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 0.1.23-8168ed2-m [2018-04-11 20:39:32,041 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:39:32,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:39:32,059 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 20:39:32,059 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 20:39:32,060 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 20:39:32,061 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 20:39:32,063 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 20:39:32,065 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 20:39:32,066 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 20:39:32,067 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-04-11 20:39:32,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 20:39:32,088 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 20:39:32,088 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 20:39:32,113 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:39:32,113 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:39:32,114 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 20:39:32,114 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 20:39:32,114 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 20:39:32,115 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 20:39:32,115 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 20:39:32,115 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 20:39:32,115 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 20:39:32,115 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 20:39:32,116 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 20:39:32,116 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 20:39:32,116 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:39:32,116 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:39:32,117 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:39:32,117 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:39:32,117 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:39:32,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:39:32,117 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:39:32,117 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 20:39:32,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:39:32,118 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:39:32,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:39:32,118 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 20:39:32,118 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 20:39:32,119 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:39:32,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:39:32,119 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:39:32,119 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:39:32,119 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:39:32,119 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 20:39:32,120 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 20:39:32,120 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:39:32,120 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 20:39:32,121 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 20:39:32,121 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 20:39:32,121 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 20:39:32,121 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 20:39:32,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:39:32,166 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:39:32,169 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:39:32,170 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:39:32,170 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:39:32,171 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 [2018-04-11 20:39:32,469 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG539fb6b6f [2018-04-11 20:39:32,655 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:39:32,656 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:39:32,656 INFO L168 CDTParser]: Scanning openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:39:32,668 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:39:32,668 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:39:32,668 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:39:32,668 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 [2018-04-11 20:39:32,668 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 [2018-04-11 20:39:32,668 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:39:32,669 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 [2018-04-11 20:39:32,669 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:39:32,669 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 [2018-04-11 20:39:32,669 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 [2018-04-11 20:39:32,669 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 [2018-04-11 20:39:32,669 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 [2018-04-11 20:39:32,669 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,670 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,671 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,672 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,673 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,674 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,675 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,676 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,677 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,678 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,679 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,680 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,681 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 [2018-04-11 20:39:32,682 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 [2018-04-11 20:39:32,682 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 [2018-04-11 20:39:32,682 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 [2018-04-11 20:39:32,699 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG539fb6b6f [2018-04-11 20:39:32,703 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:39:32,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:39:32,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:39:32,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:39:32,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:39:32,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:39:32" (1/1) ... [2018-04-11 20:39:32,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3918a8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:32, skipping insertion in model container [2018-04-11 20:39:32,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:39:32" (1/1) ... [2018-04-11 20:39:32,728 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:39:32,758 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:39:32,941 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:39:32,991 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:39:32,999 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 20:39:33,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33 WrapperNode [2018-04-11 20:39:33,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:39:33,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:39:33,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:39:33,048 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:39:33,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... [2018-04-11 20:39:33,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... [2018-04-11 20:39:33,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... [2018-04-11 20:39:33,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... [2018-04-11 20:39:33,088 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... [2018-04-11 20:39:33,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... [2018-04-11 20:39:33,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... [2018-04-11 20:39:33,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:39:33,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:39:33,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:39:33,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:39:33,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:39:33,229 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:39:33,230 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:39:33,230 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:39:33,230 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:39:33,230 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp [2018-04-11 20:39:33,230 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:39:33,230 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:39:33,230 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:39:33,230 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:39:33,230 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:39:33,231 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:39:33,231 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:39:33,231 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:39:33,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:39:33,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:39:33,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:39:33,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:39:33,232 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:39:33,232 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:39:33,232 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:39:33,232 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:39:33,232 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:39:33,232 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:39:33,233 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:39:33,234 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:39:33,235 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:39:33,236 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:39:33,237 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:39:33,238 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:39:33,239 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:39:33,239 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:39:33,239 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:39:33,239 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:39:33,239 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:39:33,239 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:39:33,239 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:39:33,240 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:39:33,241 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:39:33,241 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:39:33,241 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:39:33,241 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:39:33,241 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:39:33,241 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:39:33,241 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fopenbsd_cstrcmp_alloca_true_valid_memsafety_true_termination_i__cstrcmp [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:39:33,242 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:39:33,243 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:39:33,243 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:39:33,243 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:39:33,664 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:39:33,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:39:33 BoogieIcfgContainer [2018-04-11 20:39:33,666 