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_cstrcmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:22:52,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:22:52,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:22:52,690 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-03-28 12:22:52,719 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-28 12:22:52,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:22:52,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:22:52,744 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:22:52,744 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:22:52,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:22:52,744 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:22:52,745 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:22:52,745 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:22:52,745 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:22:52,745 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:22:52,745 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:22:52,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:22:52,745 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:22:52,746 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:22:52,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:22:52,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:22:52,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:22:52,746 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:22:52,746 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:22:52,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:22:52,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:22:52,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:22:52,747 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:22:52,747 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:22:52,747 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:22:52,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:22:52,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:22:52,748 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:22:52,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:22:52,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:22:52,748 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:22:52,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:52,749 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:22:52,749 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:22:52,750 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:22:52,750 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:22:52,750 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:22:52,782 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:22:52,792 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:22:52,795 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:22:52,797 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:22:52,797 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:22:52,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,116 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe92fd2e34 [2018-03-28 12:22:53,326 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:22:53,326 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:22:53,327 INFO L171 CDTParser]: Scanning openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,337 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:22:53,337 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:22:53,337 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:22:53,337 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,337 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,338 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,338 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp ('cstrcmp') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,338 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:22:53,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,338 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__timer_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,339 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__register_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____clock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__loff_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____key_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,340 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int8_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____time_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____timer_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,341 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ushort in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____off_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ino_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,342 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__key_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__dev_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_int in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__time_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,343 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__uint in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__id_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____off64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,344 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_char in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fd_set in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__int16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____dev_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,345 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__uid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____id_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____gid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,346 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__size_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____ino_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____pid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____loff_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_long in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,347 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__quad_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_short in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__clock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__mode_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,348 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__off_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____int16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_short in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_char in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____u_long in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__div_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,349 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__gid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__ulong in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,350 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____mode_t in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:53,369 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe92fd2e34 [2018-03-28 12:22:53,374 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:22:53,378 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:22:53,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:22:53,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:22:53,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:22:53,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9e4e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53, skipping insertion in model container [2018-03-28 12:22:53,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,405 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:22:53,435 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:22:53,597 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:22:53,646 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:22:53,653 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-28 12:22:53,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53 WrapperNode [2018-03-28 12:22:53,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:22:53,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:22:53,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:22:53,702 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:22:53,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... [2018-03-28 12:22:53,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:22:53,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:22:53,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:22:53,760 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:22:53,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:22:53,883 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:22:53,884 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:22:53,884 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:22:53,884 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:22:53,884 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp [2018-03-28 12:22:53,884 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:22:53,884 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:22:53,884 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:22:53,885 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:22:53,886 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:22:53,886 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:22:53,886 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:22:53,886 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:22:53,886 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:22:53,886 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:22:53,887 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:22:53,888 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:22:53,889 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:22:53,890 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:22:53,891 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:22:53,892 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:22:53,893 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:22:53,894 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:22:53,895 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp [2018-03-28 12:22:53,896 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:22:53,896 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:22:53,896 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:22:53,896 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:22:53,896 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:22:53,896 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:22:53,896 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:22:53,897 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:22:54,314 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:22:54,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:22:54 BoogieIcfgContainer [2018-03-28 12:22:54,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:22:54,316 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:22:54,316 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:22:54,319 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:22:54,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:22:53" (1/3) ... [2018-03-28 12:22:54,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6d4acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:22:54, skipping insertion in model container [2018-03-28 12:22:54,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:22:53" (2/3) ... [2018-03-28 12:22:54,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d6d4acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:22:54, skipping insertion in model container [2018-03-28 12:22:54,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:22:54" (3/3) ... [2018-03-28 12:22:54,323 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:22:54,332 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:22:54,340 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-03-28 12:22:54,385 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:22:54,385 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:22:54,385 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:22:54,385 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:22:54,386 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:22:54,386 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:22:54,386 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:22:54,386 