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/cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:08:56,081 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:08:56,083 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:08:56,098 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 12:08:56,098 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 12:08:56,099 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 12:08:56,100 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 12:08:56,102 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 12:08:56,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 12:08:56,105 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 12:08:56,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-03-28 12:08:56,127 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-03-28 12:08:56,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:08:56,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:08:56,152 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:08:56,152 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:08:56,153 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:08:56,153 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:08:56,154 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:08:56,154 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:08:56,154 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:08:56,154 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:08:56,154 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:08:56,155 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:08:56,155 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:08:56,155 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:08:56,155 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:08:56,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:08:56,156 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:08:56,156 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:08:56,156 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:08:56,156 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:08:56,156 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:08:56,157 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:08:56,157 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:08:56,157 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:08:56,157 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:08:56,158 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:08:56,158 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:08:56,158 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:08:56,158 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:08:56,158 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:08:56,159 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:08:56,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:08:56,159 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:08:56,160 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:08:56,160 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:08:56,160 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:08:56,160 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:08:56,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:08:56,209 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:08:56,214 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:08:56,216 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:08:56,216 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:08:56,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,567 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe9797933c [2018-03-28 12:08:56,729 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:08:56,729 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:08:56,729 INFO L171 CDTParser]: Scanning cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,739 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:08:56,739 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:08:56,739 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:08:56,739 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,739 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,739 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,740 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ ('') in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,740 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:08:56,740 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,740 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,740 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clockid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,740 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,740 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,741 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uint in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,742 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ushort in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,743 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__wchar_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__register_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____useconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__sigset_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,744 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,745 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__nlink_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_mask in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ssize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsword_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__timer_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,746 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__div_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____id_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint32_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____qaddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,747 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blksize_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____off64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____time_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____intptr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__size_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_quad_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__uid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____socklen_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__lldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,748 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____rlim_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ldiv_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____int8_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__gid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__ulong in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_char in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,749 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__off_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_int64_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____uint16_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____caddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____ino_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__u_long in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____loff_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____fsid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__clock_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,750 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__pid_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,751 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__daddr_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,751 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__fd_set in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,751 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____dev_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,751 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__mode_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,751 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i__suseconds_t in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,751 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____u_short in cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:56,772 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe9797933c [2018-03-28 12:08:56,776 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:08:56,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:08:56,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:08:56,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:08:56,785 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:08:56,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:08:56" (1/1) ... [2018-03-28 12:08:56,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f805700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:56, skipping insertion in model container [2018-03-28 12:08:56,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:08:56" (1/1) ... [2018-03-28 12:08:56,801 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:08:56,832 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:08:56,991 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:08:57,045 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:08:57,052 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-03-28 12:08:57,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57 WrapperNode [2018-03-28 12:08:57,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:08:57,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:08:57,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:08:57,098 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:08:57,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... [2018-03-28 12:08:57,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... [2018-03-28 12:08:57,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... [2018-03-28 12:08:57,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... [2018-03-28 12:08:57,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... [2018-03-28 12:08:57,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... [2018-03-28 12:08:57,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... [2018-03-28 12:08:57,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:08:57,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:08:57,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:08:57,154 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:08:57,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:08:57,267 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:08:57,267 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:08:57,267 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:08:57,267 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:08:57,267 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncmp [2018-03-28 12:08:57,268 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:08:57,268 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:08:57,269 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:08:57,270 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:08:57,271 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:08:57,272 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:08:57,272 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:08:57,272 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:08:57,272 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:08:57,272 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:08:57,272 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:08:57,272 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:08:57,273 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:08:57,274 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:08:57,275 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:08:57,276 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:08:57,277 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:08:57,278 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:08:57,279 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncmp [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:08:57,280 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:08:57,281 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:08:57,281 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:08:57,281 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:08:57,281 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:08:57,691 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:08:57,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:08:57 BoogieIcfgContainer [2018-03-28 12:08:57,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:08:57,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:08:57,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:08:57,695 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:08:57,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:08:56" (1/3) ... [2018-03-28 