212 [2018-04-06 19:39:57,086 INFO L226 Difference]: Without dead ends: 184 [2018-04-06 19:39:57,087 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-06 19:39:57,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-06 19:39:57,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 137. [2018-04-06 19:39:57,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-06 19:39:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2018-04-06 19:39:57,096 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 39 [2018-04-06 19:39:57,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:57,097 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2018-04-06 19:39:57,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-06 19:39:57,097 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2018-04-06 19:39:57,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-06 19:39:57,097 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:57,097 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:57,098 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:57,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1439899898, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:57,103 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:57,119 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:57,143 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:57,144 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-06 19:39:57,178 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 23 treesize of output 15 [2018-04-06 19:39:57,178 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,185 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 19:39:57,185 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-06 19:39:57,204 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |c_main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0))))) is different from true [2018-04-06 19:39:57,208 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc14.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc13.base| 1))) (and (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |c_old(#valid)| |main_#t~malloc13.base|)) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc14.base| 1) |main_#t~malloc13.base| 0) |main_#t~malloc14.base| 0))))) is different from true [2018-04-06 19:39:57,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:57,212 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:57,228 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc14.base_20| 1) |c_main_#t~malloc13.base| 0) |v_main_#t~malloc14.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc14.base_20|))))) is different from false [2018-04-06 19:39:57,231 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0))))) is different from false [2018-04-06 19:39:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:57,268 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:39:57,269 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-06 19:39:57,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-06 19:39:57,269 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-06 19:39:57,269 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-06 19:39:57,269 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand 12 states. [2018-04-06 19:39:57,279 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc14.base_20| Int) (|v_main_#t~malloc13.base_19| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc13.base_19| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_19|))) (not (= 0 (select .cse0 |v_main_#t~malloc14.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc14.base_20| 1) |v_main_#t~malloc13.base_19| 0) |v_main_#t~malloc14.base_20| 0)))))) is different from false [2018-04-06 19:39:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:57,586 INFO L93 Difference]: Finished difference Result 140 states and 147 transitions. [2018-04-06 19:39:57,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 19:39:57,586 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-04-06 19:39:57,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:57,587 INFO L225 Difference]: With dead ends: 140 [2018-04-06 19:39:57,587 INFO L226 Difference]: Without dead ends: 112 [2018-04-06 19:39:57,588 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-06 19:39:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-04-06 19:39:57,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 63. [2018-04-06 19:39:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-06 19:39:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2018-04-06 19:39:57,595 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 40 [2018-04-06 19:39:57,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:57,595 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2018-04-06 19:39:57,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-06 19:39:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2018-04-06 19:39:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-06 19:39:57,596 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:57,596 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:57,596 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:57,596 INFO L82 PathProgramCache]: Analyzing trace with hash -659574947, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:57,602 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:57,620 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:57,624 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 [2018-04-06 19:39:57,625 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,627 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,628 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 19:39:57,637 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:57,638 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:39:57,638 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 [2018-04-06 19:39:57,639 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,641 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,641 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-06 19:39:57,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-06 19:39:57,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-06 19:39:57,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,663 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 19:39:57,663 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-06 19:39:57,676 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-06 19:39:57,678 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-06 19:39:57,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,690 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-06 19:39:57,690 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-06 19:39:57,856 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-04-06 19:39:57,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-06 19:39:57,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:57,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-06 19:39:57,870 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 19:39:57,874 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:39:57,884 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:39:57,884 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:52, output treesize:29 [2018-04-06 19:39:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:57,948 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:58,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-06 19:39:58,238 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:58,244 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 13 treesize of output 11 [2018-04-06 19:39:58,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-06 19:39:58,256 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:58,257 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:58,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:58,263 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-06 19:39:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:58,326 