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:22:54,386 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:22:54,386 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:22:54,399 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-03-28 12:22:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-03-28 12:22:54,404 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:54,404 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:22:54,404 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:54,408 INFO L82 PathProgramCache]: Analyzing trace with hash 398232253, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:54,420 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:54,463 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:54,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:22:54,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,511 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,512 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:22:54,536 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:22:54,537 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,551 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:22:54,551 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 12:22:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:54,560 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:54,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:54,634 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:54,634 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:22:54,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:22:54,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:22:54,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:22:54,654 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 4 states. [2018-03-28 12:22:54,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:54,749 INFO L93 Difference]: Finished difference Result 108 states and 111 transitions. [2018-03-28 12:22:54,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:22:54,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-03-28 12:22:54,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:54,758 INFO L225 Difference]: With dead ends: 108 [2018-03-28 12:22:54,758 INFO L226 Difference]: Without dead ends: 78 [2018-03-28 12:22:54,760 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 [2018-03-28 12:22:54,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-03-28 12:22:54,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-03-28 12:22:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-03-28 12:22:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2018-03-28 12:22:54,790 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 19 [2018-03-28 12:22:54,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:54,790 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2018-03-28 12:22:54,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:22:54,791 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2018-03-28 12:22:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-03-28 12:22:54,791 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:54,791 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:22:54,791 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:54,792 INFO L82 PathProgramCache]: Analyzing trace with hash 398232254, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:54,798 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:54,815 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:54,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:22:54,852 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,860 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:22:54,861 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,868 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-03-28 12:22:54,914 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:22:54,915 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:22:54,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:22:54,917 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:22:54,937 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:54,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-03-28 12:22:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:54,966 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:55,084 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:55,085 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-03-28 12:22:55,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,126 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:55,126 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-03-28 12:22:55,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 12:22:55,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 12:22:55,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-03-28 12:22:55,129 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 9 states. [2018-03-28 12:22:55,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:55,392 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2018-03-28 12:22:55,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:22:55,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-03-28 12:22:55,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:55,394 INFO L225 Difference]: With dead ends: 78 [2018-03-28 12:22:55,394 INFO L226 Difference]: Without dead ends: 77 [2018-03-28 12:22:55,395 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:22:55,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-03-28 12:22:55,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-03-28 12:22:55,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-03-28 12:22:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2018-03-28 12:22:55,404 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 19 [2018-03-28 12:22:55,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:55,404 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2018-03-28 12:22:55,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 12:22:55,404 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2018-03-28 12:22:55,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-03-28 12:22:55,405 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:55,405 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] [2018-03-28 12:22:55,406 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:55,406 INFO L82 PathProgramCache]: Analyzing trace with hash -539702044, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:55,416 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:55,430 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:55,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:22:55,437 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:55,456 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:55,456 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-28 12:22:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,474 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:55,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,522 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:55,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-28 12:22:55,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:22:55,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:22:55,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:22:55,523 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand 7 states. [2018-03-28 12:22:55,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:55,608 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2018-03-28 12:22:55,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:22:55,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-03-28 12:22:55,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:55,610 INFO L225 Difference]: With dead ends: 77 [2018-03-28 12:22:55,610 INFO L226 Difference]: Without dead ends: 76 [2018-03-28 12:22:55,611 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 [2018-03-28 12:22:55,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-03-28 12:22:55,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-03-28 12:22:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-03-28 12:22:55,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2018-03-28 12:22:55,618 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 20 [2018-03-28 12:22:55,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:55,618 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2018-03-28 12:22:55,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:22:55,618 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2018-03-28 12:22:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-03-28 12:22:55,619 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:55,619 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] [2018-03-28 12:22:55,619 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:55,620 INFO L82 PathProgramCache]: Analyzing trace with hash -539702045, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:55,626 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:55,637 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:55,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:22:55,641 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:55,643 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:55,643 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:22:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,648 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,674 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:55,674 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:22:55,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:22:55,674 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:22:55,674 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:22:55,675 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 4 states. [2018-03-28 12:22:55,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:55,733 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2018-03-28 12:22:55,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:22:55,734 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-03-28 12:22:55,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:55,735 INFO L225 Difference]: With dead ends: 76 [2018-03-28 12:22:55,735 INFO L226 Difference]: Without dead ends: 75 [2018-03-28 12:22:55,735 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 [2018-03-28 12:22:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-03-28 12:22:55,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-03-28 12:22:55,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-03-28 12:22:55,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2018-03-28 12:22:55,741 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 20 [2018-03-28 12:22:55,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:55,741 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2018-03-28 12:22:55,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:22:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2018-03-28 12:22:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:22:55,742 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:55,742 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:22:55,742 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:55,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1995161360, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:55,748 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:55,761 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:55,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,770 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,795 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:55,795 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:22:55,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:22:55,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:22:55,796 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:22:55,796 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 5 states. [2018-03-28 12:22:55,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:55,851 INFO L93 Difference]: Finished difference Result 81 states and 84 transitions. [2018-03-28 12:22:55,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:22:55,851 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-03-28 12:22:55,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:55,854 INFO L225 Difference]: With dead ends: 81 [2018-03-28 12:22:55,854 INFO L226 Difference]: Without dead ends: 79 [2018-03-28 12:22:55,854 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:22:55,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-03-28 12:22:55,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-03-28 12:22:55,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-03-28 12:22:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2018-03-28 