12:08:57,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c3246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:08:57, skipping insertion in model container [2018-03-28 12:08:57,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:08:57" (2/3) ... [2018-03-28 12:08:57,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52c3246e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:08:57, skipping insertion in model container [2018-03-28 12:08:57,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:08:57" (3/3) ... [2018-03-28 12:08:57,698 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-03-28 12:08:57,705 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:08:57,712 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-03-28 12:08:57,749 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:08:57,750 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:08:57,750 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:08:57,750 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:08:57,750 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:08:57,750 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:08:57,750 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:08:57,750 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:08:57,750 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:08:57,751 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:08:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2018-03-28 12:08:57,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-03-28 12:08:57,774 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:08:57,775 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:08:57,775 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:08:57,780 INFO L82 PathProgramCache]: Analyzing trace with hash 860528869, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:08:57,791 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:08:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:08:57,831 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:08:57,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:08:57,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:08:57,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:08:57,878 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:08:57,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:08:57,916 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:08:57,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:08:57,921 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-03-28 12:08:57,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:08:57,936 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:08:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:08:57,992 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:08:57,992 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:08:57,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:08:58,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:08:58,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:08:58,012 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 4 states. [2018-03-28 12:08:58,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:08:58,116 INFO L93 Difference]: Finished difference Result 134 states and 142 transitions. [2018-03-28 12:08:58,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:08:58,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-03-28 12:08:58,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:08:58,128 INFO L225 Difference]: With dead ends: 134 [2018-03-28 12:08:58,128 INFO L226 Difference]: Without dead ends: 100 [2018-03-28 12:08:58,131 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:08:58,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-03-28 12:08:58,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-03-28 12:08:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-03-28 12:08:58,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 107 transitions. [2018-03-28 12:08:58,168 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 107 transitions. Word has length 19 [2018-03-28 12:08:58,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:08:58,168 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 107 transitions. [2018-03-28 12:08:58,168 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:08:58,169 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2018-03-28 12:08:58,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-03-28 12:08:58,169 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:08:58,169 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:08:58,169 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:08:58,170 INFO L82 PathProgramCache]: Analyzing trace with hash 860528870, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:08:58,187 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:08:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:08:58,203 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:08:58,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:08:58,214 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:08:58,226 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:08:58,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:08:58,236 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:08:58,236 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-03-28 12:08:58,310 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:08:58,311 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:08:58,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:08:58,312 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:08:58,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:08:58,328 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:08:58,338 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:08:58,339 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-03-28 12:08:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:08:58,353 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:00,481 WARN L148 SmtUtils]: Spent 2074ms on a formula simplification that was a NOOP. DAG size: 26 [2018-03-28 12:09:00,541 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:00,541 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-03-28 12:09:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:00,585 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:00,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-03-28 12:09:00,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 12:09:00,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 12:09:00,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-03-28 12:09:00,588 INFO L87 Difference]: Start difference. First operand 100 states and 107 transitions. Second operand 9 states. [2018-03-28 12:09:00,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:00,776 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2018-03-28 12:09:00,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:09:00,777 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-03-28 12:09:00,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:00,779 INFO L225 Difference]: With dead ends: 100 [2018-03-28 12:09:00,779 INFO L226 Difference]: Without dead ends: 99 [2018-03-28 12:09:00,780 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:09:00,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-03-28 12:09:00,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-03-28 12:09:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-03-28 12:09:00,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 106 transitions. [2018-03-28 12:09:00,790 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 106 transitions. Word has length 19 [2018-03-28 12:09:00,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:00,791 INFO L459 AbstractCegarLoop]: Abstraction has 99 states and 106 transitions. [2018-03-28 12:09:00,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 12:09:00,791 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2018-03-28 12:09:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-03-28 12:09:00,792 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:00,792 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:00,792 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash 906591167, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:00,798 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:00,814 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:00,826 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:09:00,827 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:00,828 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:00,829 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:09:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:00,836 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:00,863 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:00,863 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:09:00,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:09:00,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:09:00,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:09:00,864 INFO L87 Difference]: Start difference. First operand 99 states and 106 transitions. Second operand 4 states. [2018-03-28 12:09:00,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:00,909 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2018-03-28 12:09:00,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:09:00,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-03-28 12:09:00,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:00,910 INFO L225 Difference]: With dead ends: 99 [2018-03-28 12:09:00,910 INFO L226 Difference]: Without dead ends: 98 [2018-03-28 12:09:00,911 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:09:00,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-03-28 12:09:00,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-03-28 12:09:00,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-03-28 12:09:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-03-28 12:09:00,916 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 105 transitions. Word has length 20 [2018-03-28 12:09:00,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:00,917 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 105 transitions. [2018-03-28 12:09:00,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:09:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2018-03-28 12:09:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-03-28 12:09:00,917 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:00,917 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:00,917 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:00,918 INFO L82 PathProgramCache]: Analyzing trace with hash 906591168, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:00,924 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:00,941 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:00,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:09:00,956 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:00,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:00,960 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-03-28 12:09:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:00,978 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:00,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,019 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:01,019 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-03-28 12:09:01,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:09:01,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:09:01,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:09:01,020 INFO L87 Difference]: Start difference. First operand 98 states and 105 transitions. Second operand 7 states. [2018-03-28 12:09:01,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:01,094 INFO L93 Difference]: Finished difference Result 98 states and 105 transitions. [2018-03-28 12:09:01,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:09:01,094 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-03-28 12:09:01,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:01,095 INFO L225 Difference]: With dead ends: 98 [2018-03-28 12:09:01,096 INFO L226 Difference]: Without dead ends: 97 [2018-03-28 12:09:01,096 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:09:01,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-03-28 12:09:01,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-03-28 12:09:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-03-28 12:09:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2018-03-28 12:09:01,104 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 20 [2018-03-28 12:09:01,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:01,105 INFO L459 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2018-03-28 12:09:01,105 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:09:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2018-03-28 12:09:01,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:09:01,106 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:01,106 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] [2018-03-28 12:09:01,106 