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/subseq-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 20:55:43,982 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 20:55:43,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 20:55:43,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-11 20:55:44,026 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 20:55:44,049 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 20:55:44,049 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 20:55:44,050 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 20:55:44,050 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 20:55:44,051 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 20:55:44,051 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 20:55:44,051 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 20:55:44,051 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 20:55:44,051 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 20:55:44,052 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 20:55:44,052 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 20:55:44,052 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 20:55:44,052 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 20:55:44,053 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 20:55:44,053 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 20:55:44,053 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 20:55:44,053 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 20:55:44,053 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 20:55:44,053 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 20:55:44,054 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 20:55:44,054 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 20:55:44,054 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 20:55:44,054 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 20:55:44,054 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 20:55:44,054 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 20:55:44,055 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 20:55:44,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:55:44,055 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 20:55:44,055 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 20:55:44,055 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 20:55:44,055 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 20:55:44,056 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 20:55:44,056 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:44,056 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 20:55:44,057 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 20:55:44,057 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 20:55:44,057 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 20:55:44,057 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 20:55:44,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 20:55:44,099 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 20:55:44,103 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 20:55:44,104 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 20:55:44,104 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 20:55:44,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,424 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9a2b8a7fa [2018-04-11 20:55:44,597 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 20:55:44,598 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 20:55:44,598 INFO L168 CDTParser]: Scanning subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,609 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 20:55:44,609 INFO L215 ultiparseSymbolTable]: [2018-04-11 20:55:44,609 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 20:55:44,609 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64 ('__bswap_64') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,609 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32 ('__bswap_32') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ ('') in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 20:55:44,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____intptr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____ssize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fsfilcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____timer_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____mode_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,610 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_short in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____socklen_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__key_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__size_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__off_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____rlim_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fsblkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____rlim64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__register_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsfilcnt64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,611 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsblkcnt64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_mutex_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsfilcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ldiv_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ino_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____time_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_char in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____suseconds_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____caddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____dev_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____qaddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__lldiv_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,612 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__wchar_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____blksize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__blksize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_attr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__uid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_condattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_once_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__blkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_char in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_long in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,613 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__div_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__caddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_spinlock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__mode_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fd_set in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____sigset_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__gid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_short in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ulong in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,614 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_long in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____ino_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____ino64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____pid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____syscall_slong_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_barrier_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____off_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,615 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____WAIT_STATUS in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____gid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__clock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____loff_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__suseconds_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____blkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,616 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int16_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_cond_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__daddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fsid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____key_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____clockid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____daddr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____clock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____pthread_list_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,617 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____useconds_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__int64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_quad_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ushort in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____off64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__loff_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,618 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____int64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsblkcnt_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____syscall_ulong_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____sig_atomic_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int32_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____id_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fd_mask in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____u_int