12:22:55,861 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 25 [2018-03-28 12:22:55,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:55,862 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2018-03-28 12:22:55,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:22:55,862 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2018-03-28 12:22:55,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:22:55,863 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:55,863 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:22:55,863 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:55,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1995161359, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:55,870 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:55,890 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:55,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:55,934 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:55,942 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 [2018-03-28 12:22:55,943 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:55,952 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 [2018-03-28 12:22:55,952 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:55,959 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:22:55,959 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-28 12:22:55,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,005 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:56,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-03-28 12:22:56,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 12:22:56,005 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 12:22:56,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:22:56,006 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand 8 states. [2018-03-28 12:22:56,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:56,143 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2018-03-28 12:22:56,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:22:56,143 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-03-28 12:22:56,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:56,144 INFO L225 Difference]: With dead ends: 79 [2018-03-28 12:22:56,144 INFO L226 Difference]: Without dead ends: 77 [2018-03-28 12:22:56,145 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:22:56,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-03-28 12:22:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-03-28 12:22:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-03-28 12:22:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2018-03-28 12:22:56,151 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 25 [2018-03-28 12:22:56,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:56,152 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2018-03-28 12:22:56,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 12:22:56,152 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2018-03-28 12:22:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 12:22:56,153 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:56,153 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] [2018-03-28 12:22:56,153 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:56,153 INFO L82 PathProgramCache]: Analyzing trace with hash 200356456, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:56,161 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:56,180 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,217 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,268 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:56,268 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 12:22:56,268 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:22:56,268 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:22:56,268 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:22:56,269 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 6 states. [2018-03-28 12:22:56,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:56,326 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2018-03-28 12:22:56,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:22:56,327 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-03-28 12:22:56,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:56,328 INFO L225 Difference]: With dead ends: 75 [2018-03-28 12:22:56,328 INFO L226 Difference]: Without dead ends: 74 [2018-03-28 12:22:56,328 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:22:56,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-03-28 12:22:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-03-28 12:22:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-03-28 12:22:56,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2018-03-28 12:22:56,334 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 28 [2018-03-28 12:22:56,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:56,334 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2018-03-28 12:22:56,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:22:56,334 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2018-03-28 12:22:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-03-28 12:22:56,335 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:56,335 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] [2018-03-28 12:22:56,335 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:56,335 INFO L82 PathProgramCache]: Analyzing trace with hash 200356457, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:56,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:56,357 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,410 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:56,419 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 [2018-03-28 12:22:56,420 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:56,426 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 [2018-03-28 12:22:56,426 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:56,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:22:56,430 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-28 12:22:56,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,463 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:56,463 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-03-28 12:22:56,463 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 12:22:56,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 12:22:56,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-03-28 12:22:56,464 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 9 states. [2018-03-28 12:22:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:56,601 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2018-03-28 12:22:56,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:22:56,601 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-03-28 12:22:56,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:56,602 INFO L225 Difference]: With dead ends: 78 [2018-03-28 12:22:56,602 INFO L226 Difference]: Without dead ends: 77 [2018-03-28 12:22:56,602 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-03-28 12:22:56,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-03-28 12:22:56,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-03-28 12:22:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-03-28 12:22:56,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2018-03-28 12:22:56,606 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 28 [2018-03-28 12:22:56,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:56,607 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2018-03-28 12:22:56,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 12:22:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2018-03-28 12:22:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 12:22:56,608 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:56,608 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:22:56,608 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:56,608 INFO L82 PathProgramCache]: Analyzing trace with hash 2083560446, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:56,613 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:56,635 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:56,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,658 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:56,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,684 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:56,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 12:22:56,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:22:56,684 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:22:56,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:22:56,685 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand 6 states. [2018-03-28 12:22:56,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:56,740 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2018-03-28 12:22:56,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:22:56,741 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-03-28 12:22:56,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:56,742 INFO L225 Difference]: With dead ends: 77 [2018-03-28 12:22:56,742 INFO L226 Difference]: Without dead ends: 75 [2018-03-28 12:22:56,742 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:22:56,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-03-28 12:22:56,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-03-28 12:22:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-03-28 12:22:56,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2018-03-28 12:22:56,748 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 35 [2018-03-28 12:22:56,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:56,748 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2018-03-28 12:22:56,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:22:56,749 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2018-03-28 12:22:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 12:22:56,750 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:56,750 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:22:56,750 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:56,750 INFO L82 PathProgramCache]: Analyzing trace with hash 2083560447, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:56,758 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:56,775 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:56,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,804 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:56,839 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 [2018-03-28 12:22:56,840 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:56,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:56,841 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-03-28 12:22:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:56,872 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:56,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-03-28 12:22:56,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-28 12:22:56,872 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-28 12:22:56,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-03-28 12:22:56,872 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 11 states. [2018-03-28 12:22:56,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:56,969 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2018-03-28 12:22:56,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:22:56,970 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-03-28 12:22:56,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:56,970 INFO L225 Difference]: With dead ends: 77 [2018-03-28 12:22:56,970 INFO L226 Difference]: Without dead ends: 76 [2018-03-28 12:22:56,971 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2018-03-28 12:22:56,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-03-28 12:22:56,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-03-28 12:22:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-03-28 12:22:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2018-03-28 12:22:56,975 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 35 [2018-03-28 12:22:56,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:56,975 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2018-03-28 12:22:56,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-28 12:22:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2018-03-28 12:22:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-03-28 12:22:56,977 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:56,977 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] [2018-03-28 12:22:56,977 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:56,977 INFO L82 PathProgramCache]: Analyzing trace with hash -248041810, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:56,984 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:57,003 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:57,023 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:57,049 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:57,049 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-03-28 12:22:57,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:22:57,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:22:57,050 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:22:57,050 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 7 states. [2018-03-28 12:22:57,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:57,163 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2018-03-28 12:22:57,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 12:22:57,163 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-03-28 12:22:57,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:57,164 INFO L225 Difference]: With dead ends: 74 [2018-03-28 12:22:57,164 INFO L226 Difference]: Without dead ends: 73 [2018-03-28 12:22:57,165 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:22:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-03-28 12:22:57,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-03-28 12:22:57,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-03-28 12:22:57,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2018-03-28 12:22:57,176 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 36 [2018-03-28 12:22:57,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:57,176 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2018-03-28 12:22:57,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:22:57,176 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2018-03-28 12:22:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-03-28 12:22:57,177 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:57,177 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] [2018-03-28 12:22:57,177 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:57,178 INFO L82 PathProgramCache]: Analyzing trace with hash -248041809, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:57,185 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:57,207 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:57,327 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:57,466 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 [2018-03-28 12:22:57,466 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,467 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,469 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-03-28 12:22:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:57,497 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:22:57,497 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2018-03-28 12:22:57,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-03-28 12:22:57,498 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-03-28 12:22:57,498 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-03-28 12:22:57,498 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 15 states. [2018-03-28 12:22:57,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:22:57,855 INFO L93 Difference]: Finished difference Result 107 states and 112 transitions. [2018-03-28 12:22:57,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-28 12:22:57,855 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2018-03-28 12:22:57,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:22:57,856 INFO L225 Difference]: With dead ends: 107 [2018-03-28 12:22:57,856 INFO L226 Difference]: Without dead ends: 106 [2018-03-28 12:22:57,856 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2018-03-28 12:22:57,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-03-28 12:22:57,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 81. [2018-03-28 12:22:57,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-03-28 12:22:57,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2018-03-28 12:22:57,860 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 36 [2018-03-28 12:22:57,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:22:57,861 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2018-03-28 12:22:57,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-03-28 12:22:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2018-03-28 12:22:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:22:57,861 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:22:57,862 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] [2018-03-28 12:22:57,862 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:22:57,862 INFO L82 PathProgramCache]: Analyzing trace with hash -717242792, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:22:57,870 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:22:57,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:22:57,889 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:22:57,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:22:57,898 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,907 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,907 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:22:57,918 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:22:57,918 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:22:57,919 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:22:57,919 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,922 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-03-28 12:22:57,938 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 [2018-03-28 12:22:57,940 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 [2018-03-28 12:22:57,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,942 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:57,947 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:22:57,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-03-28 12:22:57,994 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 [2018-03-28 12:22:58,009 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 [2018-03-28 12:22:58,010 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:58,019 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:58,065 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-03-28 12:22:58,066 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-03-28 12:22:58,240 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 [2018-03-28 12:22:58,242 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 [2018-03-28 12:22:58,242 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:58,251 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 [2018-03-28 12:22:58,251 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:22:58,254 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:22:58,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:22:58,265 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:52, output treesize:29 [2018-03-28 12:22:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:58,316 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:22:58,506 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 [2018-03-28 12:22:58,507 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:58,513 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 [2018-03-28 12:22:58,523 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 [2018-03-28 12:22:58,524 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:22:58,525 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:22:58,530 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. [2018-03-28 12:22:58,530 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-03-28 12:22:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:22:58,581 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:22:58,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2018-03-28 12:22:58,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-03-28 12:22:58,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-03-28 12:22:58,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2018-03-28 12:22:58,582 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 23 states. [2018-03-28 12:23:00,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:00,502 INFO L93 Difference]: Finished difference Result 136 states and 141 transitions. [2018-03-28 12:23:00,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-03-28 12:23:00,502 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 40 [2018-03-28 12:23:00,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:00,504 INFO L225 Difference]: With dead ends: 136 [2018-03-28 12:23:00,504 INFO L226 Difference]: Without dead ends: 135 [2018-03-28 12:23:00,505 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=266, Invalid=1456, Unknown=0, NotChecked=0, Total=1722 [2018-03-28 12:23:00,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-03-28 12:23:00,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 92. [2018-03-28 12:23:00,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-03-28 12:23:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-03-28 12:23:00,510 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 40 [2018-03-28 12:23:00,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:00,511 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-03-28 12:23:00,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-03-28 12:23:00,511 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-03-28 12:23:00,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-03-28 12:23:00,512 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:00,512 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] [2018-03-28 12:23:00,512 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:00,512 INFO L82 PathProgramCache]: Analyzing trace with hash 82274210, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:23:00,521 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:00,549 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:00,557 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 [2018-03-28 12:23:00,560 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 [2018-03-28 12:23:00,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:00,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:00,569 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:23:00,569 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-03-28 12:23:00,787 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 [2018-03-28 12:23:00,790 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 [2018-03-28 12:23:00,790 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:00,813 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 [2018-03-28 12:23:00,814 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:23:00,857 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 [2018-03-28 12:23:00,857 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 12:23:00,870 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:23:00,887 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:23:00,887 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:29 [2018-03-28 12:23:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:00,959 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:01,360 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 [2018-03-28 12:23:01,360 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:01,374 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 [2018-03-28 12:23:01,404 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 [2018-03-28 12:23:01,404 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:01,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-03-28 12:23:01,416 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:01,421 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:01,429 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. [2018-03-28 12:23:01,429 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:69, output treesize:7 [2018-03-28 12:23:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:01,458 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:23:01,459 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-03-28 12:23:01,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-03-28 12:23:01,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-03-28 12:23:01,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2018-03-28 12:23:01,460 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 27 states. [2018-03-28 12:23:02,370 WARN L151 SmtUtils]: Spent 516ms on a formula simplification. DAG size of input: 72 DAG size of output 49 [2018-03-28 12:23:03,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:03,553 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2018-03-28 12:23:03,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-03-28 12:23:03,553 