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:01,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1160474171, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:01,114 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:01,131 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,150 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,189 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:01,189 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:09:01,189 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:09:01,189 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:09:01,189 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:09:01,190 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand 5 states. [2018-03-28 12:09:01,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:01,316 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2018-03-28 12:09:01,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:09:01,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2018-03-28 12:09:01,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:01,320 INFO L225 Difference]: With dead ends: 132 [2018-03-28 12:09:01,320 INFO L226 Difference]: Without dead ends: 129 [2018-03-28 12:09:01,321 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:09:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-03-28 12:09:01,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 116. [2018-03-28 12:09:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-03-28 12:09:01,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 129 transitions. [2018-03-28 12:09:01,330 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 129 transitions. Word has length 34 [2018-03-28 12:09:01,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:01,330 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 129 transitions. [2018-03-28 12:09:01,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:09:01,331 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2018-03-28 12:09:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:09:01,332 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:01,332 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] [2018-03-28 12:09:01,332 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:01,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1160474172, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:01,341 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:01,357 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,393 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:01,405 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-28 12:09:01,406 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:01,423 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-03-28 12:09:01,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:01,426 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:01,426 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-28 12:09:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,461 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:01,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-03-28 12:09:01,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 12:09:01,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 12:09:01,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:09:01,462 INFO L87 Difference]: Start difference. First operand 116 states and 129 transitions. Second operand 8 states. [2018-03-28 12:09:01,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:01,559 INFO L93 Difference]: Finished difference Result 129 states and 140 transitions. [2018-03-28 12:09:01,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:09:01,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-03-28 12:09:01,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:01,560 INFO L225 Difference]: With dead ends: 129 [2018-03-28 12:09:01,560 INFO L226 Difference]: Without dead ends: 126 [2018-03-28 12:09:01,561 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:09:01,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-03-28 12:09:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 116. [2018-03-28 12:09:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-03-28 12:09:01,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 126 transitions. [2018-03-28 12:09:01,570 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 126 transitions. Word has length 34 [2018-03-28 12:09:01,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:01,571 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 126 transitions. [2018-03-28 12:09:01,571 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 12:09:01,571 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2018-03-28 12:09:01,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 12:09:01,572 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:01,572 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:01,573 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:01,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1614960980, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:01,580 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:01,598 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,609 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:01,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,635 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:01,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:09:01,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:09:01,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:09:01,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:09:01,636 INFO L87 Difference]: Start difference. First operand 116 states and 126 transitions. Second operand 5 states. [2018-03-28 12:09:01,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:01,691 INFO L93 Difference]: Finished difference Result 138 states and 149 transitions. [2018-03-28 12:09:01,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:09:01,692 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-03-28 12:09:01,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:01,693 INFO L225 Difference]: With dead ends: 138 [2018-03-28 12:09:01,693 INFO L226 Difference]: Without dead ends: 136 [2018-03-28 12:09:01,693 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:09:01,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-03-28 12:09:01,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 120. [2018-03-28 12:09:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-03-28 12:09:01,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 132 transitions. [2018-03-28 12:09:01,703 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 132 transitions. Word has length 35 [2018-03-28 12:09:01,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:01,703 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 132 transitions. [2018-03-28 12:09:01,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:09:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 132 transitions. [2018-03-28 12:09:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 12:09:01,705 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:01,705 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:01,705 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:01,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1614960981, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:01,710 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:01,734 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,779 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:01,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-03-28 12:09:01,798 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:01,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-28 12:09:01,806 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:01,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:01,810 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-03-28 12:09:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:01,847 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:01,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-03-28 12:09:01,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 12:09:01,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 12:09:01,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:09:01,848 INFO L87 Difference]: Start difference. First operand 120 states and 132 transitions. Second operand 8 states. [2018-03-28 12:09:01,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:01,937 INFO L93 Difference]: Finished difference Result 136 states and 147 transitions. [2018-03-28 12:09:01,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:09:01,937 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2018-03-28 12:09:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:01,938 INFO L225 Difference]: With dead ends: 136 [2018-03-28 12:09:01,938 INFO L226 Difference]: Without dead ends: 134 [2018-03-28 12:09:01,938 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:09:01,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-03-28 12:09:01,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 120. [2018-03-28 12:09:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-03-28 12:09:01,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 130 transitions. [2018-03-28 12:09:01,945 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 130 transitions. Word has length 35 [2018-03-28 12:09:01,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:01,945 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 130 transitions. [2018-03-28 12:09:01,945 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 12:09:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 130 transitions. [2018-03-28 12:09:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:09:01,946 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:01,946 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:01,946 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:01,946 INFO L82 PathProgramCache]: Analyzing trace with hash 476124190, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:01,953 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:01,969 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:02,016 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:02,017 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-28 12:09:02,020 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:02,021 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:09:02,021 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:02,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:02,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:02,030 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:09:02,068 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-03-28 12:09:02,076 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-03-28 12:09:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:02,085 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:02,110 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_12| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc16.base_12| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc16.base_12|) 0)))) is different from false [2018-03-28 12:09:02,121 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc15.base_11| Int) (|v_main_#t~malloc16.base_12| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_11| 1))) (or (not (= (select |c_#valid| |v_main_#t~malloc15.base_11|) 0)) (not (= 0 (select .cse0 |v_main_#t~malloc16.base_12|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_12| 1) |v_main_#t~malloc15.base_11| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|)))) is different from false [2018-03-28 12:09:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:02,176 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:02,176 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:09:02,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:09:02,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:09:02,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:09:02,177 INFO L87 Difference]: Start difference. First operand 120 states and 130 transitions. Second operand 12 states. [2018-03-28 12:09:02,191 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc15.base_11| Int) (|v_main_#t~malloc16.base_12| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_11| 1))) (or (not (= (select |c_#valid| |v_main_#t~malloc15.base_11|) 0)) (not (= 0 (select .cse0 |v_main_#t~malloc16.base_12|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_12| 1) |v_main_#t~malloc15.base_11| 0) |v_main_#t~malloc16.base_12| 0) |c_old(#valid)|))))) is different from false [2018-03-28 12:09:02,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:02,744 INFO L93 Difference]: Finished difference Result 225 states and 244 transitions. [2018-03-28 12:09:02,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:09:02,745 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 40 [2018-03-28 12:09:02,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:02,746 INFO L225 Difference]: With dead ends: 225 [2018-03-28 12:09:02,746 INFO L226 Difference]: Without dead ends: 194 [2018-03-28 12:09:02,747 