in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,619 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__u_int8_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__time_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_key_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_rwlock_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____nlink_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__clockid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__timer_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,620 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__dev_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__sigset_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__id_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uint64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__fd_mask in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____blkcnt64_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____fsword_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,621 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__ssize_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____uid_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__nlink_t in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,622 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i__uint in subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:44,639 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG9a2b8a7fa [2018-04-11 20:55:44,644 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 20:55:44,647 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 20:55:44,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 20:55:44,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 20:55:44,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 20:55:44,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:44,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ccaefc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44, skipping insertion in model container [2018-04-11 20:55:44,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:44,670 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:55:44,699 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 20:55:44,866 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:55:44,918 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 20:55:44,925 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 20:55:44,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44 WrapperNode [2018-04-11 20:55:44,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 20:55:44,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 20:55:44,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 20:55:44,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 20:55:44,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:44,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:44,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:44,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:45,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:45,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:45,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... [2018-04-11 20:55:45,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 20:55:45,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 20:55:45,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 20:55:45,017 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 20:55:45,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 20:55:45,145 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 20:55:45,145 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 20:55:45,145 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:55:45,146 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:55:45,146 INFO L136 BoogieDeclarations]: Found implementation of procedure subseq [2018-04-11 20:55:45,146 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 20:55:45,146 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32 [2018-04-11 20:55:45,146 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64 [2018-04-11 20:55:45,146 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 20:55:45,146 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 20:55:45,146 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 20:55:45,146 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 20:55:45,147 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 20:55:45,147 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 20:55:45,147 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 20:55:45,147 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 20:55:45,147 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 20:55:45,147 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 20:55:45,148 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 20:55:45,148 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 20:55:45,148 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 20:55:45,148 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 20:55:45,148 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 20:55:45,148 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 20:55:45,149 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 20:55:45,150 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 20:55:45,151 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 20:55:45,152 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 20:55:45,153 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 20:55:45,154 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 20:55:45,155 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 20:55:45,156 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 20:55:45,157 INFO L128 BoogieDeclarations]: Found specification of procedure subseq [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 20:55:45,158 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 20:55:45,540 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 20:55:45,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:55:45 BoogieIcfgContainer [2018-04-11 20:55:45,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 20:55:45,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 20:55:45,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 20:55:45,545 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 20:55:45,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 08:55:44" (1/3) ... [2018-04-11 20:55:45,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f033dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:55:45, skipping insertion in model container [2018-04-11 20:55:45,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 08:55:44" (2/3) ... [2018-04-11 20:55:45,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f033dc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 08:55:45, skipping insertion in model container [2018-04-11 20:55:45,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 08:55:45" (3/3) ... [2018-04-11 20:55:45,549 INFO L107 eAbstractionObserver]: Analyzing ICFG subseq-alloca_true-valid-memsafety_true-termination.i [2018-04-11 20:55:45,560 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 20:55:45,568 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 20:55:45,618 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 20:55:45,619 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 20:55:45,619 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 20:55:45,619 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 20:55:45,619 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 20:55:45,619 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 20:55:45,619 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 20:55:45,620 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 20:55:45,620 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 20:55:45,620 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 20:55:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-04-11 20:55:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:55:45,641 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:45,641 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:45,642 INFO L408 AbstractCegarLoop]: === Iteration 1 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:45,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1217463340, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:45,658 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:45,696 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:45,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:55:45,742 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:45,747 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:45,747 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:55:45,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:55:45,772 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:45,781 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:45,781 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 20:55:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:45,802 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:45,864 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:45,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:55:45,867 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:55:45,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:55:45,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:55:45,885 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 4 states. [2018-04-11 20:55:45,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:45,977 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2018-04-11 20:55:45,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:55:45,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-11 