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:39:33,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:39:33,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:39:33,670 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:39:33,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:39:32" (1/3) ... [2018-04-11 20:39:33,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46081543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:39:33, skipping insertion in model container [2018-04-11 20:39:33,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:39:33" (2/3) ... [2018-04-11 20:39:33,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46081543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:39:33, skipping insertion in model container [2018-04-11 20:39:33,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:39:33" (3/3) ... [2018-04-11 20:39:33,673 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrcmp-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:39:33,683 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:39:33,691 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 20:39:33,740 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:39:33,741 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:39:33,741 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 20:39:33,741 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:39:33,741 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:39:33,741 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:39:33,741 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:39:33,742 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:39:33,742 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:39:33,742 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:39:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-04-11 20:39:33,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:39:33,760 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:33,761 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:33,761 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]=== [2018-04-11 20:39:33,765 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 [2018-04-11 20:39:33,778 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:33,821 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:33,860 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 [2018-04-11 20:39:33,862 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:33,867 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:33,867 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:39:33,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:39:33,889 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:33,902 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:33,902 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 20:39:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:33,910 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:33,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:33,966 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:33,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:39:33,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:39:33,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:39:33,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:39:33,987 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 4 states. [2018-04-11 20:39:34,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:34,097 INFO L93 Difference]: Finished difference Result 108 states and 111 transitions. [2018-04-11 20:39:34,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:39:34,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-11 20:39:34,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:34,109 INFO L225 Difference]: With dead ends: 108 [2018-04-11 20:39:34,109 INFO L226 Difference]: Without dead ends: 78 [2018-04-11 20:39:34,112 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:39:34,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-11 20:39:34,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-04-11 20:39:34,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-11 20:39:34,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 81 transitions. [2018-04-11 20:39:34,148 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 81 transitions. Word has length 19 [2018-04-11 20:39:34,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:34,148 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 81 transitions. [2018-04-11 20:39:34,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:39:34,149 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2018-04-11 20:39:34,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:39:34,149 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:34,150 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:34,150 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]=== [2018-04-11 20:39:34,150 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 [2018-04-11 20:39:34,157 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:34,177 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:34,195 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:39:34,195 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:39:34,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,214 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,214 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-11 20:39:34,256 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:34,257 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:34,259 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:39:34,259 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 20:39:34,277 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,289 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,289 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-11 20:39:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:34,307 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:34,459 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,460 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-11 20:39:34,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:34,490 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:34,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-11 20:39:34,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:39:34,492 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:39:34,492 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:39:34,492 INFO L87 Difference]: Start difference. First operand 78 states and 81 transitions. Second operand 9 states. [2018-04-11 20:39:34,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:34,785 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2018-04-11 20:39:34,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:39:34,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-11 20:39:34,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:34,787 INFO L225 Difference]: With dead ends: 78 [2018-04-11 20:39:34,787 INFO L226 Difference]: Without dead ends: 77 [2018-04-11 20:39:34,788 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 [2018-04-11 20:39:34,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-11 20:39:34,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-04-11 20:39:34,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-04-11 20:39:34,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2018-04-11 20:39:34,797 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 19 [2018-04-11 20:39:34,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:34,797 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2018-04-11 20:39:34,797 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:39:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2018-04-11 20:39:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:39:34,798 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:34,798 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:34,799 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]=== [2018-04-11 20:39:34,799 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 [2018-04-11 20:39:34,806 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:34,819 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:34,830 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:39:34,831 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:34,835 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 20:39:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:34,851 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:34,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:34,900 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:34,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-11 20:39:34,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:39:34,901 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:39:34,901 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:39:34,902 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand 7 states. [2018-04-11 20:39:34,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:34,983 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2018-04-11 20:39:34,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:39:34,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 20:39:34,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:34,985 INFO L225 Difference]: With dead ends: 77 [2018-04-11 20:39:34,985 INFO L226 Difference]: Without dead ends: 76 [2018-04-11 20:39:34,985 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:39:34,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-11 20:39:34,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-11 20:39:34,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 20:39:34,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2018-04-11 20:39:34,990 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 20 [2018-04-11 20:39:34,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:34,990 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2018-04-11 20:39:34,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:39:34,990 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2018-04-11 20:39:34,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:39:34,991 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:34,991 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:34,991 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]=== [2018-04-11 20:39:34,991 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 [2018-04-11 20:39:34,997 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:35,011 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:35,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:39:35,015 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:35,016 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:35,016 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:39:35,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,022 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:35,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,051 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:35,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:39:35,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:39:35,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:39:35,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:39:35,052 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 4 states. [2018-04-11 20:39:35,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:35,116 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2018-04-11 20:39:35,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:39:35,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 20:39:35,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:35,118 INFO L225 Difference]: With dead ends: 76 [2018-04-11 20:39:35,118 INFO L226 