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:09:02,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-03-28 12:09:02,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2018-03-28 12:09:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-03-28 12:09:02,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 209 transitions. [2018-03-28 12:09:02,755 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 209 transitions. Word has length 40 [2018-03-28 12:09:02,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:02,755 INFO L459 AbstractCegarLoop]: Abstraction has 184 states and 209 transitions. [2018-03-28 12:09:02,755 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:09:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 209 transitions. [2018-03-28 12:09:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:09:02,756 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:02,757 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:02,757 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 866784326, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:02,764 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:02,781 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:02,816 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:02,817 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-28 12:09:02,820 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:02,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:09:02,821 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:02,826 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:02,830 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:02,830 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:09:02,859 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-03-28 12:09:02,864 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-03-28 12:09:02,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:02,878 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:02,926 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_14| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_14|))) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc16.base_14| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_14| 0)))) is different from false [2018-03-28 12:09:02,931 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_14| Int) (|v_main_#t~malloc15.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_13| 1))) (or (not (= (select .cse0 |v_main_#t~malloc16.base_14|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc15.base_13|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc16.base_14| 1) |v_main_#t~malloc15.base_13| 0) |v_main_#t~malloc16.base_14| 0) |c_old(#valid)|)))) is different from false [2018-03-28 12:09:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:02,983 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:02,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:09:02,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:09:02,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:09:02,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:09:02,984 INFO L87 Difference]: Start difference. First operand 184 states and 209 transitions. Second operand 12 states. [2018-03-28 12:09:02,996 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc16.base_14| Int) (|v_main_#t~malloc15.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_13| 1))) (or (not (= (select .cse0 |v_main_#t~malloc16.base_14|) 0)) (not (= (select |c_#valid| |v_main_#t~malloc15.base_13|) 0)) (= (store (store (store .cse0 |v_main_#t~malloc16.base_14| 1) |v_main_#t~malloc15.base_13| 0) |v_main_#t~malloc16.base_14| 0) |c_old(#valid)|)))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-03-28 12:09:03,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:03,482 INFO L93 Difference]: Finished difference Result 289 states and 322 transitions. [2018-03-28 12:09:03,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:09:03,482 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-03-28 12:09:03,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:03,483 INFO L225 Difference]: With dead ends: 289 [2018-03-28 12:09:03,483 INFO L226 Difference]: Without dead ends: 258 [2018-03-28 12:09:03,484 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:09:03,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-03-28 12:09:03,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 185. [2018-03-28 12:09:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-03-28 12:09:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 210 transitions. [2018-03-28 12:09:03,492 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 210 transitions. Word has length 41 [2018-03-28 12:09:03,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:03,492 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 210 transitions. [2018-03-28 12:09:03,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:09:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 210 transitions. [2018-03-28 12:09:03,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-03-28 12:09:03,493 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:03,493 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] [2018-03-28 12:09:03,493 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:03,494 INFO L82 PathProgramCache]: Analyzing trace with hash -2055840757, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:03,502 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:03,522 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:03,577 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:03,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-03-28 12:09:03,581 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:03,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-03-28 12:09:03,583 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:03,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:03,594 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:03,594 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:09:03,624 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-03-28 12:09:03,629 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-03-28 12:09:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:03,637 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:03,668 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_16| Int)) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_16|))) (= (store (store (store |c_#valid| |v_main_#t~malloc16.base_16| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_16| 0) |c_old(#valid)|))) is different from false [2018-03-28 12:09:03,673 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_16| Int) (|v_main_#t~malloc15.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_15| 1))) (or (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc16.base_16| 1) |v_main_#t~malloc15.base_15| 0) |v_main_#t~malloc16.base_16| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_15|))) (not (= (select .cse0 |v_main_#t~malloc16.base_16|) 0))))) is different from false [2018-03-28 12:09:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:03,715 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:03,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:09:03,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:09:03,715 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:09:03,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:09:03,716 INFO L87 Difference]: Start difference. First operand 185 states and 210 transitions. Second operand 12 states. [2018-03-28 12:09:03,725 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc16.base_16| Int) (|v_main_#t~malloc15.base_15| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_15| 1))) (or (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc16.base_16| 1) |v_main_#t~malloc15.base_15| 0) |v_main_#t~malloc16.base_16| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_15|))) (not (= (select .cse0 |v_main_#t~malloc16.base_16|) 0))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-03-28 12:09:04,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:04,192 INFO L93 Difference]: Finished difference Result 289 states and 322 transitions. [2018-03-28 12:09:04,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:09:04,192 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-03-28 12:09:04,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:04,193 INFO L225 Difference]: With dead ends: 289 [2018-03-28 12:09:04,193 INFO L226 Difference]: Without dead ends: 258 [2018-03-28 12:09:04,194 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:09:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-03-28 12:09:04,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 185. [2018-03-28 12:09:04,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-03-28 12:09:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 210 transitions. [2018-03-28 12:09:04,203 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 210 transitions. Word has length 41 [2018-03-28 12:09:04,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:04,204 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 210 transitions. [2018-03-28 12:09:04,204 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:09:04,204 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 210 transitions. [2018-03-28 12:09:04,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-03-28 12:09:04,205 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:04,205 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] [2018-03-28 12:09:04,205 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:04,205 INFO L82 PathProgramCache]: Analyzing trace with hash -314717703, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:04,214 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:04,235 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:04,268 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:04,269 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-03-28 12:09:04,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-03-28 12:09:04,272 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:04,280 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:04,284 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:04,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-03-28 12:09:04,308 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |c_main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0))))) is different from true [2018-03-28 12:09:04,320 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc16.base| Int) (|main_#t~malloc15.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc15.base| 1))) (and (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |c_old(#valid)| |main_#t~malloc15.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc16.base| 1) |main_#t~malloc15.base| 0) |main_#t~malloc16.base| 0))))) is different from true [2018-03-28 12:09:04,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:04,327 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:04,346 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_18| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc16.base_18| 1) |c_main_#t~malloc15.base| 0) |v_main_#t~malloc16.base_18| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc16.base_18|))))) is different from false [2018-03-28 12:09:04,349 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc16.base_18| Int) (|v_main_#t~malloc15.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_18| 1) |v_main_#t~malloc15.base_17| 0) |v_main_#t~malloc16.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc16.base_18|) 0))))) is different from false [2018-03-28 12:09:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:04,393 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:04,393 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-03-28 12:09:04,393 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:09:04,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:09:04,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-03-28 12:09:04,394 INFO L87 Difference]: Start difference. First operand 185 states and 210 transitions. Second operand 12 states. [2018-03-28 12:09:04,403 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc16.base_18| Int) (|v_main_#t~malloc15.base_17| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc15.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc15.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc16.base_18| 1) |v_main_#t~malloc15.base_17| 0) |v_main_#t~malloc16.