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 43 [2018-03-28 12:23:03,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:03,553 INFO L225 Difference]: With dead ends: 101 [2018-03-28 12:23:03,554 INFO L226 Difference]: Without dead ends: 100 [2018-03-28 12:23:03,554 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=342, Invalid=2310, Unknown=0, NotChecked=0, Total=2652 [2018-03-28 12:23:03,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-03-28 12:23:03,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2018-03-28 12:23:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-03-28 12:23:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2018-03-28 12:23:03,559 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 43 [2018-03-28 12:23:03,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:03,559 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2018-03-28 12:23:03,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-03-28 12:23:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2018-03-28 12:23:03,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-03-28 12:23:03,560 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:03,560 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:23:03,560 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:03,560 INFO L82 PathProgramCache]: Analyzing trace with hash 973533713, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:23:03,566 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:03,583 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:03,618 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:03,619 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 [2018-03-28 12:23:03,624 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:03,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:23:03,626 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:03,630 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:03,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:23:03,634 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:23:03,662 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:03,665 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:03,675 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:03,714 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_16| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_16|))) (= (store (store (store |c_#valid| |v_main_#t~malloc13.base_16| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_16| 0) |c_old(#valid)|))) is different from false [2018-03-28 12:23:03,722 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_16| Int) (|v_main_#t~malloc12.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_15| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc13.base_16| 1) |v_main_#t~malloc12.base_15| 0) |v_main_#t~malloc13.base_16| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_15|))) (not (= (select .cse0 |v_main_#t~malloc13.base_16|) 0))))) is different from false [2018-03-28 12:23:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:03,780 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:23:03,780 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:23:03,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:23:03,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:23:03,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:23:03,781 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand 12 states. [2018-03-28 12:23:03,790 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_16| Int) (|v_main_#t~malloc12.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_15| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc13.base_16| 1) |v_main_#t~malloc12.base_15| 0) |v_main_#t~malloc13.base_16| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_15|))) (not (= (select .cse0 |v_main_#t~malloc13.base_16|) 0)))))) is different from false [2018-03-28 12:23:04,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:04,030 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-03-28 12:23:04,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:23:04,030 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2018-03-28 12:23:04,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:04,031 INFO L225 Difference]: With dead ends: 175 [2018-03-28 12:23:04,031 INFO L226 Difference]: Without dead ends: 150 [2018-03-28 12:23:04,031 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 87 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:23:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-03-28 12:23:04,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2018-03-28 12:23:04,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-03-28 12:23:04,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2018-03-28 12:23:04,040 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 49 [2018-03-28 12:23:04,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:04,040 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2018-03-28 12:23:04,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:23:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2018-03-28 12:23:04,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-03-28 12:23:04,041 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:04,041 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:23:04,041 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:04,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1077272336, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:23:04,047 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:04,065 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:04,095 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:04,095 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 [2018-03-28 12:23:04,098 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 [2018-03-28 12:23:04,098 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:04,102 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:04,105 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:23:04,106 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:23:04,145 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:04,150 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:04,159 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:04,190 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_18| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc13.base_18| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_18| 0)) (not (= (select |c_#valid| |v_main_#t~malloc13.base_18|) 0)))) is different from false [2018-03-28 12:23:04,194 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_17| Int) (|v_main_#t~malloc13.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_18| 1) |v_main_#t~malloc12.base_17| 0) |v_main_#t~malloc13.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_18|) 0))))) is different from false [2018-03-28 12:23:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:04,230 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:23:04,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:23:04,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:23:04,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:23:04,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:23:04,231 INFO L87 Difference]: Start difference. First operand 147 states and 156 transitions. Second operand 12 states. [2018-03-28 12:23:04,240 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc12.base_17| Int) (|v_main_#t~malloc13.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_18| 1) |v_main_#t~malloc12.base_17| 0) |v_main_#t~malloc13.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_18|) 0)))))) is different from false [2018-03-28 12:23:04,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:04,569 INFO L93 Difference]: Finished difference Result 226 states and 238 transitions. [2018-03-28 12:23:04,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:23:04,570 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2018-03-28 12:23:04,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:04,571 INFO L225 Difference]: With dead ends: 226 [2018-03-28 12:23:04,571 INFO L226 Difference]: Without dead ends: 201 [2018-03-28 12:23:04,572 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:23:04,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-03-28 12:23:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 146. [2018-03-28 12:23:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-03-28 12:23:04,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-03-28 12:23:04,584 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 50 [2018-03-28 12:23:04,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:04,584 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-03-28 12:23:04,584 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:23:04,584 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-03-28 12:23:04,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-03-28 12:23:04,585 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:04,585 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:23:04,586 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:04,586 INFO L82 PathProgramCache]: Analyzing trace with hash -241288907, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:23:04,594 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:04,611 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:04,634 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:04,635 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 [2018-03-28 12:23:04,638 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:04,638 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:23:04,638 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:04,643 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:04,646 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:23:04,646 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:23:04,678 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:04,683 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:04,689 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:04,720 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc13.base_20| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_20|))))) is different from false [2018-03-28 12:23:04,723 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_19| Int) (|v_main_#t~malloc13.base_20| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_19| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc13.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc13.base_20| 1) |v_main_#t~malloc12.base_19| 0) |v_main_#t~malloc13.base_20| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_19|)))))) is different from false [2018-03-28 12:23:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:04,759 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:23:04,759 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:23:04,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:23:04,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:23:04,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:23:04,760 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 12 states. [2018-03-28 12:23:04,769 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc12.base_19| Int) (|v_main_#t~malloc13.base_20| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_19| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc13.