20:55:45,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:45,990 INFO L225 Difference]: With dead ends: 109 [2018-04-11 20:55:45,991 INFO L226 Difference]: Without dead ends: 83 [2018-04-11 20:55:45,995 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:55:46,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-11 20:55:46,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-11 20:55:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-11 20:55:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2018-04-11 20:55:46,032 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 19 [2018-04-11 20:55:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:46,033 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2018-04-11 20:55:46,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:55:46,033 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2018-04-11 20:55:46,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 20:55:46,033 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:46,034 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:46,034 INFO L408 AbstractCegarLoop]: === Iteration 2 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:46,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1217463341, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:46,042 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:46,060 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:46,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:55:46,070 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:46,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:55:46,080 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:46,086 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:46,087 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-11 20:55:46,145 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:46,146 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:46,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:55:46,147 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:46,165 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 20:55:46,166 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:46,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:46,178 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:28, output treesize:12 [2018-04-11 20:55:46,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:46,196 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:48,307 WARN L148 SmtUtils]: Spent 2040ms on a formula simplification that was a NOOP. DAG size: 26 [2018-04-11 20:55:48,319 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:48,320 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:25, output treesize:3 [2018-04-11 20:55:48,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:48,350 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:48,350 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-11 20:55:48,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:55:48,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:55:48,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:55:48,352 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 9 states. [2018-04-11 20:55:48,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:48,595 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions. [2018-04-11 20:55:48,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:55:48,595 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-04-11 20:55:48,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:48,597 INFO L225 Difference]: With dead ends: 83 [2018-04-11 20:55:48,597 INFO L226 Difference]: Without dead ends: 82 [2018-04-11 20:55:48,598 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:55:48,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-11 20:55:48,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-11 20:55:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-11 20:55:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 87 transitions. [2018-04-11 20:55:48,608 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 87 transitions. Word has length 19 [2018-04-11 20:55:48,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:48,609 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 87 transitions. [2018-04-11 20:55:48,609 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:55:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 87 transitions. [2018-04-11 20:55:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:55:48,609 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:48,610 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:48,610 INFO L408 AbstractCegarLoop]: === Iteration 3 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:48,610 INFO L82 PathProgramCache]: Analyzing trace with hash -913342120, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:48,628 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:48,647 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:48,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:55:48,652 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:48,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:48,654 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 20:55:48,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:48,660 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:48,685 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:48,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:55:48,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 20:55:48,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 20:55:48,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 20:55:48,686 INFO L87 Difference]: Start difference. First operand 82 states and 87 transitions. Second operand 4 states. [2018-04-11 20:55:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:48,729 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-04-11 20:55:48,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 20:55:48,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 20:55:48,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:48,731 INFO L225 Difference]: With dead ends: 82 [2018-04-11 20:55:48,731 INFO L226 Difference]: Without dead ends: 81 [2018-04-11 20:55:48,731 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 20:55:48,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-11 20:55:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-04-11 20:55:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-11 20:55:48,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 86 transitions. [2018-04-11 20:55:48,740 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 86 transitions. Word has length 20 [2018-04-11 20:55:48,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:48,740 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 86 transitions. [2018-04-11 20:55:48,740 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 20:55:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 86 transitions. [2018-04-11 20:55:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 20:55:48,741 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:48,741 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:48,742 INFO L408 AbstractCegarLoop]: === Iteration 4 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:48,742 INFO L82 PathProgramCache]: Analyzing trace with hash -913342119, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:48,755 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:48,774 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:48,784 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:55:48,785 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:48,802 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:48,802 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-11 20:55:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:48,833 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:48,898 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:48,898 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-11 20:55:48,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:55:48,899 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:55:48,900 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:55:48,901 INFO L87 Difference]: Start difference. First operand 81 states and 86 transitions. Second operand 7 states. [2018-04-11 20:55:49,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:49,060 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2018-04-11 20:55:49,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:55:49,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 20:55:49,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:49,061 INFO L225 Difference]: With dead ends: 81 [2018-04-11 20:55:49,062 INFO L226 Difference]: Without dead ends: 80 [2018-04-11 20:55:49,062 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:55:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-11 20:55:49,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-11 20:55:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-11 20:55:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2018-04-11 20:55:49,067 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 20 [2018-04-11 20:55:49,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:49,068 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2018-04-11 20:55:49,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:55:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2018-04-11 20:55:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 20:55:49,068 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:49,069 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] [2018-04-11 20:55:49,069 INFO L408 AbstractCegarLoop]: === Iteration 5 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:49,069 INFO L82 PathProgramCache]: Analyzing trace with hash 454780171, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:49,077 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:49,094 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,109 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,134 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:49,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:55:49,134 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:55:49,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:55:49,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:55:49,135 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 6 states. [2018-04-11 20:55:49,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:49,256 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2018-04-11 20:55:49,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:55:49,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-04-11 20:55:49,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:49,258 INFO L225 Difference]: With dead ends: 87 [2018-04-11 20:55:49,258 INFO L226 Difference]: Without dead ends: 85 [2018-04-11 20:55:49,258 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:55:49,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-11 20:55:49,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2018-04-11 20:55:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-11 20:55:49,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 90 transitions. [2018-04-11 20:55:49,265 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 90 transitions. Word has length 27 [2018-04-11 20:55:49,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:49,265 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 90 transitions. [2018-04-11 20:55:49,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:55:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2018-04-11 20:55:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 20:55:49,266 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:49,267 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] [2018-04-11 20:55:49,267 INFO L408 AbstractCegarLoop]: === Iteration 6 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:49,267 INFO L82 PathProgramCache]: Analyzing trace with hash 454780172, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:49,274 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:49,290 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,334 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:49,345 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:55:49,346 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:49,353 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:55:49,353 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:49,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:55:49,356 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:55:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,398 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:49,398 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-11 20:55:49,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:55:49,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:55:49,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:55:49,399 INFO L87 Difference]: Start difference. First operand 84 states and 90 transitions. Second operand 9 states. [2018-04-11 20:55:49,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:49,528 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2018-04-11 20:55:49,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 20:55:49,528 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2018-04-11 20:55:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:49,529 INFO L225 Difference]: With dead ends: 85 [2018-04-11 20:55:49,529 INFO L226 Difference]: Without dead ends: 83 [2018-04-11 20:55:49,530 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-11 20:55:49,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-11 20:55:49,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-11 20:55:49,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-11 20:55:49,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 88 transitions. [2018-04-11 20:55:49,536 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 88 transitions. Word has length 27 [2018-04-11 20:55:49,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:49,537 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 88 transitions. [2018-04-11 20:55:49,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:55:49,537 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 88 transitions. [2018-04-11 20:55:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 20:55:49,538 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:49,538 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] [2018-04-11 20:55:49,538 INFO L408 AbstractCegarLoop]: === Iteration 7 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:49,538 INFO L82 PathProgramCache]: Analyzing trace with hash 2029255543, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:49,544 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:49,560 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:49,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,574 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,600 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:49,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-11 20:55:49,600 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 20:55:49,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 20:55:49,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-11 20:55:49,601 INFO L87 Difference]: Start difference. First operand 83 states and 88 transitions. Second operand 6 states. [2018-04-11 20:55:49,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:49,674 INFO L93 Difference]: Finished difference Result 104 states and 111 transitions. [2018-04-11 20:55:49,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 20:55:49,675 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-04-11 20:55:49,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:49,676 INFO L225 Difference]: With dead ends: 104 [2018-04-11 20:55:49,676 INFO L226 Difference]: Without dead ends: 101 [2018-04-11 20:55:49,676 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-04-11 20:55:49,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-04-11 20:55:49,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2018-04-11 20:55:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-11 20:55:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2018-04-11 20:55:49,682 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 30 [2018-04-11 20:55:49,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:49,682 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2018-04-11 20:55:49,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 20:55:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2018-04-11 20:55:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 20:55:49,683 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:49,683 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] [2018-04-11 20:55:49,683 INFO L408 AbstractCegarLoop]: === Iteration 8 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:49,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2029255544, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:49,689 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:49,712 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,771 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:49,780 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-11 20:55:49,780 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:49,786 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-11 20:55:49,787 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:49,790 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:55:49,790 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-11 20:55:49,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,823 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:49,823 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-11 20:55:49,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 20:55:49,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 20:55:49,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-04-11 20:55:49,824 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand 9 states. [2018-04-11 20:55:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:49,931 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2018-04-11 20:55:49,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 20:55:49,932 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-11 20:55:49,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:49,932 INFO L225 Difference]: With dead ends: 101 [2018-04-11 20:55:49,932 INFO L226 Difference]: Without dead ends: 98 [2018-04-11 20:55:49,933 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-11 20:55:49,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-04-11 20:55:49,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-04-11 20:55:49,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-04-11 20:55:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 105 transitions. [2018-04-11 20:55:49,941 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 105 transitions. Word has length 30 [2018-04-11 20:55:49,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:49,941 INFO L459 AbstractCegarLoop]: Abstraction has 98 states and 105 transitions. [2018-04-11 20:55:49,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 20:55:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 105 