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc16.base_18|) 0)))))) is different from false [2018-03-28 12:09:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:04,714 INFO L93 Difference]: Finished difference Result 195 states and 210 transitions. [2018-03-28 12:09:04,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:09:04,714 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-03-28 12:09:04,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:04,715 INFO L225 Difference]: With dead ends: 195 [2018-03-28 12:09:04,715 INFO L226 Difference]: Without dead ends: 164 [2018-03-28 12:09:04,716 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-03-28 12:09:04,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-03-28 12:09:04,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 89. [2018-03-28 12:09:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-03-28 12:09:04,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2018-03-28 12:09:04,721 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 42 [2018-03-28 12:09:04,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:04,721 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2018-03-28 12:09:04,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:09:04,721 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2018-03-28 12:09:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-03-28 12:09:04,722 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:04,722 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:04,722 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:04,722 INFO L82 PathProgramCache]: Analyzing trace with hash 298402611, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:04,731 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:04,746 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:04,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:04,751 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:04,776 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:04,776 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:09:04,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-28 12:09:04,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-28 12:09:04,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:09:04,777 INFO L87 Difference]: Start difference. First operand 89 states and 95 transitions. Second operand 3 states. [2018-03-28 12:09:04,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:04,799 INFO L93 Difference]: Finished difference Result 133 states and 141 transitions. [2018-03-28 12:09:04,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-28 12:09:04,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2018-03-28 12:09:04,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:04,801 INFO L225 Difference]: With dead ends: 133 [2018-03-28 12:09:04,801 INFO L226 Difference]: Without dead ends: 80 [2018-03-28 12:09:04,801 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:09:04,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-03-28 12:09:04,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-03-28 12:09:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-03-28 12:09:04,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2018-03-28 12:09:04,809 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 55 [2018-03-28 12:09:04,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:04,810 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2018-03-28 12:09:04,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-28 12:09:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2018-03-28 12:09:04,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-03-28 12:09:04,811 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:04,811 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:04,811 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:04,811 INFO L82 PathProgramCache]: Analyzing trace with hash 413922679, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:04,818 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:04,843 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:04,860 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:04,893 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:04,893 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:09:04,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-28 12:09:04,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-28 12:09:04,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:09:04,893 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 3 states. [2018-03-28 12:09:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:04,901 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2018-03-28 12:09:04,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-28 12:09:04,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-03-28 12:09:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:04,902 INFO L225 Difference]: With dead ends: 124 [2018-03-28 12:09:04,902 INFO L226 Difference]: Without dead ends: 80 [2018-03-28 12:09:04,902 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:09:04,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-03-28 12:09:04,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-03-28 12:09:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-03-28 12:09:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 82 transitions. [2018-03-28 12:09:04,907 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 82 transitions. Word has length 58 [2018-03-28 12:09:04,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:04,907 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 82 transitions. [2018-03-28 12:09:04,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-28 12:09:04,908 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 82 transitions. [2018-03-28 12:09:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-03-28 12:09:04,908 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:04,908 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:04,909 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:04,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1758557326, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:04,920 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:04,937 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:04,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-03-28 12:09:04,955 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:04,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-03-28 12:09:04,983 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:04,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 12:09:04,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:09:04,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:09:04,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:09:04,984 INFO L87 Difference]: Start difference. First operand 80 states and 82 transitions. Second operand 6 states. [2018-03-28 12:09:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:05,027 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2018-03-28 12:09:05,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:09:05,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-03-28 12:09:05,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:05,027 INFO L225 Difference]: With dead ends: 80 [2018-03-28 12:09:05,027 INFO L226 Difference]: Without dead ends: 78 [2018-03-28 12:09:05,028 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:09:05,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-03-28 12:09:05,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-03-28 12:09:05,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-03-28 12:09:05,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2018-03-28 12:09:05,034 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 60 [2018-03-28 12:09:05,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:05,034 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2018-03-28 12:09:05,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:09:05,034 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2018-03-28 12:09:05,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-03-28 12:09:05,035 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:05,035 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:05,035 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:05,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1758557325, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:05,041 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:05,059 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:05,067 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:09:05,067 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,070 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:09:05,082 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:05,083 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:05,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:09:05,084 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,087 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-03-28 12:09:05,106 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-03-28 12:09:05,107 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-28 12:09:05,108 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,111 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,117 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:05,118 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-03-28 12:09:05,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-03-28 12:09:05,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-28 12:09:05,137 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,141 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,148 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:05,149 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-03-28 12:09:05,267 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 28 treesize of output 26 [2018-03-28 12:09:05,304 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 14 treesize of output 11 [2018-03-28 12:09:05,305 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:09:05,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-03-28 12:09:05,314 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,318 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:05,330 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:05,330 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:48, output treesize:33 [2018-03-28 12:09:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:05,450 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:05,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-28 12:09:05,706 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-03-28 12:09:05,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 12:09:05,724 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,725 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,730 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:05,730 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:35, output treesize:7 [2018-03-28 12:09:05,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:05,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:09:05,784 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 26 [2018-03-28 12:09:05,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-03-28 12:09:05,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-03-28 12:09:05,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2018-03-28 12:09:05,785 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand 27 states. [2018-03-28 12:09:06,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:06,402 INFO L93 Difference]: Finished difference Result 134 states and 136 transitions. [2018-03-28 12:09:06,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-03-28 12:09:06,402 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 60 [2018-03-28 12:09:06,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:06,403 INFO L225 Difference]: With dead ends: 134 [2018-03-28 12:09:06,403 INFO L226 Difference]: Without dead ends: 132 [2018-03-28 12:09:06,404 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=252, Invalid=1388, Unknown=0, NotChecked=0, Total=1640 [2018-03-28 12:09:06,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-03-28 12:09:06,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 109. [2018-03-28 12:09:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-03-28 12:09:06,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 112 transitions. [2018-03-28 12:09:06,411 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 112 transitions. Word has length 60 [2018-03-28 12:09:06,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:06,411 INFO L459 AbstractCegarLoop]: Abstraction has 109 states and 112 transitions. [2018-03-28 12:09:06,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-03-28 12:09:06,411 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 112 transitions. [2018-03-28 12:09:06,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-28 12:09:06,412 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:06,412 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:06,412 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:06,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1319297789, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:06,419 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:06,437 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:06,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-03-28 12:09:06,454 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:06,465 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-03-28 12:09:06,486 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:09:06,486 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-03-28 12:09:06,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:09:06,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:09:06,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:09:06,487 