Difference]: Without dead ends: 75 [2018-04-11 20:39:35,118 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:39:35,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-11 20:39:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-11 20:39:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-11 20:39:35,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2018-04-11 20:39:35,125 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 20 [2018-04-11 20:39:35,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:35,126 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2018-04-11 20:39:35,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:39:35,126 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2018-04-11 20:39:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 20:39:35,127 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:35,127 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] [2018-04-11 20:39:35,127 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]=== [2018-04-11 20:39:35,127 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 [2018-04-11 20:39:35,134 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:35,149 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,160 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,183 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:35,183 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-11 20:39:35,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 20:39:35,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 20:39:35,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:39:35,184 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 5 states. [2018-04-11 20:39:35,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:35,236 INFO L93 Difference]: Finished difference Result 81 states and 84 transitions. [2018-04-11 20:39:35,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 20:39:35,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-04-11 20:39:35,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:35,240 INFO L225 Difference]: With dead ends: 81 [2018-04-11 20:39:35,240 INFO L226 Difference]: Without dead ends: 79 [2018-04-11 20:39:35,240 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 [2018-04-11 20:39:35,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-11 20:39:35,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-04-11 20:39:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 20:39:35,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2018-04-11 20:39:35,248 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 25 [2018-04-11 20:39:35,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:35,248 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2018-04-11 20:39:35,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 20:39:35,248 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2018-04-11 20:39:35,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 20:39:35,249 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:35,249 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] [2018-04-11 20:39:35,249 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]=== [2018-04-11 20:39:35,249 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 [2018-04-11 20:39:35,258 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:35,275 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,343 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:35,351 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:39:35,352 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:35,360 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 12 treesize of output 10 [2018-04-11 20:39:35,361 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:35,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:35,364 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:39:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,402 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:35,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-11 20:39:35,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 20:39:35,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 20:39:35,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:39:35,403 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand 8 states. [2018-04-11 20:39:35,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:35,560 INFO L93 Difference]: Finished difference Result 79 states and 82 transitions. [2018-04-11 20:39:35,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:39:35,560 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-04-11 20:39:35,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:35,561 INFO L225 Difference]: With dead ends: 79 [2018-04-11 20:39:35,562 INFO L226 Difference]: Without dead ends: 77 [2018-04-11 20:39:35,562 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-04-11 20:39:35,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-11 20:39:35,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2018-04-11 20:39:35,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-11 20:39:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2018-04-11 20:39:35,569 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 25 [2018-04-11 20:39:35,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:35,569 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2018-04-11 20:39:35,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 20:39:35,569 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2018-04-11 20:39:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 20:39:35,570 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:35,570 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:35,570 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]=== [2018-04-11 20:39:35,571 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 [2018-04-11 20:39:35,578 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:35,594 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,608 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,632 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:35,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:39:35,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:39:35,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:39:35,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:39:35,633 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 6 states. [2018-04-11 20:39:35,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:35,696 INFO L93 Difference]: Finished difference Result 75 states and 78 transitions. [2018-04-11 20:39:35,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:39:35,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2018-04-11 20:39:35,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:35,697 INFO L225 Difference]: With dead ends: 75 [2018-04-11 20:39:35,697 INFO L226 Difference]: Without dead ends: 74 [2018-04-11 20:39:35,698 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 [2018-04-11 20:39:35,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-11 20:39:35,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-04-11 20:39:35,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-11 20:39:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2018-04-11 20:39:35,705 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 28 [2018-04-11 20:39:35,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:35,706 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2018-04-11 20:39:35,706 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:39:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2018-04-11 20:39:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 20:39:35,707 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:35,707 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:35,707 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]=== [2018-04-11 20:39:35,707 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 [2018-04-11 20:39:35,713 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:35,729 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:35,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,795 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:35,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:39:35,803 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:35,809 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:39:35,810 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:35,823 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:35,823 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:39:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:35,854 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:35,855 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-11 20:39:35,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:39:35,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:39:35,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:39:35,855 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 9 states. [2018-04-11 20:39:35,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:35,964 INFO L93 Difference]: Finished difference Result 78 states and 81 transitions. [2018-04-11 20:39:35,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:39:35,964 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-04-11 20:39:35,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:35,965 INFO L225 Difference]: With dead ends: 78 [2018-04-11 20:39:35,965 INFO L226 Difference]: Without dead ends: 77 [2018-04-11 20:39:35,966 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 [2018-04-11 20:39:35,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-11 20:39:35,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-04-11 20:39:35,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-04-11 20:39:35,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2018-04-11 20:39:35,970 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 28 [2018-04-11 20:39:35,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:35,971 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2018-04-11 20:39:35,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:39:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2018-04-11 20:39:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-11 20:39:35,972 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:35,972 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:35,972 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]=== [2018-04-11 20:39:35,973 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 [2018-04-11 20:39:35,981 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:36,006 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,021 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,044 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:36,044 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:39:36,044 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:39:36,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:39:36,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:39:36,045 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand 6 states. [2018-04-11 20:39:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:36,103 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2018-04-11 20:39:36,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:39:36,103 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-04-11 20:39:36,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:36,104 INFO L225 Difference]: With dead ends: 77 [2018-04-11 20:39:36,104 INFO L226 Difference]: Without dead ends: 75 [2018-04-11 20:39:36,105 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 [2018-04-11 20:39:36,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-11 