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc13.base_20| 1) |v_main_#t~malloc12.base_19| 0) |v_main_#t~malloc13.base_20| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_19|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-03-28 12:23:05,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:05,114 INFO L93 Difference]: Finished difference Result 227 states and 239 transitions. [2018-03-28 12:23:05,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:23:05,114 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2018-03-28 12:23:05,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:05,115 INFO L225 Difference]: With dead ends: 227 [2018-03-28 12:23:05,116 INFO L226 Difference]: Without dead ends: 202 [2018-03-28 12:23:05,116 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:23:05,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-03-28 12:23:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2018-03-28 12:23:05,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-03-28 12:23:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 157 transitions. [2018-03-28 12:23:05,131 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 157 transitions. Word has length 50 [2018-03-28 12:23:05,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:05,132 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 157 transitions. [2018-03-28 12:23:05,132 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:23:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2018-03-28 12:23:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-03-28 12:23:05,133 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:05,133 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:23:05,133 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:05,133 INFO L82 PathProgramCache]: Analyzing trace with hash -1320358890, 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 [2018-03-28 12:23:05,141 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:05,167 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:05,206 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:05,207 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 [2018-03-28 12:23:05,215 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 [2018-03-28 12:23:05,215 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:05,219 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:05,223 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:23:05,223 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:23:05,250 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:05,255 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-03-28 12:23:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:05,261 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:05,283 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_22| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_22|))) (= (store (store (store |c_#valid| |v_main_#t~malloc13.base_22| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_22| 0) |c_old(#valid)|))) is different from false [2018-03-28 12:23:05,287 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_22| Int) (|v_main_#t~malloc12.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_21| 1))) (or (not (= (select .cse0 |v_main_#t~malloc13.base_22|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc13.base_22| 1) |v_main_#t~malloc12.base_21| 0) |v_main_#t~malloc13.base_22| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_21|)))))) is different from false [2018-03-28 12:23:05,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:05,341 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:23:05,341 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:23:05,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:23:05,342 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:23:05,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:23:05,342 INFO L87 Difference]: Start difference. First operand 148 states and 157 transitions. Second operand 12 states. [2018-03-28 12:23:05,378 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_22| Int) (|v_main_#t~malloc12.base_21| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_21| 1))) (or (not (= (select .cse0 |v_main_#t~malloc13.base_22|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc13.base_22| 1) |v_main_#t~malloc12.base_21| 0) |v_main_#t~malloc13.base_22| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_21|))))))) is different from false [2018-03-28 12:23:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:05,700 INFO L93 Difference]: Finished difference Result 151 states and 157 transitions. [2018-03-28 12:23:05,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:23:05,701 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2018-03-28 12:23:05,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:05,702 INFO L225 Difference]: With dead ends: 151 [2018-03-28 12:23:05,702 INFO L226 Difference]: Without dead ends: 126 [2018-03-28 12:23:05,702 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 91 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:23:05,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-03-28 12:23:05,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 70. [2018-03-28 12:23:05,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-03-28 12:23:05,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2018-03-28 12:23:05,711 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 51 [2018-03-28 12:23:05,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:05,711 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2018-03-28 12:23:05,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:23:05,711 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-03-28 12:23:05,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-03-28 12:23:05,711 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:05,711 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] [2018-03-28 12:23:05,711 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:05,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1033561368, 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 [2018-03-28 12:23:05,730 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:05,753 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:05,806 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:05,830 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 [2018-03-28 12:23:05,831 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-28 12:23:05,839 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 [2018-03-28 12:23:05,839 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:05,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:23:05,843 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:12 [2018-03-28 12:23:05,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:05,898 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:23:05,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2018-03-28 12:23:05,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-03-28 12:23:05,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-03-28 12:23:05,898 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-03-28 12:23:05,899 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 14 states. [2018-03-28 12:23:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:06,031 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2018-03-28 12:23:06,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-03-28 12:23:06,031 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-03-28 12:23:06,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:06,032 INFO L225 Difference]: With dead ends: 70 [2018-03-28 12:23:06,032 INFO L226 Difference]: Without dead ends: 62 [2018-03-28 12:23:06,032 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=270, Unknown=0, NotChecked=0, Total=380 [2018-03-28 12:23:06,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-03-28 12:23:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-03-28 12:23:06,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-03-28 12:23:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-03-28 12:23:06,041 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 51 [2018-03-28 12:23:06,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:06,041 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-03-28 12:23:06,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-03-28 12:23:06,041 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-03-28 12:23:06,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-03-28 12:23:06,042 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:06,042 INFO L355 BasicCegarLoop]: trace histogram [3, 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] [2018-03-28 12:23:06,042 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:06,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1220208145, 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 [2018-03-28 12:23:06,048 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:06,068 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:06,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:23:06,071 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:23:06,075 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,078 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,079 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 12:23:06,096 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:06,097 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:23:06,097 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,105 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:06,106 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:23:06,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:23:06,107 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,113 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,113 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-03-28 12:23:06,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:23:06,151 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 [2018-03-28 12:23:06,151 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,152 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,156 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-03-28 12:23:06,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-03-28 12:23:06,182 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 [2018-03-28 12:23:06,182 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,192 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:23:06,192 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-03-28 12:23:06,459 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 33 treesize of output 31 [2018-03-28 12:23:06,466 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 17 treesize of output 14 [2018-03-28 12:23:06,496 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:23:06,504 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 [2018-03-28 12:23:06,504 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:06,507 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:23:06,514 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:23:06,515 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:32 [2018-03-28 12:23:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:06,589 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:07,058 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 [2018-03-28 12:23:07,066 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 12:23:07,067 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:07,068 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:07,073 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:23:07,073 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:35 [2018-03-28 12:23:07,493 WARN L148 SmtUtils]: Spent 344ms on a formula simplification that was a NOOP. DAG size: 34 [2018-03-28 12:23:07,861 WARN L148 SmtUtils]: Spent 326ms on a formula simplification that was a NOOP. DAG size: 34 [2018-03-28 12:23:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:07,894 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:23:07,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-03-28 12:23:07,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-03-28 12:23:07,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-03-28 12:23:07,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2018-03-28 12:23:07,895 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 32 states. [2018-03-28 12:23:16,601 WARN L151 SmtUtils]: Spent 8132ms on a formula simplification. DAG size of input: 60 DAG size of output 50 [2018-03-28 12:23:23,715 WARN L151 SmtUtils]: Spent 7078ms on a formula simplification. DAG size of input: 64 DAG size of output 54 [2018-03-28 12:23:26,865 WARN L151 SmtUtils]: Spent 3092ms on a formula simplification. DAG size of input: 58 DAG size of output 48 [2018-03-28 12:23:29,427 WARN L151 SmtUtils]: Spent 2038ms on a formula simplification. DAG size of input: 42 DAG size of output 34 [2018-03-28 12:23:29,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:29,588 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-03-28 12:23:29,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-03-28 12:23:29,588 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 55 [2018-03-28 12:23:29,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:29,589 INFO L225 Difference]: With dead ends: 68 [2018-03-28 12:23:29,589 INFO L226 Difference]: Without dead ends: 67 [2018-03-28 12:23:29,590 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 22.9s TimeCoverageRelationStatistics Valid=415, Invalid=2035, Unknown=0, NotChecked=0, Total=2450 [2018-03-28 12:23:29,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-03-28 12:23:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-03-28 12:23:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-03-28 12:23:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2018-03-28 12:23:29,599 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 55 [2018-03-28 12:23:29,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:29,600 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2018-03-28 12:23:29,600 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-03-28 12:23:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-03-28 12:23:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-28 