INFO L87 Difference]: Start difference. First operand 109 states and 112 transitions. Second operand 6 states. [2018-03-28 12:09:06,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:06,538 INFO L93 Difference]: Finished difference Result 109 states and 112 transitions. [2018-03-28 12:09:06,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:09:06,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-03-28 12:09:06,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:06,539 INFO L225 Difference]: With dead ends: 109 [2018-03-28 12:09:06,539 INFO L226 Difference]: Without dead ends: 107 [2018-03-28 12:09:06,540 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:09:06,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-03-28 12:09:06,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-03-28 12:09:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-03-28 12:09:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 110 transitions. [2018-03-28 12:09:06,549 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 110 transitions. Word has length 61 [2018-03-28 12:09:06,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:06,549 INFO L459 AbstractCegarLoop]: Abstraction has 107 states and 110 transitions. [2018-03-28 12:09:06,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:09:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 110 transitions. [2018-03-28 12:09:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-03-28 12:09:06,550 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:06,551 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:06,551 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:06,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1319297790, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:06,559 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:06,579 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:06,594 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-03-28 12:09:06,596 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-03-28 12:09:06,596 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:06,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:06,603 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:06,604 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-03-28 12:09:06,787 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-03-28 12:09:06,805 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 21 treesize of output 23 [2018-03-28 12:09:06,816 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:09:06,845 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 25 treesize of output 18 [2018-03-28 12:09:06,846 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:06,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 16 [2018-03-28 12:09:06,866 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 12:09:06,878 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:09:06,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:06,892 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:42, output treesize:33 [2018-03-28 12:09:07,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:07,023 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:07,501 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 47 treesize of output 43 [2018-03-28 12:09:07,502 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 39 [2018-03-28 12:09:07,505 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,542 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 41 treesize of output 39 [2018-03-28 12:09:07,542 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,544 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 45 treesize of output 43 [2018-03-28 12:09:07,544 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-03-28 12:09:07,599 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 17 treesize of output 9 [2018-03-28 12:09:07,599 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,605 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 5 treesize of output 3 [2018-03-28 12:09:07,606 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,609 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,617 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 38 treesize of output 40 [2018-03-28 12:09:07,662 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 32 treesize of output 24 [2018-03-28 12:09:07,662 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,688 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 24 treesize of output 22 [2018-03-28 12:09:07,688 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,727 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 23 [2018-03-28 12:09:07,728 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,752 INFO L267 ElimStorePlain]: Start of recursive call 9: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,784 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 36 treesize of output 38 [2018-03-28 12:09:07,829 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2018-03-28 12:09:07,830 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,846 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 22 treesize of output 20 [2018-03-28 12:09:07,847 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-03-28 12:09:07,865 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,872 INFO L267 ElimStorePlain]: Start of recursive call 13: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,875 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 32 treesize of output 26 [2018-03-28 12:09:07,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 3 [2018-03-28 12:09:07,890 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 12:09:07,895 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,898 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:07,913 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:07,914 INFO L202 ElimStorePlain]: Needed 19 recursive calls to eliminate 10 variables, input treesize:125, output treesize:17 [2018-03-28 12:09:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:07,997 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:09:07,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2018-03-28 12:09:07,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-03-28 12:09:07,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-03-28 12:09:07,998 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=813, Unknown=0, NotChecked=0, Total=930 [2018-03-28 12:09:07,998 INFO L87 Difference]: Start difference. First operand 107 states and 110 transitions. Second operand 31 states. [2018-03-28 12:09:09,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:09,009 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2018-03-28 12:09:09,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-03-28 12:09:09,010 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2018-03-28 12:09:09,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:09,010 INFO L225 Difference]: With dead ends: 135 [2018-03-28 12:09:09,010 INFO L226 Difference]: Without dead ends: 124 [2018-03-28 12:09:09,011 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=422, Invalid=2334, Unknown=0, NotChecked=0, Total=2756 [2018-03-28 12:09:09,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-03-28 12:09:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 102. [2018-03-28 12:09:09,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-03-28 12:09:09,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 104 transitions. [2018-03-28 12:09:09,019 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 104 transitions. Word has length 61 [2018-03-28 12:09:09,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:09,019 INFO L459 AbstractCegarLoop]: Abstraction has 102 states and 104 transitions. [2018-03-28 12:09:09,019 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-03-28 12:09:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 104 transitions. [2018-03-28 12:09:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-03-28 12:09:09,020 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:09,020 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:09,020 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:09,021 INFO L82 PathProgramCache]: Analyzing trace with hash 448922090, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:09,029 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:09,052 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:09,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:09:09,056 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,060 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:09:09,060 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,063 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,063 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 12:09:09,074 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:09,075 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:09:09,075 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-03-28 12:09:09,076 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-03-28 12:09:09,083 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,087 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,087 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-03-28 12:09:09,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:09:09,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:09:09,104 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,105 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,109 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-03-28 12:09:09,122 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-03-28 12:09:09,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-03-28 12:09:09,123 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,128 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,132 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-03-28 12:09:09,132 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-03-28 12:09:09,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-03-28 12:09:09,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:09:09,431 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:09:09,441 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 1 [2018-03-28 12:09:09,441 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:09,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:09,455 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:09,455 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:45, output treesize:34 [2018-03-28 12:09:09,669 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 16 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:09,669 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:10,078 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-03-28 12:09:10,086 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-03-28 12:09:10,086 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:10,087 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:10,092 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:10,092 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:35 [2018-03-28 12:09:10,496 WARN L148 SmtUtils]: Spent 324ms on a formula simplification that was a NOOP. DAG size: 34 [2018-03-28 12:09:10,874 WARN L148 SmtUtils]: Spent 331ms on a formula simplification that was a NOOP. DAG size: 34 [2018-03-28 12:09:10,901 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:10,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:09:10,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16] total 33 [2018-03-28 12:09:10,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-03-28 12:09:10,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-03-28 12:09:10,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1011, Unknown=0, NotChecked=0, Total=1122 [2018-03-28 12:09:10,923 INFO L87 Difference]: Start difference. First operand 102 states and 104 transitions. Second operand 34 states. [2018-03-28 12:09:13,225 WARN L151 SmtUtils]: Spent 1045ms on a formula simplification. DAG size of input: 59 DAG size of output 46 [2018-03-28 12:09:13,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:13,684 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2018-03-28 12:09:13,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-03-28 12:09:13,684 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 86 [2018-03-28 12:09:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:13,685 INFO L225 Difference]: With dead ends: 117 [2018-03-28 12:09:13,685 INFO L226 Difference]: Without dead ends: 115 [2018-03-28 12:09:13,686 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=555, Invalid=2637, Unknown=0, NotChecked=0, Total=3192 [2018-03-28 12:09:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-03-28 12:09:13,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 100. [2018-03-28 12:09:13,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-03-28 12:09:13,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 102 transitions. [2018-03-28 12:09:13,692 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 102 transitions. Word has length 86 [2018-03-28 12:09:13,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:13,692 