20:39:36,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-11 20:39:36,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-11 20:39:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2018-04-11 20:39:36,110 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 35 [2018-04-11 20:39:36,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:36,111 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2018-04-11 20:39:36,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:39:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2018-04-11 20:39:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-11 20:39:36,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:36,112 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:39:36,112 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]=== [2018-04-11 20:39:36,112 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 [2018-04-11 20:39:36,121 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:36,141 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:36,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,185 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:36,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 20:39:36,217 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:36,218 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:36,218 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-04-11 20:39:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,255 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:36,256 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2018-04-11 20:39:36,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-11 20:39:36,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-11 20:39:36,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-04-11 20:39:36,256 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand 11 states. [2018-04-11 20:39:36,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:36,342 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2018-04-11 20:39:36,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 20:39:36,342 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 35 [2018-04-11 20:39:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:36,343 INFO L225 Difference]: With dead ends: 77 [2018-04-11 20:39:36,343 INFO L226 Difference]: Without dead ends: 76 [2018-04-11 20:39:36,343 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 [2018-04-11 20:39:36,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-11 20:39:36,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-04-11 20:39:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-11 20:39:36,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2018-04-11 20:39:36,347 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 35 [2018-04-11 20:39:36,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:36,348 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2018-04-11 20:39:36,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-11 20:39:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2018-04-11 20:39:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 20:39:36,349 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:36,349 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] [2018-04-11 20:39:36,349 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]=== [2018-04-11 20:39:36,349 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 [2018-04-11 20:39:36,358 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:36,377 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,400 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:36,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,439 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:36,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-11 20:39:36,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:39:36,439 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:39:36,440 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:39:36,440 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand 7 states. [2018-04-11 20:39:36,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:36,586 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2018-04-11 20:39:36,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 20:39:36,587 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-04-11 20:39:36,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:36,587 INFO L225 Difference]: With dead ends: 74 [2018-04-11 20:39:36,587 INFO L226 Difference]: Without dead ends: 73 [2018-04-11 20:39:36,588 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 [2018-04-11 20:39:36,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-11 20:39:36,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-04-11 20:39:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-11 20:39:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2018-04-11 20:39:36,591 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 36 [2018-04-11 20:39:36,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:36,591 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2018-04-11 20:39:36,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:39:36,591 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2018-04-11 20:39:36,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-11 20:39:36,592 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:36,592 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] [2018-04-11 20:39:36,592 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]=== [2018-04-11 20:39:36,592 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 [2018-04-11 20:39:36,605 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:36,629 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:36,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,704 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:36,807 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 20:39:36,808 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:36,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:36,822 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:3 [2018-04-11 20:39:36,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:36,849 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:36,849 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2018-04-11 20:39:36,849 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 20:39:36,849 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 20:39:36,850 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-04-11 20:39:36,850 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand 15 states. [2018-04-11 20:39:37,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:37,204 INFO L93 Difference]: Finished difference Result 107 states and 112 transitions. [2018-04-11 20:39:37,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-11 20:39:37,204 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 36 [2018-04-11 20:39:37,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:37,205 INFO L225 Difference]: With dead ends: 107 [2018-04-11 20:39:37,205 INFO L226 Difference]: Without dead ends: 106 [2018-04-11 20:39:37,206 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2018-04-11 20:39:37,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-04-11 20:39:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 81. [2018-04-11 20:39:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-11 20:39:37,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 85 transitions. [2018-04-11 20:39:37,210 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 85 transitions. Word has length 36 [2018-04-11 20:39:37,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:37,211 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 85 transitions. [2018-04-11 20:39:37,211 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 20:39:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2018-04-11 20:39:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-11 20:39:37,212 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:37,212 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] [2018-04-11 20:39:37,212 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]=== [2018-04-11 20:39:37,212 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 [2018-04-11 20:39:37,220 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:37,239 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:37,244 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:39:37,244 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,248 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,248 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:39:37,258 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:37,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:37,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:39:37,260 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,265 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,266 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-11 20:39:37,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:39:37,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:39:37,285 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,292 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:37,292 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-11 20:39:37,308 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-11 20:39:37,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:39:37,313 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,317 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,326 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:37,326 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-11 20:39:37,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2018-04-11 20:39:37,528 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-11 20:39:37,529 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 13 [2018-04-11 20:39:37,539 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:39:37,542 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:37,553 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:37,553 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:52, output treesize:29 [2018-04-11 20:39:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:37,604 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:37,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:39:37,816 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-11 20:39:37,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-04-11 20:39:37,836 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,837 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,843 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:37,843 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-04-11 20:39:37,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:37,904 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:39:37,904 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10] total 22 [2018-04-11 20:39:37,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-11 20:39:37,905 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-11 20:39:37,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2018-04-11 20:39:37,905 INFO L87 Difference]: Start difference. First operand 81 states and 85 transitions. Second operand 23 states. [2018-04-11 20:39:38,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:38,767 INFO L93 Difference]: Finished difference Result 127 states and 133 transitions. [2018-04-11 20:39:38,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 20:39:38,767 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 40 [2018-04-11 20:39:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:38,768 INFO L225 Difference]: With dead ends: 127 [2018-04-11 20:39:38,769 INFO L226 Difference]: Without