12:23:29,601 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:23:29,601 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-03-28 12:23:29,601 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation, __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation]=== [2018-03-28 12:23:29,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1382352567, 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 [2018-03-28 12:23:29,611 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:23:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:23:29,639 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:23:29,642 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:23:29,642 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:29,645 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:29,645 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:23:29,655 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-03-28 12:23:29,656 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 [2018-03-28 12:23:29,656 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:29,657 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:29,658 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:29,658 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-03-28 12:23:30,295 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 [2018-03-28 12:23:30,314 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 [2018-03-28 12:23:30,330 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:23:30,343 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 [2018-03-28 12:23:30,344 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:30,359 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 [2018-03-28 12:23:30,360 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 12:23:30,375 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:23:30,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:23:30,388 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:32 [2018-03-28 12:23:30,451 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:30,451 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:23:31,141 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 [2018-03-28 12:23:31,174 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 [2018-03-28 12:23:31,175 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:23:31,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:23:31,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:23:31,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-03-28 12:23:31,291 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:23:31,320 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:23:31,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-03-28 12:23:31,321 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-03-28 12:23:31,321 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-03-28 12:23:31,322 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2018-03-28 12:23:31,322 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 38 states. [2018-03-28 12:23:32,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:23:32,605 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-03-28 12:23:32,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-03-28 12:23:32,605 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 58 [2018-03-28 12:23:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:23:32,605 INFO L225 Difference]: With dead ends: 63 [2018-03-28 12:23:32,605 INFO L226 Difference]: Without dead ends: 0 [2018-03-28 12:23:32,606 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=691, Invalid=3215, Unknown=0, NotChecked=0, Total=3906 [2018-03-28 12:23:32,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-03-28 12:23:32,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-03-28 12:23:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-03-28 12:23:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-03-28 12:23:32,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-03-28 12:23:32,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:23:32,607 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-03-28 12:23:32,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-03-28 12:23:32,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-03-28 12:23:32,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-03-28 12:23:32,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-03-28 12:23:32,804 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 191 DAG size of output 184 [2018-03-28 12:23:38,326 WARN L151 SmtUtils]: Spent 5436ms on a formula simplification. DAG size of input: 222 DAG size of output 98 [2018-03-28 12:23:38,433 WARN L151 SmtUtils]: Spent 105ms on a formula simplification. DAG size of input: 163 DAG size of output 1 [2018-03-28 12:23:38,626 WARN L151 SmtUtils]: Spent 190ms on a formula simplification. DAG size of input: 153 DAG size of output 69 [2018-03-28 12:23:38,628 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:23:38,629 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-03-28 12:23:38,629 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-03-28 12:23:38,629 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:23:38,629 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:23:38,629 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-28 12:23:38,629 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-03-28 12:23:38,629 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-28 12:23:38,629 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-03-28 12:23:38,630 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:23:38,630 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-03-28 12:23:38,630 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:23:38,630 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:23:38,630 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-03-28 12:23:38,630 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-03-28 12:23:38,630 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-03-28 12:23:38,630 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-03-28 12:23:38,630 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L412 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse1 (select |#length| main_~nondetString1~0.base)) (.cse0 (store |old(#valid)| |main_#t~malloc12.base| 1)) (.cse2 (select |#length| main_~nondetString2~0.base))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= |main_#t~malloc12.offset| 0) (= |#valid| (store .cse0 |main_#t~malloc13.base| 1)) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= .cse1 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)))) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse2 (- 1)))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse1 (- 1)))) (= 0 |main_#t~malloc13.offset|) (= (select |#length| |main_#t~malloc12.base|) main_~length1~0) (= (select .cse0 |main_#t~malloc13.base|) 0) (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))) (= .cse2 main_~length2~0) (= (select |#length| |main_#t~malloc13.base|) main_~length2~0) (= 1 (select |#valid| main_~nondetString2~0.base)) (= 0 (select |old(#valid)| |main_#t~malloc12.base|)) (not (= |main_#t~malloc13.base| main_~nondetString1~0.base)))) [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 559) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 559) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point L551''(lines 548 562) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 560) no Hoare annotation was computed. [2018-03-28 12:23:38,631 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L554'(lines 554 556) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L558''(line 558) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L558'(line 558) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 560) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L551(lines 551 553) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-03-28 12:23:38,632 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 548 562) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 548 562) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 548 562) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 548 562) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point L558'''(line 558) no Hoare annotation was computed. [2018-03-28 12:23:38,633 INFO L416 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L559'(line 559) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr1RequiresViolation(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 547) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 545) no Hoare annotation was computed. [2018-03-28 12:23:38,634 INFO L416 ceAbstractionStarter]: For program point L546'''''(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L543''''''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr2RequiresViolation(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr3RequiresViolation(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L543'''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L546''''(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L543'''''''''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr4RequiresViolation(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,635 INFO L416 ceAbstractionStarter]: For program point L544''''''(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point L543'(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr9RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''(lines 543 545) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr6RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point L544'''(lines 544 545) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point L543''''(lines 543 545) no Hoare annotation was computed. [2018-03-28 12:23:38,636 INFO L416 ceAbstractionStarter]: For program point L543'''''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,637 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,637 INFO L419 ceAbstractionStarter]: At program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpENTRY(lines 540 547) the Hoare annotation is: true [2018-03-28 12:23:38,637 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr7RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,637 INFO L412 ceAbstractionStarter]: At program point L543''''''''''''(lines 543 545) the Hoare annotation is: (let ((.cse2 (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|))) (or (not (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) (+ (select |#length| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) (- 1))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base| main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))) (let ((.cse1 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base)) (.cse0 (select |#length| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base))) (and (and (<= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset) (<= 0 __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.offset 1) .cse0) (= (select |#valid| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) 1) (= (select |#valid| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) 1) (<= (+ __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.offset 1) .cse1)) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s2.base) (+ .cse1 (- 1)))) (= 0 (select (select |#memory_int| __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_~s1.base) (+ .cse0 (- 1)))))) (not (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) (+ .cse2 (- 1))))) (or (< .cse2 (+ |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset| 1)) (not (= 1 (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|))) (not (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_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|)) (<= 1 main_~length2~0) (= 0 (select (select |#memory_int| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.base|) (+ v_main_~nondetString2~0.offset_BEFORE_CALL_3 main_~length2~0 (- 1)))) (<= |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset| v_main_~nondetString2~0.offset_BEFORE_CALL_3)))) (< |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.offset| 0) (not (= (select |#valid| |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s1.base|) 1)) (not (exists ((|v_main_#t~malloc12.base_BEFORE_CALL_5| Int) (|v_main_#t~malloc13.base_BEFORE_CALL_5| Int)) (and (not (= |v_main_#t~malloc13.base_BEFORE_CALL_5| |v_main_#t~malloc12.base_BEFORE_CALL_5|)) (= (select |#valid| |v_main_#t~malloc12.base_BEFORE_CALL_5|) 1) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_5|) 1)))) (< |__U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp_#in~s2.offset| 0)))) [2018-03-28 12:23:38,637 INFO L416 ceAbstractionStarter]: For program point L543''''''''''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,637 