INFO L459 AbstractCegarLoop]: Abstraction has 100 states and 102 transitions. [2018-03-28 12:09:13,692 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-03-28 12:09:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 102 transitions. [2018-03-28 12:09:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-03-28 12:09:13,693 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:09:13,693 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:09:13,693 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-03-28 12:09:13,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1031682919, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:09:13,698 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:09:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:09:13,722 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:09:13,724 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:09:13,724 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:13,727 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:13,727 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:09:13,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-03-28 12:09:13,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-03-28 12:09:13,737 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:13,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:13,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:13,739 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-03-28 12:09:13,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 30 [2018-03-28 12:09:13,859 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 22 treesize of output 25 [2018-03-28 12:09:13,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-03-28 12:09:13,872 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 26 treesize of output 19 [2018-03-28 12:09:13,872 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:13,887 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 19 treesize of output 17 [2018-03-28 12:09:13,887 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2018-03-28 12:09:13,906 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:09:13,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:13,917 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:40, output treesize:34 [2018-03-28 12:09:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:14,030 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:09:14,626 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-03-28 12:09:14,653 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-03-28 12:09:14,653 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:14,663 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 16 treesize of output 14 [2018-03-28 12:09:14,663 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:14,673 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-03-28 12:09:14,673 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:09:14,676 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:09:14,684 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:09:14,684 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:65, output treesize:35 [2018-03-28 12:09:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:09:14,808 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:09:14,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 35 [2018-03-28 12:09:14,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-03-28 12:09:14,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-03-28 12:09:14,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1113, Unknown=0, NotChecked=0, Total=1260 [2018-03-28 12:09:14,809 INFO L87 Difference]: Start difference. First operand 100 states and 102 transitions. Second operand 36 states. [2018-03-28 12:09:16,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:09:16,265 INFO L93 Difference]: Finished difference Result 118 states and 120 transitions. [2018-03-28 12:09:16,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-03-28 12:09:16,265 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 87 [2018-03-28 12:09:16,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:09:16,265 INFO L225 Difference]: With dead ends: 118 [2018-03-28 12:09:16,266 INFO L226 Difference]: Without dead ends: 0 [2018-03-28 12:09:16,267 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=901, Invalid=3929, Unknown=0, NotChecked=0, Total=4830 [2018-03-28 12:09:16,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-03-28 12:09:16,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-03-28 12:09:16,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-03-28 12:09:16,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-03-28 12:09:16,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2018-03-28 12:09:16,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:09:16,269 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-03-28 12:09:16,269 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-03-28 12:09:16,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-03-28 12:09:16,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-03-28 12:09:16,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-03-28 12:09:16,455 WARN L151 SmtUtils]: Spent 167ms on a formula simplification. DAG size of input: 175 DAG size of output 173 [2018-03-28 12:09:45,109 WARN L151 SmtUtils]: Spent 28620ms on a formula simplification. DAG size of input: 212 DAG size of output 106 [2018-03-28 12:09:45,293 WARN L151 SmtUtils]: Spent 159ms on a formula simplification. DAG size of input: 158 DAG size of output 1 [2018-03-28 12:09:45,436 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 153 DAG size of output 69 [2018-03-28 12:09:45,440 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-03-28 12:09:45,440 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-03-28 12:09:45,440 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-28 12:09:45,440 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-03-28 12:09:45,440 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-03-28 12:09:45,440 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-03-28 12:09:45,440 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-03-28 12:09:45,440 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-03-28 12:09:45,440 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 566) no Hoare annotation was computed. [2018-03-28 12:09:45,440 INFO L416 ceAbstractionStarter]: For program point L565'''(line 565) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L561'(lines 561 563) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L412 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: (let ((.cse1 (select |#length| main_~nondetString1~0.base)) (.cse2 (select |#length| main_~nondetString2~0.base)) (.cse0 (store |old(#valid)| |main_#t~malloc15.base| 1))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= 0 (select .cse0 |main_#t~malloc16.base|)) (= (select |old(#valid)| |main_#t~malloc15.base|) 0) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= 0 |main_#t~malloc16.offset|) (= .cse1 main_~length1~0) (= (select |#length| |main_#t~malloc15.base|) main_~length1~0) (= |main_#t~malloc15.offset| 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)))) (= (select |#length| |main_#t~malloc16.base|) main_~length2~0) (= 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)))) (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) (= (store .cse0 |main_#t~malloc16.base| 1) |#valid|) (= 1 (select |#valid| main_~nondetString2~0.base)) (not (= |main_#t~malloc16.base| main_~nondetString1~0.base)))) [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 566) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 567) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L558''(lines 555 569) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-03-28 12:09:45,441 INFO L416 ceAbstractionStarter]: For program point L556'(line 556) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L568'(line 568) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L557''(line 557) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L568'''(line 568) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 567) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 555 569) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 555 569) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L558(lines 558 560) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 555 569) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 555 569) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L564''(line 564) no Hoare annotation was computed. [2018-03-28 12:09:45,442 INFO L416 ceAbstractionStarter]: For program point L565'(line 565) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L568''''(line 568) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L565''(line 565) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L568''(line 568) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L546''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr1RequiresViolation(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 554) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L553'(line 553) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L545(lines 545 550) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L543(lines 543 544) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L546'''''(lines 546 547) no Hoare annotation was computed. [2018-03-28 12:09:45,443 INFO L416 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L552''(line 552) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr0RequiresViolation(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L545'''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L546''''(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L545''''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L412 ceAbstractionStarter]: At program point L545''''''''''''''''''(lines 545 550) the Hoare annotation is: (let ((.cse6 (select |#length| cstrncmp_~s2.base)) (.cse7 (select |#length| cstrncmp_~s1.base))) (let ((.cse5 (select |#length| |cstrncmp_#in~s1.base|)) (.cse0 (= 0 (select (select |#memory_int| cstrncmp_~s1.base) (+ .cse7 (- 1))))) (.cse1 (= 1 (select |#valid| cstrncmp_~s1.base))) (.cse3 (= (select (select |#memory_int| cstrncmp_~s2.base) (+ .cse6 (- 1))) 0)) (.cse2 (<= (+ cstrncmp_~s1.offset 1) .cse7)) (.cse4 (= 1 (select |#valid| cstrncmp_~s2.base)))) (or (and .cse0 (exists ((main_~length2~0 Int)) (and (<= 1 main_~length2~0) (<= (+ cstrncmp_~s2.offset main_~length2~0) (select |#length| cstrncmp_~s2.base)) (= (select (select |#memory_int| cstrncmp_~s2.base) (+ cstrncmp_~s2.offset main_~length2~0 (- 1))) 0))) (and (<= 0 cstrncmp_~s2.offset) (<= 0 cstrncmp_~s1.offset) .cse1 .cse2) .cse3 .cse4) (or (< |cstrncmp_#in~s2.offset| 0) (not (= 1 (select |#valid| |cstrncmp_#in~s2.base|))) (< .cse5 (+ |cstrncmp_#in~s1.offset| 1)) (< |cstrncmp_#in~s1.offset| 0) (not (exists ((|v_main_#t~malloc16.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc15.base_BEFORE_CALL_7| Int)) (and (= (select |#valid| |v_main_#t~malloc16.base_BEFORE_CALL_7|) 1) (not (= |v_main_#t~malloc16.base_BEFORE_CALL_7| |v_main_#t~malloc15.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc15.base_BEFORE_CALL_7|) 1))))) (not (= 0 (select (select |#memory_int| |cstrncmp_#in~s2.base|) (+ (select |#length| |cstrncmp_#in~s2.base|) (- 1))))) (not (= (select |#valid| |cstrncmp_#in~s1.base|) 1)) (not (= 0 (select (select |#memory_int| |cstrncmp_#in~s1.base|) (+ .cse5 (- 1))))) (and (<= 1 cstrncmp_~s1.offset) (<= (+ cstrncmp_~s2.offset 1) .cse6) .cse0 .cse1 (<= 1 cstrncmp_~s2.offset) .cse3 .cse2 .cse4) (not (exists ((main_~length2~0 Int)) (and (<= 1 main_~length2~0) (= (select (select |#memory_int| |cstrncmp_#in~s2.base|) (+ |cstrncmp_#in~s2.offset| main_~length2~0 (- 1))) 0) (<= (+ |cstrncmp_#in~s2.offset| main_~length2~0) (select |#length| |cstrncmp_#in~s2.base|))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= main_~nondetString2~0.base |cstrncmp_#in~s1.base|)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1)))))))))) [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr3RequiresViolation(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,444 INFO L416 ceAbstractionStarter]: For program point L546'''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr9RequiresViolation(line 552) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L546''''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L549''(line 549) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr6RequiresViolation(line 551) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L551'(line 551) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''''''(lines 545 550) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr5RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr7RequiresViolation(line 551) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L545'''''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L553''''(line 553) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L545'''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,445 INFO L416 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L553'''''(line 553) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr4RequiresViolation(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr8RequiresViolation(line 552) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point cstrncmpEXIT(lines 540 554) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L545'''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L540'(lines 540 554) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L419 ceAbstractionStarter]: At program point cstrncmpENTRY(lines 540 554) the Hoare annotation is: true [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L553'''(line 553) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L545''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,446 INFO L416 ceAbstractionStarter]: For program point L546'''''''''(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point cstrncmpErr2RequiresViolation(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L545''''''''''''(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L545''''''''(lines 545 550) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L546'''(line 546) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point cstrncmpFINAL(lines 540 554) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L549'(line 549) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:09:45,447 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:09:45,448 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-03-28 12:09:45,448 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fcstrncmp_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-03-28 12:09:45,454 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,455 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,455 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,456 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,456 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,457 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,457 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,458 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,459 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,459 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:09:45,459 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,461 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,461 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,462 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,462 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,462 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,462 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,462 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,463 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,464 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,465 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,470 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,470 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,471 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,471 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,472 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,473 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:09:45,474 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,474 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,474 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,475 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,476 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,476 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,476 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,476 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,477 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,477 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,477 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,477 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,477 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,478 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,478 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,478 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,478 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,479 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,479 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,479 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 12:09:45 BoogieIcfgContainer [2018-03-28 12:09:45,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 12:09:45,483 INFO L168 Benchmark]: Toolchain (without parser) took 48706.33 ms. Allocated memory was 299.4 MB in the beginning and 632.3 MB in the end (delta: 332.9 MB). Free memory was 236.2 MB in the beginning and 493.1 MB in the end (delta: -256.9 MB). Peak memory consumption was 274.2 MB. Max. memory is 5.3 GB. [2018-03-28 12:09:45,485 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 299.4 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 12:09:45,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.16 ms. Allocated memory is still 299.4 MB. Free memory was 236.2 MB in the beginning and 212.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-03-28 12:09:45,485 INFO L168 Benchmark]: Boogie Preprocessor took 55.97 ms. Allocated memory is still 299.4 MB. Free memory was 212.1 MB in the beginning and 209.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:09:45,485 INFO L168 Benchmark]: RCFGBuilder took 538.02 ms. Allocated memory was 299.4 MB in the beginning and 453.5 MB in the end (delta: 154.1 MB). Free memory was 209.1 MB in the beginning and 385.5 MB in the end (delta: -176.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 5.3 GB. [2018-03-28 12:09:45,486 INFO L168 Benchmark]: TraceAbstraction took 47789.46 ms. Allocated memory was 453.5 MB in the beginning and 632.3 MB in the end (delta: 178.8 MB). Free memory was 384.1 MB in the beginning and 493.1 MB in the end (delta: -109.0 MB). Peak memory consumption was 268.0 MB. Max. memory is 5.3 GB. [2018-03-28 12:09:45,488 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 299.4 MB. Free memory is still 261.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 317.16 ms. Allocated memory is still 299.4 MB. Free memory was 236.2 MB in the beginning and 212.1 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.97 ms. Allocated memory is still 299.4 MB. Free memory was 212.1 MB in the beginning and 209.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 538.02 ms. Allocated memory was 299.4 MB in the beginning and 453.5 MB in the end (delta: 154.1 MB). Free memory was 209.1 MB in the beginning and 385.5 MB in the end (delta: -176.4 MB). Peak memory consumption was 21.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 47789.46 ms. Allocated memory was 453.5 MB in the beginning and 632.3 MB in the end (delta: 178.8 MB). Free memory was 384.1 MB in the beginning and 493.1 MB in the end (delta: -109.0 MB). Peak memory consumption was 268.0 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_~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[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,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[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~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[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,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[main_~length2~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] * 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 567]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 566]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: 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: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: 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: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-03-28 12:09:45,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,496 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,497 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,498 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,498 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,498 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,498 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,499 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,499 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:09:45,499 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,499 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,499 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,500 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,501 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,501 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,501 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,501 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,501 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,502 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,502 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,502 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,502 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,502 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,502 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,503 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,503 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,503 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,503 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,505 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,506 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc16.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc15.base_BEFORE_CALL_7,QUANTIFIED] [2018-03-28 12:09:45,507 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-03-28 12:09:45,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-03-28 12:09:45,508 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-03-28 12:09:45,509 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,509 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,509 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,509 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,510 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,511 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,512 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-03-28 12:09:45,513 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-03-28 12:09:45,513 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1] && (\exists main_~length2~0 : int :: (1 <= main_~length2~0 && s2 + main_~length2~0 <= unknown-#length-unknown[s2]) && unknown-#memory_int-unknown[s2][s2 + main_~length2~0 + -1] == 0)) && ((0 <= s2 && 0 <= s1) && 1 == \valid[s1]) && s1 + 1 <= unknown-#length-unknown[s1]) && unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0) && 1 == \valid[s2]) || (((s2 < 0 || !(1 == \valid[s2])) || unknown-#length-unknown[s1] < s1 + 1) || s1 < 0) || !(\exists v_main_#t~malloc16.base_BEFORE_CALL_7 : int, v_main_#t~malloc15.base_BEFORE_CALL_7 : int :: (\valid[v_main_#t~malloc16.base_BEFORE_CALL_7] == 1 && !(v_main_#t~malloc16.base_BEFORE_CALL_7 == v_main_#t~malloc15.base_BEFORE_CALL_7)) && \valid[v_main_#t~malloc15.base_BEFORE_CALL_7] == 1)) || !(0 == unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1])) || !(\valid[s1] == 1)) || !(0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1])) || (((((((1 <= s1 && s2 + 1 <= unknown-#length-unknown[s2]) && 0 == unknown-#memory_int-unknown[s1][unknown-#length-unknown[s1] + -1]) && 1 == \valid[s1]) && 1 <= s2) && unknown-#memory_int-unknown[s2][unknown-#length-unknown[s2] + -1] == 0) && s1 + 1 <= unknown-#length-unknown[s1]) && 1 == \valid[s2])) || !(\exists main_~length2~0 : int :: (1 <= main_~length2~0 && unknown-#memory_int-unknown[s2][s2 + main_~length2~0 + -1] == 0) && s2 + main_~length2~0 <= unknown-#length-unknown[s2])) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(main_~nondetString2~0.base == s1) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 114 locations, 15 error locations. SAFE Result, 47.7s OverallTime, 20 OverallIterations, 3 TraceHistogramMax, 8.6s AutomataDifference, 0.0s DeadEndRemovalTime, 29.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1780 SDtfs, 2798 SDslu, 7410 SDs, 0 SdLazy, 4949 SolverSat, 153 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1939 GetRequests, 1582 SyntacticMatches, 18 SemanticMatches, 339 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2121 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=10, 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, 20 MinimizatonAttempts, 344 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 10 NumberOfFragments, 383 HoareAnnotationTreeSize, 7 FomulaSimplifications, 210 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2329 FormulaSimplificationTreeSizeReductionInter, 28.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1776 ConstructedInterpolants, 278 QuantifiedInterpolants, 1283529 SizeOfPredicates, 151 NumberOfNonLiveVariables, 2551 ConjunctsInSsa, 297 ConjunctsInUnsatCore, 40 InterpolantComputations, 32 PerfectInterpolantSequences, 80/230 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/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_12-09-45-519.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_12-09-45-519.csv Received shutdown request...