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:39:58,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2018-04-06 19:39:58,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-06 19:39:58,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-06 19:39:58,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2018-04-06 19:39:58,327 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 23 states. [2018-04-06 19:39:58,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:39:58,976 INFO L93 Difference]: Finished difference Result 97 states and 99 transitions. [2018-04-06 19:39:58,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-06 19:39:58,976 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 47 [2018-04-06 19:39:58,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:39:58,977 INFO L225 Difference]: With dead ends: 97 [2018-04-06 19:39:58,977 INFO L226 Difference]: Without dead ends: 96 [2018-04-06 19:39:58,978 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 70 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2018-04-06 19:39:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-04-06 19:39:58,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 78. [2018-04-06 19:39:58,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-06 19:39:58,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-04-06 19:39:58,984 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 47 [2018-04-06 19:39:58,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:39:58,984 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-04-06 19:39:58,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-06 19:39:58,984 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-04-06 19:39:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-06 19:39:58,985 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:39:58,985 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:39:58,985 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:39:58,985 INFO L82 PathProgramCache]: Analyzing trace with hash 78137128, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:39:58,990 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:39:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:39:59,010 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:39:59,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-06 19:39:59,018 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-06 19:39:59,018 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,023 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 19:39:59,023 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-06 19:39:59,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-04-06 19:39:59,187 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-06 19:39:59,187 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,204 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2018-04-06 19:39:59,204 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 19:39:59,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2018-04-06 19:39:59,231 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-06 19:39:59,254 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 19:39:59,269 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:39:59,269 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:29 [2018-04-06 19:39:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:59,337 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:39:59,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-06 19:39:59,715 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-06 19:39:59,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-06 19:39:59,763 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-06 19:39:59,775 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,786 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-06 19:39:59,787 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,790 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,798 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:39:59,798 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:69, output treesize:7 [2018-04-06 19:39:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:39:59,830 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:39:59,830 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-06 19:39:59,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-06 19:39:59,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-06 19:39:59,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2018-04-06 19:39:59,831 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 27 states. [2018-04-06 19:40:00,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:40:00,958 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2018-04-06 19:40:00,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-06 19:40:00,959 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 50 [2018-04-06 19:40:00,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:40:00,959 INFO L225 Difference]: With dead ends: 85 [2018-04-06 19:40:00,959 INFO L226 Difference]: Without dead ends: 84 [2018-04-06 19:40:00,960 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=307, Invalid=1949, Unknown=0, NotChecked=0, Total=2256 [2018-04-06 19:40:00,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-06 19:40:00,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2018-04-06 19:40:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-06 19:40:00,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2018-04-06 19:40:00,967 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 50 [2018-04-06 19:40:00,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:40:00,967 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2018-04-06 19:40:00,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-06 19:40:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2018-04-06 19:40:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-06 19:40:00,967 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:40:00,968 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:40:00,968 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:40:00,968 INFO L82 PathProgramCache]: Analyzing trace with hash 177583214, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:40:00,973 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:40:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:40:00,993 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:40:01,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:40:01,023 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:40:01,044 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-04-06 19:40:01,045 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-06 19:40:01,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-06 19:40:01,051 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,054 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 19:40:01,054 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:12 [2018-04-06 19:40:01,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:40:01,107 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 19:40:01,107 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2018-04-06 19:40:01,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 19:40:01,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 19:40:01,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-04-06 19:40:01,108 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 14 states. [2018-04-06 19:40:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:40:01,239 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2018-04-06 19:40:01,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-06 19:40:01,239 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 58 [2018-04-06 19:40:01,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:40:01,240 INFO L225 Difference]: With dead ends: 81 [2018-04-06 19:40:01,240 INFO L226 Difference]: Without dead ends: 73 [2018-04-06 19:40:01,240 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-04-06 19:40:01,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-06 