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpEXIT(lines 540 547) no Hoare annotation was computed. [2018-03-28 12:23:38,637 INFO L416 ceAbstractionStarter]: For program point L543'''''''(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,637 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr8RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,638 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpFINAL(lines 540 547) no Hoare annotation was computed. [2018-03-28 12:23:38,638 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr0RequiresViolation(line 543) no Hoare annotation was computed. [2018-03-28 12:23:38,638 INFO L416 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,638 INFO L416 ceAbstractionStarter]: For program point L544'''''(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,638 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,638 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-03-28 12:23:38,638 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmpErr5RequiresViolation(line 544) no Hoare annotation was computed. [2018-03-28 12:23:38,645 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,646 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,647 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:23:38,647 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,648 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,648 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,648 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,648 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,649 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,649 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,649 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,649 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,650 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,650 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,651 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,652 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,653 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,654 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,655 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,661 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,661 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,661 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:23:38,662 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,662 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,662 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,663 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,663 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,663 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,663 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,664 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,664 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,664 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,664 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,664 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,665 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,665 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,665 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,665 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,665 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,666 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,666 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,666 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,666 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,666 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,667 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,667 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,667 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,667 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:23:38 BoogieIcfgContainer [2018-03-28 12:23:38,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 12:23:38,671 INFO L168 Benchmark]: Toolchain (without parser) took 45296.52 ms. Allocated memory was 303.0 MB in the beginning and 644.9 MB in the end (delta: 341.8 MB). Free memory was 237.0 MB in the beginning and 511.9 MB in the end (delta: -274.9 MB). Peak memory consumption was 254.7 MB. Max. memory is 5.3 GB. [2018-03-28 12:23:38,672 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 303.0 MB. Free memory is still 265.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:23:38,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.33 ms. Allocated memory is still 303.0 MB. Free memory was 237.0 MB in the beginning and 213.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:23:38,673 INFO L168 Benchmark]: Boogie Preprocessor took 57.06 ms. Allocated memory is still 303.0 MB. Free memory was 213.0 MB in the beginning and 211.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:23:38,673 INFO L168 Benchmark]: RCFGBuilder took 555.44 ms. Allocated memory was 303.0 MB in the beginning and 464.0 MB in the end (delta: 161.0 MB). Free memory was 211.0 MB in the beginning and 397.0 MB in the end (delta: -186.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-03-28 12:23:38,674 INFO L168 Benchmark]: TraceAbstraction took 44354.48 ms. Allocated memory was 464.0 MB in the beginning and 644.9 MB in the end (delta: 180.9 MB). Free memory was 397.0 MB in the beginning and 511.9 MB in the end (delta: -114.9 MB). Peak memory consumption was 253.8 MB. Max. memory is 5.3 GB. [2018-03-28 12:23:38,675 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 303.0 MB. Free memory is still 265.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 322.33 ms. Allocated memory is still 303.0 MB. Free memory was 237.0 MB in the beginning and 213.0 MB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.06 ms. Allocated memory is still 303.0 MB. Free memory was 213.0 MB in the beginning and 211.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 555.44 ms. Allocated memory was 303.0 MB in the beginning and 464.0 MB in the end (delta: 161.0 MB). Free memory was 211.0 MB in the beginning and 397.0 MB in the end (delta: -186.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 44354.48 ms. Allocated memory was 464.0 MB in the beginning and 644.9 MB in the end (delta: 180.9 MB). Free memory was 397.0 MB in the beginning and 511.9 MB in the end (delta: -114.9 MB). Peak memory consumption was 253.8 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[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_~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[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,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[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_~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[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,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 #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 #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 #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 #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 #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 #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 559]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 559]: 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: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: 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: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: 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: 543]: Loop Invariant [2018-03-28 12:23:38,683 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,683 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,683 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:23:38,683 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,684 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,684 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,684 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,685 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,686 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,686 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,686 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,686 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,686 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,687 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,687 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,687 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,687 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,687 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,687 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,688 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,688 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,688 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,688 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,688 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,691 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,691 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,691 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:23:38,691 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:23:38,692 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,692 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,692 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,692 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,692 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:23:38,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-03-28 12:23:38,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-03-28 12:23:38,693 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,694 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,694 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,694 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,694 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,694 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,694 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:23:38,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,696 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:23:38,696 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 :: !(s1 == main_~nondetString2~0.base) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1])) || (((((((0 <= s2 && 0 <= s1) && s1 + 1 <= unknown-#length-unknown[s1]) && \valid[s2] == 1) && \valid[s1] == 1) && s2 + 1 <= unknown-#length-unknown[s2]) && 0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1]) && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || !(0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || (((((unknown-#length-unknown[s1] < s1 + 1 || !(1 == \valid[s2])) || !(\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] && 1 <= main_~length2~0) && 0 == unknown-#memory_int-unknown[s2][v_main_~nondetString2~0.offset_BEFORE_CALL_3 + main_~length2~0 + -1]) && s2 <= v_main_~nondetString2~0.offset_BEFORE_CALL_3)) || s1 < 0) || !(\valid[s1] == 1)) || !(\exists v_main_#t~malloc12.base_BEFORE_CALL_5 : int, v_main_#t~malloc13.base_BEFORE_CALL_5 : int :: (!(v_main_#t~malloc13.base_BEFORE_CALL_5 == v_main_#t~malloc12.base_BEFORE_CALL_5) && \valid[v_main_#t~malloc12.base_BEFORE_CALL_5] == 1) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_5] == 1)) || s2 < 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 92 locations, 15 error locations. SAFE Result, 44.2s OverallTime, 21 OverallIterations, 3 TraceHistogramMax, 30.0s AutomataDifference, 0.0s DeadEndRemovalTime, 6.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1308 SDtfs, 2054 SDslu, 5742 SDs, 0 SdLazy, 4115 SolverSat, 205 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1687 GetRequests, 1282 SyntacticMatches, 20 SemanticMatches, 385 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2119 ImplicationChecksByTransitivity, 29.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=17, 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, 254 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 9 NumberOfFragments, 318 HoareAnnotationTreeSize, 7 FomulaSimplifications, 452 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3967 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 773 NumberOfCodeBlocks, 773 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 1504 ConstructedInterpolants, 256 QuantifiedInterpolants, 668823 SizeOfPredicates, 191 NumberOfNonLiveVariables, 2578 ConjunctsInSsa, 367 ConjunctsInUnsatCore, 42 InterpolantComputations, 34 PerfectInterpolantSequences, 36/114 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_cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_12-23-38-702.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_12-23-38-702.csv Received shutdown request...