transitions. [2018-04-11 20:55:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-11 20:55:49,943 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:49,943 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 20:55:49,943 INFO L408 AbstractCegarLoop]: === Iteration 9 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:49,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2071992893, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:49,949 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:49,969 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,974 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:49,999 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:49,999 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 20:55:50,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 20:55:50,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 20:55:50,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:55:50,000 INFO L87 Difference]: Start difference. First operand 98 states and 105 transitions. Second operand 3 states. [2018-04-11 20:55:50,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:50,009 INFO L93 Difference]: Finished difference Result 158 states and 170 transitions. [2018-04-11 20:55:50,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 20:55:50,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2018-04-11 20:55:50,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:50,010 INFO L225 Difference]: With dead ends: 158 [2018-04-11 20:55:50,010 INFO L226 Difference]: Without dead ends: 92 [2018-04-11 20:55:50,011 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 20:55:50,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-11 20:55:50,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-11 20:55:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-11 20:55:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions. [2018-04-11 20:55:50,018 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 46 [2018-04-11 20:55:50,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:50,018 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions. [2018-04-11 20:55:50,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 20:55:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2018-04-11 20:55:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-11 20:55:50,019 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:50,019 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:50,019 INFO L408 AbstractCegarLoop]: === Iteration 10 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:50,019 INFO L82 PathProgramCache]: Analyzing trace with hash 795302885, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:50,027 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:50,046 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:50,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:50,084 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-11 20:55:50,086 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:50,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 20:55:50,087 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:50,091 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:50,095 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:50,096 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:55:50,143 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:50,158 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:50,166 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:50,215 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_12| Int)) (or (not (= (select |c_#valid| |v_main_#t~malloc13.base_12|) 0)) (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc13.base_12| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_12| 0)))) is different from false [2018-04-11 20:55:50,222 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_12| Int) (|v_main_#t~malloc12.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_11| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc13.base_12| 1) |v_main_#t~malloc12.base_11| 0) |v_main_#t~malloc13.base_12| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_12|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_11|)))))) is different from false [2018-04-11 20:55:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:50,289 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:50,290 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:55:50,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:55:50,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:55:50,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:55:50,291 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand 12 states. [2018-04-11 20:55:50,302 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc13.base_12| Int) (|v_main_#t~malloc12.base_11| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_11| 1))) (or (= (store (store (store .cse0 |v_main_#t~malloc13.base_12| 1) |v_main_#t~malloc12.base_11| 0) |v_main_#t~malloc13.base_12| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_12|) 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_11|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-11 20:55:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:50,733 INFO L93 Difference]: Finished difference Result 169 states and 180 transitions. [2018-04-11 20:55:50,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:55:50,733 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 47 [2018-04-11 20:55:50,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:50,735 INFO L225 Difference]: With dead ends: 169 [2018-04-11 20:55:50,735 INFO L226 Difference]: Without dead ends: 148 [2018-04-11 20:55:50,735 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:55:50,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-11 20:55:50,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 142. [2018-04-11 20:55:50,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-04-11 20:55:50,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 156 transitions. [2018-04-11 20:55:50,744 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 156 transitions. Word has length 47 [2018-04-11 20:55:50,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:50,744 INFO L459 AbstractCegarLoop]: Abstraction has 142 states and 156 transitions. [2018-04-11 20:55:50,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:55:50,744 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 156 transitions. [2018-04-11 20:55:50,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 20:55:50,746 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:50,747 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:50,747 INFO L408 AbstractCegarLoop]: === Iteration 11 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:50,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1021496817, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:50,756 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:50,783 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:50,828 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:50,829 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 20:55:50,832 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 20:55:50,833 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:50,845 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:50,850 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:50,851 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:55:50,900 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:50,908 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:50,921 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:50,953 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_14| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc13.base_14| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_14| 0)) (not (= (select |c_#valid| |v_main_#t~malloc13.base_14|) 0)))) is different from false [2018-04-11 20:55:50,957 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc12.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_14| 1) |v_main_#t~malloc12.base_13| 0) |v_main_#t~malloc13.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc13.base_14|)))))) is different from false [2018-04-11 20:55:50,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:51,003 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:51,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:55:51,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:55:51,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:55:51,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:55:51,004 INFO L87 Difference]: Start difference. First operand 142 states and 156 transitions. Second operand 12 states. [2018-04-11 20:55:51,018 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc13.base_14| Int) (|v_main_#t~malloc12.base_13| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_13| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_13|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_14| 1) |v_main_#t~malloc12.base_13| 0) |v_main_#t~malloc13.base_14| 0) |c_old(#valid)|) (not (= 0 (select .cse0 |v_main_#t~malloc13.base_14|))))))) is different from false [2018-04-11 20:55:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:51,379 INFO L93 Difference]: Finished difference Result 219 states and 237 transitions. [2018-04-11 20:55:51,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:55:51,379 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-04-11 20:55:51,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:51,380 INFO L225 Difference]: With dead ends: 219 [2018-04-11 20:55:51,380 INFO L226 Difference]: Without dead ends: 198 [2018-04-11 20:55:51,381 