19:40:01,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-04-06 19:40:01,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-06 19:40:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2018-04-06 19:40:01,248 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 58 [2018-04-06 19:40:01,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:40:01,249 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2018-04-06 19:40:01,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 19:40:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-04-06 19:40:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-06 19:40:01,249 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:40:01,249 INFO L355 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:40:01,249 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:40:01,249 INFO L82 PathProgramCache]: Analyzing trace with hash -889218824, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:40:01,255 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:40:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:40:01,285 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:40:01,289 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 [2018-04-06 19:40:01,289 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,294 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 [2018-04-06 19:40:01,295 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,299 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,299 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-06 19:40:01,321 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:40:01,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-06 19:40:01,322 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,331 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:40:01,331 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 19:40:01,332 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 [2018-04-06 19:40:01,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,337 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-06 19:40:01,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-06 19:40:01,360 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-06 19:40:01,360 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,368 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 19:40:01,368 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:32, output treesize:28 [2018-04-06 19:40:01,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-06 19:40:01,408 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-06 19:40:01,408 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,413 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,421 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-06 19:40:01,421 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:39, output treesize:35 [2018-04-06 19:40:01,891 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-06 19:40:01,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-06 19:40:01,895 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:01,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 15 [2018-04-06 19:40:01,910 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 19:40:01,915 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:40:01,945 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:40:01,945 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:52, output treesize:37 [2018-04-06 19:40:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:40:02,067 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:40:02,487 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 15 treesize of output 13 [2018-04-06 19:40:02,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-06 19:40:02,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:02,499 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:02,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:02,505 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:44 [2018-04-06 19:40:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:40:02,672 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:40:02,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-04-06 19:40:02,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-06 19:40:02,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-06 19:40:02,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2018-04-06 19:40:02,673 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand 32 states. [2018-04-06 19:40:03,466 WARN L151 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 73 DAG size of output 61 [2018-04-06 19:40:07,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:40:07,642 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2018-04-06 19:40:07,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-06 19:40:07,643 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 66 [2018-04-06 19:40:07,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:40:07,643 INFO L225 Difference]: With dead ends: 79 [2018-04-06 19:40:07,643 INFO L226 Difference]: Without dead ends: 78 [2018-04-06 19:40:07,644 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=413, Invalid=2035, Unknown=2, NotChecked=0, Total=2450 [2018-04-06 19:40:07,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-06 19:40:07,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 72. [2018-04-06 19:40:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-06 19:40:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2018-04-06 19:40:07,650 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 66 [2018-04-06 19:40:07,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:40:07,650 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2018-04-06 19:40:07,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-06 19:40:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2018-04-06 19:40:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-06 19:40:07,651 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 19:40:07,651 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 19:40:07,651 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation]=== [2018-04-06 19:40:07,651 INFO L82 PathProgramCache]: Analyzing trace with hash 640299949, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 19:40:07,656 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 19:40:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 19:40:07,680 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 19:40:07,683 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 [2018-04-06 19:40:07,683 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:07,688 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:07,688 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 19:40:07,697 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 15 treesize of output 12 [2018-04-06 19:40:07,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-06 19:40:07,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:07,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:07,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:07,701 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-06 19:40:07,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2018-04-06 19:40:07,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-04-06 19:40:07,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:07,910 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 19 [2018-04-06 19:40:07,910 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 19:40:07,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2018-04-06 19:40:07,938 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-06 19:40:07,951 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 19:40:07,965 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:40:07,965 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:32 [2018-04-06 19:40:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:40:08,034 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 19:40:08,691 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-06 19:40:08,722 