dead ends: 126 [2018-04-11 20:39:38,770 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=243, Invalid=1317, Unknown=0, NotChecked=0, Total=1560 [2018-04-11 20:39:38,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-11 20:39:38,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 92. [2018-04-11 20:39:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 20:39:38,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2018-04-11 20:39:38,774 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 40 [2018-04-11 20:39:38,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:38,775 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2018-04-11 20:39:38,775 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-11 20:39:38,775 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-04-11 20:39:38,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-11 20:39:38,776 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:38,776 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] [2018-04-11 20:39:38,776 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]=== [2018-04-11 20:39:38,776 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 [2018-04-11 20:39:38,785 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:38,806 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:38,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:39:38,816 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:39:38,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:38,819 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:38,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:38,825 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:21 [2018-04-11 20:39:38,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-04-11 20:39:38,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2018-04-11 20:39:38,983 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:39,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 18 [2018-04-11 20:39:39,006 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:39:39,035 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 25 [2018-04-11 20:39:39,036 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-11 20:39:39,049 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:39:39,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:39,069 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:29 [2018-04-11 20:39:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:39,165 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:39,602 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-11 20:39:39,602 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:39,618 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-11 20:39:39,648 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-11 20:39:39,648 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:39,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-11 20:39:39,661 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:39,666 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:39,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:39,675 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:69, output treesize:7 [2018-04-11 20:39:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:39,708 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:39:39,708 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2018-04-11 20:39:39,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-11 20:39:39,709 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-11 20:39:39,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2018-04-11 20:39:39,709 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand 27 states. [2018-04-11 20:39:42,855 WARN L151 SmtUtils]: Spent 2536ms on a formula simplification. DAG size of input: 72 DAG size of output 49 [2018-04-11 20:39:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:43,686 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2018-04-11 20:39:43,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-11 20:39:43,686 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 43 [2018-04-11 20:39:43,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:43,687 INFO L225 Difference]: With dead ends: 101 [2018-04-11 20:39:43,687 INFO L226 Difference]: Without dead ends: 100 [2018-04-11 20:39:43,688 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=324, Invalid=2126, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 20:39:43,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-04-11 20:39:43,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 95. [2018-04-11 20:39:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-11 20:39:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2018-04-11 20:39:43,693 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 43 [2018-04-11 20:39:43,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:43,693 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2018-04-11 20:39:43,693 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-11 20:39:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2018-04-11 20:39:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 20:39:43,694 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:43,694 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] [2018-04-11 20:39:43,694 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]=== [2018-04-11 20:39:43,695 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 [2018-04-11 20:39:43,700 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:43,721 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:43,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:43,755 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-11 20:39:43,758 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:43,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 20:39:43,760 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:43,768 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:43,771 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:43,771 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:39:43,797 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 [2018-04-11 20:39:43,801 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 [2018-04-11 20:39:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:43,811 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:43,854 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 [2018-04-11 20:39:43,857 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 [2018-04-11 20:39:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:43,889 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:43,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:39:43,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:39:43,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:39:43,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:39:43,890 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand 12 states. [2018-04-11 20:39:43,918 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 [2018-04-11 20:39:44,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:44,176 INFO L93 Difference]: Finished difference Result 175 states and 184 transitions. [2018-04-11 20:39:44,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:39:44,177 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2018-04-11 20:39:44,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:44,178 INFO L225 Difference]: With dead ends: 175 [2018-04-11 20:39:44,178 INFO L226 Difference]: Without dead ends: 150 [2018-04-11 20:39:44,179 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 [2018-04-11 20:39:44,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-11 20:39:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 147. [2018-04-11 20:39:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-04-11 20:39:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2018-04-11 20:39:44,188 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 49 [2018-04-11 20:39:44,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:44,188 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2018-04-11 20:39:44,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:39:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2018-04-11 20:39:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-11 20:39:44,189 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:44,189 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] [2018-04-11 20:39:44,189 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]=== [2018-04-11 20:39:44,189 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 [2018-04-11 20:39:44,195 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:44,213 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:44,236 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:44,236 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 20:39:44,239 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 20:39:44,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:44,243 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:44,247 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:44,247 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:39:44,313 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 [2018-04-11 20:39:44,321 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 [2018-04-11 20:39:44,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:44,337 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:44,358 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 [2018-04-11 20:39:44,365 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 [2018-04-11 20:39:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:44,423 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:44,424 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:39:44,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:39:44,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:39:44,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:39:44,425 INFO L87 Difference]: Start difference. First operand 147 states and 156 transitions. Second operand 12 states. [2018-04-11 20:39:44,449 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 [2018-04-11 20:39:44,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:44,843 INFO L93 Difference]: Finished difference Result 226 states and 238 transitions. [2018-04-11 20:39:44,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:39:44,843 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2018-04-11 20:39:44,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:44,845 INFO L225 Difference]: With dead ends: 226 [2018-04-11 20:39:44,845 INFO L226 Difference]: Without dead ends: 201 [2018-04-11 20:39:44,845 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 [2018-04-11 20:39:44,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-04-11 20:39:44,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 146. [2018-04-11 20:39:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-11 20:39:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-04-11 20:39:44,854 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 50 [2018-04-11 20:39:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:44,855 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-04-11 20:39:44,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:39:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-04-11 20:39:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-11 20:39:44,855 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:44,855 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] [2018-04-11 20:39:44,856 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]=== [2018-04-11 20:39:44,856 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 [2018-04-11 20:39:44,862 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:44,884 