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-06 19:40:08,722 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:08,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-06 19:40:08,733 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:08,744 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-06 19:40:08,744 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 19:40:08,748 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 19:40:08,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 19:40:08,756 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-06 19:40:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 19:40:08,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 19:40:08,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-04-06 19:40:08,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-06 19:40:08,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-06 19:40:08,864 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2018-04-06 19:40:08,864 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand 38 states. [2018-04-06 19:40:10,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 19:40:10,018 INFO L93 Difference]: Finished difference Result 74 states and 76 transitions. [2018-04-06 19:40:10,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-06 19:40:10,018 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 69 [2018-04-06 19:40:10,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 19:40:10,018 INFO L225 Difference]: With dead ends: 74 [2018-04-06 19:40:10,018 INFO L226 Difference]: Without dead ends: 0 [2018-04-06 19:40:10,019 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=691, Invalid=3215, Unknown=0, NotChecked=0, Total=3906 [2018-04-06 19:40:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-06 19:40:10,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-06 19:40:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-06 19:40:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-06 19:40:10,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-04-06 19:40:10,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 19:40:10,020 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-06 19:40:10,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-06 19:40:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-06 19:40:10,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-06 19:40:10,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-06 19:40:10,192 WARN L151 SmtUtils]: Spent 166ms on a formula simplification. DAG size of input: 189 DAG size of output 185 [2018-04-06 19:40:15,534 WARN L151 SmtUtils]: Spent 5307ms on a formula simplification. DAG size of input: 229 DAG size of output 105 [2018-04-06 19:40:15,776 WARN L151 SmtUtils]: Spent 239ms on a formula simplification. DAG size of input: 156 DAG size of output 73 [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-06 19:40:15,898 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-06 19:40:15,899 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-06 19:40:15,899 INFO L416 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L412 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (let ((.cse0 (store |old(#valid)| |main_#t~malloc13.base| 1)) (.cse1 (select |#length| main_~nondetString2~0.base))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= (select |#length| |main_#t~malloc14.base|) main_~length2~0) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= (select |#length| main_~nondetString1~0.base) main_~length1~0) (= |main_#t~malloc14.offset| 0) (exists ((main_~nondetString1~0.offset Int)) (and (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset (select |#length| main_~nondetString1~0.base) (- 1))) 0))) (= |#valid| (store .cse0 |main_#t~malloc14.base| 1)) (= (select |#length| |main_#t~malloc13.base|) main_~length1~0) (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base)))) (not (= |main_#t~malloc14.base| main_~nondetString1~0.base)) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse1 (- 1)))) (= 0 |main_#t~malloc13.offset|) (= (select .cse0 |main_#t~malloc14.base|) 0) (= 0 (select |old(#valid)| |main_#t~malloc13.base|)) (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0))) (= .cse1 main_~length2~0) (= 1 (select |#valid| main_~nondetString2~0.base)))) [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L566''''(line 566) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L556''(lines 553 567) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L566'''(line 566) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-06 19:40:15,900 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 553 567) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L556(lines 556 558) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 553 567) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 553 567) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 553 567) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L562''(line 562) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L563''(line 563) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L563'''(line 563) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L559'(lines 559 561) no Hoare annotation was computed. [2018-04-06 19:40:15,901 INFO L416 ceAbstractionStarter]: For program point L566''(line 566) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr5RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpFINAL(lines 540 552) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L419 ceAbstractionStarter]: At program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpENTRY(lines 540 552) the Hoare annotation is: true [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L545(lines 545 550) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L548''''(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L546'''''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr6RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-04-06 19:40:15,902 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr3RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr7RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L548'''''(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L546''''(lines 546 547) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L548'''''''(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L546'''''''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr4RequiresViolation(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L547''''(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr1RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L548'''(lines 548 549) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr9RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,903 INFO L416 ceAbstractionStarter]: For program point L547''''''(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L546''''''''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L546''''''''''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr0RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpEXIT(lines 540 552) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L545''''(lines 545 550) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L548''''''(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L547'''(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L412 ceAbstractionStarter]: At program point L545'''(lines 545 550) the Hoare annotation is: (let ((.cse0 (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|))) (or (not (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|) (+ .cse0 (- 1))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))) (not (exists ((main_~nondetString1~0.offset Int)) (and (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) main_~nondetString1~0.offset (- 1)))) (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0)))) (or (< |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 0) (not (= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|))) (not (exists ((|v_main_#t~malloc14.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc13.