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:44,951 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:44,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-11 20:39:44,955 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:44,955 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 20:39:44,956 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:44,959 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:44,963 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:44,963 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:39:44,986 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 [2018-04-11 20:39:44,989 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 [2018-04-11 20:39:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:44,995 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:45,012 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 [2018-04-11 20:39:45,016 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 [2018-04-11 20:39:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:45,048 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:45,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:39:45,048 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:39:45,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:39:45,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:39:45,049 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 12 states. [2018-04-11 20:39:45,059 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 [2018-04-11 20:39:45,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:45,364 INFO L93 Difference]: Finished difference Result 227 states and 239 transitions. [2018-04-11 20:39:45,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:39:45,364 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2018-04-11 20:39:45,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:45,365 INFO L225 Difference]: With dead ends: 227 [2018-04-11 20:39:45,365 INFO L226 Difference]: Without dead ends: 202 [2018-04-11 20:39:45,366 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 [2018-04-11 20:39:45,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-04-11 20:39:45,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 148. [2018-04-11 20:39:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-11 20:39:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 157 transitions. [2018-04-11 20:39:45,376 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 157 transitions. Word has length 50 [2018-04-11 20:39:45,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:45,376 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 157 transitions. [2018-04-11 20:39:45,376 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:39:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2018-04-11 20:39:45,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-11 20:39:45,377 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:45,377 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] [2018-04-11 20:39:45,377 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]=== [2018-04-11 20:39:45,377 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 [2018-04-11 20:39:45,384 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:45,401 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:45,428 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:45,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 20:39:45,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 20:39:45,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:45,437 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:45,443 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:45,443 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:39:45,486 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 [2018-04-11 20:39:45,491 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 [2018-04-11 20:39:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:45,500 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:45,528 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 [2018-04-11 20:39:45,532 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 [2018-04-11 20:39:45,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:45,575 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:45,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:39:45,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:39:45,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:39:45,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:39:45,576 INFO L87 Difference]: Start difference. First operand 148 states and 157 transitions. Second operand 12 states. [2018-04-11 20:39:45,585 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 [2018-04-11 20:39:46,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:46,022 INFO L93 Difference]: Finished difference Result 151 states and 157 transitions. [2018-04-11 20:39:46,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:39:46,023 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2018-04-11 20:39:46,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:46,024 INFO L225 Difference]: With dead ends: 151 [2018-04-11 20:39:46,024 INFO L226 Difference]: Without dead ends: 126 [2018-04-11 20:39:46,025 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 91 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:39:46,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-04-11 20:39:46,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 70. [2018-04-11 20:39:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-11 20:39:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2018-04-11 20:39:46,035 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 51 [2018-04-11 20:39:46,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:46,035 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2018-04-11 20:39:46,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:39:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-04-11 20:39:46,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-11 20:39:46,036 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:46,036 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] [2018-04-11 20:39:46,036 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]=== [2018-04-11 20:39:46,037 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 [2018-04-11 20:39:46,045 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:46,068 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:46,106 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:46,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 18 [2018-04-11 20:39:46,132 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-11 20:39:46,139 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:39:46,139 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,143 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:39:46,143 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:12 [2018-04-11 20:39:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:46,209 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:39:46,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2018-04-11 20:39:46,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 20:39:46,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 20:39:46,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2018-04-11 20:39:46,210 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand 14 states. [2018-04-11 20:39:46,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:39:46,411 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2018-04-11 20:39:46,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-11 20:39:46,411 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-04-11 20:39:46,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:39:46,412 INFO L225 Difference]: With dead ends: 70 [2018-04-11 20:39:46,412 INFO L226 Difference]: Without dead ends: 62 [2018-04-11 20:39:46,413 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 [2018-04-11 20:39:46,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-11 20:39:46,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-04-11 20:39:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-11 20:39:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-04-11 20:39:46,421 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 51 [2018-04-11 20:39:46,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:39:46,422 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-04-11 20:39:46,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 20:39:46,422 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-04-11 20:39:46,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-11 20:39:46,423 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:39:46,423 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] [2018-04-11 20:39:46,423 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]=== [2018-04-11 20:39:46,423 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 [2018-04-11 20:39:46,431 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:39:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:39:46,451 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:39:46,453 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:39:46,454 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,458 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:39:46,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 20:39:46,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:46,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 20:39:46,475 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:46,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:39:46,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:39:46,484 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,488 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 20:39:46,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 20:39:46,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:39:46,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,509 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,512 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,512 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-11 20:39:46,525 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-11 20:39:46,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:39:46,527 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,531 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,535 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:39:46,535 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-11 20:39:46,776 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 [2018-04-11 20:39:46,783 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 [2018-04-11 20:39:46,784 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:39:46,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-04-11 20:39:46,792 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:46,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:46,804 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:46,804 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:32 [2018-04-11 20:39:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:46,864 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:39:47,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-11 20:39:47,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-11 20:39:47,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:39:47,484 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:39:47,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:39:47,489 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:35 [2018-04-11 20:39:48,434 WARN L148 SmtUtils]: Spent 869ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-11 20:39:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:39:48,536 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:39:48,536 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 31 [2018-04-11 20:39:48,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-11 20:39:48,537 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-11 20:39:48,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=881, Unknown=0, NotChecked=0, Total=992 [2018-04-11 20:39:48,537 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 32 states. [2018-04-11 20:39:50,575 WARN L151 SmtUtils]: Spent 1635ms on a formula simplification. DAG size of input: 45 DAG size of output 33 [2018-04-11 20:39:52,753 WARN L151 SmtUtils]: Spent 2138ms on a formula simplification. DAG size of input: 64 DAG size of output 49 [2018-04-11 20:39:53,123 WARN L151 SmtUtils]: Spent 187ms on a formula simplification. DAG size of input: 60 DAG size of output 50 [2018-04-11 20:39:53,516 WARN L151 SmtUtils]: Spent 361ms on a formula simplification. DAG size of input: 64 DAG size of output 54 [2018-04-11 20:39:57,811 WARN L151 SmtUtils]: Spent 2259ms on a formula simplification. DAG size of input: 66 DAG size of output 48 [2018-04-11 20:39:58,068 WARN L151 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-04-11 20:39:58,603 WARN L151 SmtUtils]: Spent 489ms on a formula simplification. DAG size of input: 51 DAG size of output 43 [2018-04-11 20:39:59,193 WARN L151 SmtUtils]: Spent 563ms on a formula simplification. DAG size of input: 41 DAG size of output 37 [2018-04-11 20:39:59,415 WARN L151 SmtUtils]: Spent 192ms on a formula simplification. DAG size of input: 52 DAG size of output 46 [2018-04-11 20:40:03,560 WARN L151 SmtUtils]: Spent 4042ms on a formula simplification. DAG size of input: 56 DAG size of output 41 [2018-04-11 20:40:05,823 WARN L151 SmtUtils]: Spent 2164ms on a formula simplification. DAG size of input: 42 DAG size of output 34 [2018-04-11 20:40:06,201 WARN L151 SmtUtils]: Spent 261ms on a formula simplification. DAG size of input: 56 DAG size of output 45 [2018-04-11 20:40:06,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:40:06,209 INFO L93 Difference]: Finished difference Result 68 states and 70 transitions. [2018-04-11 20:40:06,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-11 20:40:06,209 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 55 [2018-04-11 20:40:06,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:40:06,210 INFO L225 Difference]: With dead ends: 68 [2018-04-11 20:40:06,210 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 20:40:06,210 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=415, Invalid=2035, Unknown=0, NotChecked=0, Total=2450 [2018-04-11 20:40:06,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 20:40:06,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2018-04-11 20:40:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-11 20:40:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2018-04-11 20:40:06,218 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 55 [2018-04-11 20:40:06,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:40:06,218 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2018-04-11 20:40:06,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-11 20:40:06,218 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-04-11 20:40:06,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-11 20:40:06,218 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:40:06,218 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] [2018-04-11 20:40:06,218 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]=== [2018-04-11 20:40:06,219 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 [2018-04-11 20:40:06,224 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:40:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:40:06,247 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:40:06,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:40:06,250 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:40:06,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:40:06,253 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:40:06,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 20:40:06,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:40:06,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:40:06,265 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:40:06,266 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:40:06,266 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-11 20:40:06,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2018-04-11 20:40:06,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2018-04-11 20:40:06,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:40:06,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 21 [2018-04-11 20:40:06,442 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:40:06,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 19 [2018-04-11 20:40:06,463 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-04-11 20:40:06,476 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:40:06,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:40:06,487 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:32 [2018-04-11 20:40:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:40:06,548 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:40:07,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-11 20:40:07,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-11 20:40:07,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:40:07,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:40:07,666 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:40:07,666 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-04-11 20:40:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:40:07,778 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:40:07,778 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20] total 37 [2018-04-11 20:40:07,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-11 20:40:07,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-11 20:40:07,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=1245, Unknown=0, NotChecked=0, Total=1406 [2018-04-11 20:40:07,779 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 38 states. [2018-04-11 20:40:08,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:40:08,935 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-04-11 20:40:08,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-11 20:40:08,935 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 58 [2018-04-11 20:40:08,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:40:08,936 INFO L225 Difference]: With dead ends: 63 [2018-04-11 20:40:08,936 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 20:40:08,937 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=667, Invalid=3115, Unknown=0, NotChecked=0, Total=3782 [2018-04-11 20:40:08,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 20:40:08,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 20:40:08,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 20:40:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 20:40:08,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2018-04-11 20:40:08,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:40:08,938 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 20:40:08,938 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-11 20:40:08,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 20:40:08,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 20:40:08,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-11 20:40:09,123 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 195 DAG size of output 188 [2018-04-11 20:40:24,871 WARN L151 SmtUtils]: Spent 15633ms on a formula simplification. DAG size of input: 226 DAG size of output 98 [2018-04-11 20:40:25,552 WARN L151 SmtUtils]: Spent 680ms on a formula simplification. DAG size of input: 163 DAG size of output 1 [2018-04-11 20:40:26,582 WARN L151 SmtUtils]: Spent 1027ms on a formula simplification. DAG size of input: 153 DAG size of output 69 [2018-04-11 20:40:26,585 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. [2018-04-11 20:40:26,585 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-11 20:40:26,585 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-11 20:40:26,585 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. [2018-04-11 20:40:26,585 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. [2018-04-11 20:40:26,585 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-11 20:40:26,585 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:40:26,586 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:40:26,586 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:40:26,586 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. [2018-04-11 20:40:26,586 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-11 20:40:26,586 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. [2018-04-11 20:40:26,586 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. [2018-04-11 20:40:26,586 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-11 20:40:26,586 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-11 20:40:26,586 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-11 20:40:26,587 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:40:26,587 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:40:26,587 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)))) [2018-04-11 20:40:26,587 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 559) no Hoare annotation was computed. [2018-04-11 20:40:26,587 INFO L416 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-04-11 20:40:26,587 INFO L416 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-04-11 20:40:26,587 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-04-11 20:40:26,587 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 559) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L551''(lines 548 562) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 560) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L554'(lines 554 556) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L558''(line 558) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L558'(line 558) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 560) no Hoare annotation was computed. [2018-04-11 20:40:26,588 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point L551(lines 551 553) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 548 562) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 548 562) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 548 562) no Hoare annotation was computed. [2018-04-11 20:40:26,589 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 548 562) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L561''(line 561) no Hoare annotation was computed. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L558'''(line 558) no Hoare annotation was computed. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L559'(line 559) no Hoare annotation was computed. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-04-11 20:40:26,590 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. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 547) no Hoare annotation was computed. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-04-11 20:40:26,590 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 545) no Hoare annotation was computed. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L546'''''(line 546) no Hoare annotation was computed. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L543''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,591 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. [2018-04-11 20:40:26,591 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. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L543'''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L546''''(line 546) no Hoare annotation was computed. [2018-04-11 20:40:26,591 INFO L416 ceAbstractionStarter]: For program point L543'''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,592 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. [2018-04-11 20:40:26,592 INFO L416 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:40:26,592 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,592 INFO L416 ceAbstractionStarter]: For program point L544''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:40:26,592 INFO L416 ceAbstractionStarter]: For program point L543'(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,592 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. [2018-04-11 20:40:26,592 INFO L416 ceAbstractionStarter]: For program point L543''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,592 INFO L416 ceAbstractionStarter]: For program point L543'''''''''''''(lines 543 545) no Hoare annotation was computed. [2018-04-11 20:40:26,592 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. [2018-04-11 20:40:26,592 INFO L416 ceAbstractionStarter]: For program point L544'''(lines 544 545) no Hoare annotation was computed. [2018-04-11 20:40:26,593 INFO L416 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-04-11 20:40:26,593 INFO L416 ceAbstractionStarter]: For program point L543''''(lines 543 545) no Hoare annotation was computed. [2018-04-11 20:40:26,593 INFO L416 ceAbstractionStarter]: For program point L543'''''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,593 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-11 20:40:26,593 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 [2018-04-11 20:40:26,593 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. [2018-04-11 20:40:26,593 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)))) [2018-04-11 20:40:26,594 INFO L416 ceAbstractionStarter]: For program point L543''''''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,594 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. [2018-04-11 20:40:26,594 INFO L416 ceAbstractionStarter]: For program point L543'''''''(line 543) no Hoare annotation was computed. [2018-04-11 20:40:26,594 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. [2018-04-11 20:40:26,594 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. [2018-04-11 20:40:26,594 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. [2018-04-11 20:40:26,594 INFO L416 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-04-11 20:40:26,594 INFO L416 ceAbstractionStarter]: For program point L544'''''(line 544) no Hoare annotation was computed. [2018-04-11 20:40:26,594 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-11 20:40:26,594 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-04-11 20:40:26,595 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. [2018-04-11 20:40:26,604 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,605 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,605 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:40:26,606 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,606 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,607 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,608 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,611 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,611 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,612 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,612 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,614 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,614 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,614 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,615 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,615 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,615 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,615 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,615 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,616 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,616 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,616 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,616 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,616 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,617 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,617 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,624 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,624 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,624 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:40:26,624 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,630 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,631 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,631 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,631 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,631 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,632 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,632 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,632 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,632 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,633 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,633 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,633 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,633 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,633 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,634 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,634 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,634 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,634 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,635 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,635 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,635 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,635 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,635 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,636 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,640 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:40:26 BoogieIcfgContainer [2018-04-11 20:40:26,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:40:26,644 INFO L168 Benchmark]: Toolchain (without parser) took 53940.12 ms. Allocated memory was 303.0 MB in the beginning and 631.8 MB in the end (delta: 328.7 MB). Free memory was 240.4 MB in the beginning and 484.3 MB in the end (delta: -243.9 MB). Peak memory consumption was 249.1 MB. Max. memory is 5.3 GB. [2018-04-11 20:40:26,645 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 303.0 MB. Free memory is still 265.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:40:26,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.96 ms. Allocated memory is still 303.0 MB. Free memory was 240.4 MB in the beginning and 216.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:40:26,647 INFO L168 Benchmark]: Boogie Preprocessor took 52.76 ms. Allocated memory is still 303.0 MB. Free memory was 216.5 MB in the beginning and 214.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:40:26,648 INFO L168 Benchmark]: RCFGBuilder took 564.73 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 214.5 MB in the beginning and 394.9 MB in the end (delta: -180.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:40:26,648 INFO L168 Benchmark]: TraceAbstraction took 52976.50 ms. Allocated memory was 460.8 MB in the beginning and 631.8 MB in the end (delta: 170.9 MB). Free memory was 394.9 MB in the beginning and 484.3 MB in the end (delta: -89.4 MB). Peak memory consumption was 245.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:40:26,650 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 303.0 MB. Free memory is still 265.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 341.96 ms. Allocated memory is still 303.0 MB. Free memory was 240.4 MB in the beginning and 216.5 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 52.76 ms. Allocated memory is still 303.0 MB. Free memory was 216.5 MB in the beginning and 214.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 564.73 ms. Allocated memory was 303.0 MB in the beginning and 460.8 MB in the end (delta: 157.8 MB). Free memory was 214.5 MB in the beginning and 394.9 MB in the end (delta: -180.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 52976.50 ms. Allocated memory was 460.8 MB in the beginning and 631.8 MB in the end (delta: 170.9 MB). Free memory was 394.9 MB in the beginning and 484.3 MB in the end (delta: -89.4 MB). Peak memory consumption was 245.9 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 [2018-04-11 20:40:26,657 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,658 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,658 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:40:26,658 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,658 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,659 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,659 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,659 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,659 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,660 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,661 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,661 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,661 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,661 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,661 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,661 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,663 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,663 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,665 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,665 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,665 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:40:26,666 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:40:26,666 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,666 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:40:26,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString2~0.offset_BEFORE_CALL_3,QUANTIFIED] [2018-04-11 20:40:26,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_5,QUANTIFIED] [2018-04-11 20:40:26,668 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,668 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,670 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,670 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,670 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:40:26,670 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,670 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,670 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:40:26,671 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, 52.8s OverallTime, 21 OverallIterations, 3 TraceHistogramMax, 26.9s AutomataDifference, 0.0s DeadEndRemovalTime, 17.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1302 SDtfs, 2132 SDslu, 5750 SDs, 0 SdLazy, 4111 SolverSat, 201 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1682 GetRequests, 1282 SyntacticMatches, 20 SemanticMatches, 380 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2002 ImplicationChecksByTransitivity, 26.1s 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, 245 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, 17.4s 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-0-2018-04-11_20-40-26-676.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-0-2018-04-11_20-40-26-676.csv Received shutdown request...