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc14.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc14.base_BEFORE_CALL_7| |v_main_#t~malloc13.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< (select |#length| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.base|) (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s1.offset| 1)) (not (= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.base|))) (< .cse0 (+ |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset| 1)) (< |__U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_#in~s2.offset| 0)) (and (and (<= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset) (<= 0 __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset) (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base)) (= 1 (select |#valid| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= (+ __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.offset 1) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base))) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (- 1)))) (exists ((main_~nondetString1~0.offset Int)) (and (<= 0 main_~nondetString1~0.offset) (<= main_~nondetString1~0.offset 0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) (+ (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s1.base) main_~nondetString1~0.offset (- 1)))))) (exists ((v_main_~nondetString2~0.offset_BEFORE_CALL_3 Int) (main_~length2~0 Int)) (and (<= (+ v_main_~nondetString2~0.offset_BEFORE_CALL_3 main_~length2~0) (select |#length| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base)) (<= __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.offset v_main_~nondetString2~0.offset_BEFORE_CALL_3) (<= 1 main_~length2~0) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmp_~s2.base) (+ v_main_~nondetString2~0.offset_BEFORE_CALL_3 main_~length2~0 (- 1))))))))) [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L547'''''''(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,904 INFO L416 ceAbstractionStarter]: For program point L540'(lines 540 552) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr2RequiresViolation(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point L546'''''''''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrncmp_alloca_true_valid_memsafety_true_termination_i__cstrncmpErr8RequiresViolation(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point L545'(lines 545 550) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point L547'''''(line 547) no Hoare annotation was computed. [2018-04-06 19:40:15,905 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-04-06 19:40:15,912 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,913 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,913 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:40:15,913 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,913 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,913 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,914 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,914 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,914 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,914 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,914 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,915 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,915 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,916 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,916 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,916 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,916 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,916 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,917 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,917 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,919 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,919 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,919 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,920 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,920 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,920 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,920 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,921 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,921 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,921 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,921 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,921 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,922 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,922 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,922 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,928 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,928 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,928 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:40:15,928 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,929 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,929 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,929 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,929 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,930 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,930 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,930 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,931 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,931 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,931 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,931 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,931 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,932 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,932 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,932 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,932 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,932 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,933 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,933 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,933 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,933 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,933 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,934 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,934 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,934 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,934 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,935 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,935 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,935 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,935 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,936 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 07:40:15 BoogieIcfgContainer [2018-04-06 19:40:15,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-06 19:40:15,940 INFO L168 Benchmark]: Toolchain (without parser) took 27098.71 ms. Allocated memory was 307.2 MB in the beginning and 628.6 MB in the end (delta: 321.4 MB). Free memory was 244.9 MB in the beginning and 510.8 MB in the end (delta: -265.9 MB). Peak memory consumption was 248.0 MB. Max. memory is 5.3 GB. [2018-04-06 19:40:15,941 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 307.2 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 19:40:15,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.02 ms. Allocated memory is still 307.2 MB. Free memory was 244.9 MB in the beginning and 220.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-04-06 19:40:15,942 INFO L168 Benchmark]: Boogie Preprocessor took 53.48 ms. Allocated memory is still 307.2 MB. Free memory was 220.8 MB in the beginning and 217.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 5.3 GB. [2018-04-06 19:40:15,942 INFO L168 Benchmark]: RCFGBuilder took 537.98 ms. Allocated memory was 307.2 MB in the beginning and 472.9 MB in the end (delta: 165.7 MB). Free memory was 217.7 MB in the beginning and 404.7 MB in the end (delta: -187.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 5.3 GB. [2018-04-06 19:40:15,942 INFO L168 Benchmark]: TraceAbstraction took 26182.39 ms. Allocated memory was 472.9 MB in the beginning and 628.6 MB in the end (delta: 155.7 MB). Free memory was 404.7 MB in the beginning and 510.8 MB in the end (delta: -106.1 MB). Peak memory consumption was 242.2 MB. Max. memory is 5.3 GB. [2018-04-06 19:40:15,944 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 307.2 MB. Free memory is still 269.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 320.02 ms. Allocated memory is still 307.2 MB. Free memory was 244.9 MB in the beginning and 220.8 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 53.48 ms. Allocated memory is still 307.2 MB. Free memory was 220.8 MB in the beginning and 217.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 537.98 ms. Allocated memory was 307.2 MB in the beginning and 472.9 MB in the end (delta: 165.7 MB). Free memory was 217.7 MB in the beginning and 404.7 MB in the end (delta: -187.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 26182.39 ms. Allocated memory was 472.9 MB in the beginning and 628.6 MB in the end (delta: 155.7 MB). Free memory was 404.7 MB in the beginning and 510.8 MB in the end (delta: -106.1 MB). Peak memory consumption was 242.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-04-06 19:40:15,952 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,953 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,953 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:40:15,953 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,953 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,953 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,954 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,954 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,954 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,954 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,954 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,955 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,956 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,956 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,957 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,957 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,957 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,957 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,957 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,958 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,958 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,958 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,958 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,958 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,958 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,959 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,959 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,959 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,961 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,962 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,962 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-06 19:40:15,962 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-06 19:40:15,962 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,962 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,963 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,963 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,963 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc14.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,963 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,963 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-06 19:40:15,964 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,964 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,964 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString1~0.offset,QUANTIFIED] [2018-04-06 19:40:15,964 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,964 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,965 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,965 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,965 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-06 19:40:15,965 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-06 19:40:15,965 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,965 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,966 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,966 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,966 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,966 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,966 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,967 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,967 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,967 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,967 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,967 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-06 19:40:15,967 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,968 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-06 19:40:15,968 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((!(0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1]) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1])) || !(\exists main_~nondetString1~0.offset : int :: (0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + main_~nondetString1~0.offset + -1] && 0 <= main_~nondetString1~0.offset) && main_~nondetString1~0.offset <= 0)) || (((((s1 < 0 || !(1 == \valid[s1])) || !(\exists v_main_#t~malloc14.base_BEFORE_CALL_7 : int, v_main_#t~malloc13.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc14.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc14.base_BEFORE_CALL_7 == v_main_#t~malloc13.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || unknown-#length-unknown[s1] < s1 + 1) || !(1 == \valid[s2])) || unknown-#length-unknown[s2] < s2 + 1) || s2 < 0) || (((((((0 <= s2 && 0 <= s1) && 1 == \valid[s1]) && 1 == \valid[s2]) && s1 + 1 <= unknown-#length-unknown[s1]) && 0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1]) && (\exists main_~nondetString1~0.offset : int :: (0 <= main_~nondetString1~0.offset && main_~nondetString1~0.offset <= 0) && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + main_~nondetString1~0.offset + -1])) && (\exists v_main_~nondetString2~0.offset_BEFORE_CALL_3 : int, main_~length2~0 : int :: ((v_main_~nondetString2~0.offset_BEFORE_CALL_3 + main_~length2~0 <= unknown-#length-unknown[s2] && s2 <= v_main_~nondetString2~0.offset_BEFORE_CALL_3) && 1 <= main_~length2~0) && 0 == unknown-#memory_int-unknown[s2][v_main_~nondetString2~0.offset_BEFORE_CALL_3 + main_~length2~0 + -1])) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 102 locations, 15 error locations. SAFE Result, 26.0s OverallTime, 21 OverallIterations, 3 TraceHistogramMax, 10.9s AutomataDifference, 0.0s DeadEndRemovalTime, 5.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1524 SDtfs, 2411 SDslu, 6220 SDs, 0 SdLazy, 4330 SolverSat, 204 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1723 GetRequests, 1328 SyntacticMatches, 20 SemanticMatches, 375 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 1899 ImplicationChecksByTransitivity, 13.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=14, 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: 0.1s AutomataMinimizationTime, 21 MinimizatonAttempts, 235 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 345 HoareAnnotationTreeSize, 7 FomulaSimplifications, 447 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2827 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1550 ConstructedInterpolants, 221 QuantifiedInterpolants, 770623 SizeOfPredicates, 191 NumberOfNonLiveVariables, 2571 ConjunctsInSsa, 368 ConjunctsInUnsatCore, 42 InterpolantComputations, 34 PerfectInterpolantSequences, 36/130 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-06_19-40-15-974.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-06_19-40-15-974.csv Received shutdown request...