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:55:51,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-04-11 20:55:51,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 143. [2018-04-11 20:55:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-04-11 20:55:51,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 157 transitions. [2018-04-11 20:55:51,390 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 157 transitions. Word has length 48 [2018-04-11 20:55:51,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:51,390 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 157 transitions. [2018-04-11 20:55:51,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:55:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 157 transitions. [2018-04-11 20:55:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 20:55:51,391 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:51,391 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] [2018-04-11 20:55:51,391 INFO L408 AbstractCegarLoop]: === Iteration 12 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:51,391 INFO L82 PathProgramCache]: Analyzing trace with hash -199785914, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:51,398 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:51,423 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 20:55:51,456 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:51,463 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-11 20:55:51,484 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:51,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-11 20:55:51,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:55:51,485 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:55:51,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:55:51,485 INFO L87 Difference]: Start difference. First operand 143 states and 157 transitions. Second operand 7 states. [2018-04-11 20:55:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:51,667 INFO L93 Difference]: Finished difference Result 143 states and 157 transitions. [2018-04-11 20:55:51,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 20:55:51,667 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-04-11 20:55:51,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:51,668 INFO L225 Difference]: With dead ends: 143 [2018-04-11 20:55:51,668 INFO L226 Difference]: Without dead ends: 141 [2018-04-11 20:55:51,669 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:55:51,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-04-11 20:55:51,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-04-11 20:55:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-04-11 20:55:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 153 transitions. [2018-04-11 20:55:51,677 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 153 transitions. Word has length 48 [2018-04-11 20:55:51,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:51,677 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 153 transitions. [2018-04-11 20:55:51,677 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:55:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 153 transitions. [2018-04-11 20:55:51,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 20:55:51,679 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:51,679 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] [2018-04-11 20:55:51,679 INFO L408 AbstractCegarLoop]: === Iteration 13 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:51,679 INFO L82 PathProgramCache]: Analyzing trace with hash -199785913, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:51,691 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:51,717 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:51,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:55:51,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:55:51,748 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:51,750 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:51,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:51,756 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:28, output treesize:24 [2018-04-11 20:55:51,814 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 18 treesize of output 14 [2018-04-11 20:55:51,822 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 [2018-04-11 20:55:51,823 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:55:51,827 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:55:51,837 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:55:51,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:33 [2018-04-11 20:55:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:51,944 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:52,130 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 27 treesize of output 25 [2018-04-11 20:55:52,131 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:52,140 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 29 treesize of output 25 [2018-04-11 20:55:52,141 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:52,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-11 20:55:52,159 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 [2018-04-11 20:55:52,159 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:52,162 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:52,169 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 17 treesize of output 15 [2018-04-11 20:55:52,179 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 [2018-04-11 20:55:52,179 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:52,182 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:52,187 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:55:52,187 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:57, output treesize:17 [2018-04-11 20:55:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:52,260 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:55:52,260 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-04-11 20:55:52,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-11 20:55:52,261 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-11 20:55:52,261 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2018-04-11 20:55:52,261 INFO L87 Difference]: Start difference. First operand 141 states and 153 transitions. Second operand 25 states. [2018-04-11 20:55:53,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:53,082 INFO L93 Difference]: Finished difference Result 282 states and 307 transitions. [2018-04-11 20:55:53,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-11 20:55:53,082 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-04-11 20:55:53,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:53,086 INFO L225 Difference]: With dead ends: 282 [2018-04-11 20:55:53,086 INFO L226 Difference]: Without dead ends: 275 [2018-04-11 20:55:53,087 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=297, Invalid=1509, Unknown=0, NotChecked=0, Total=1806 [2018-04-11 20:55:53,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-04-11 20:55:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 197. [2018-04-11 20:55:53,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-11 20:55:53,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 217 transitions. [2018-04-11 20:55:53,111 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 217 transitions. Word has length 48 [2018-04-11 20:55:53,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:53,111 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 217 transitions. [2018-04-11 20:55:53,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-11 20:55:53,112 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 217 transitions. [2018-04-11 20:55:53,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 20:55:53,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:53,113 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:53,113 INFO L408 AbstractCegarLoop]: === Iteration 14 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:53,113 INFO L82 PathProgramCache]: Analyzing trace with hash 884000372, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:53,120 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:53,143 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:53,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:55:53,169 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-11 20:55:53,196 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:53,196 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-11 20:55:53,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 20:55:53,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 20:55:53,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-11 20:55:53,197 INFO L87 Difference]: Start difference. First operand 197 states and 217 transitions. Second operand 7 states. [2018-04-11 20:55:53,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:53,261 INFO L93 Difference]: Finished difference Result 197 states and 217 transitions. [2018-04-11 20:55:53,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 20:55:53,261 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2018-04-11 20:55:53,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:53,263 INFO L225 Difference]: With dead ends: 197 [2018-04-11 20:55:53,263 INFO L226 Difference]: Without dead ends: 196 [2018-04-11 20:55:53,263 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-11 20:55:53,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-04-11 20:55:53,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-04-11 20:55:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-04-11 20:55:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 213 transitions. [2018-04-11 20:55:53,276 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 213 transitions. Word has length 48 [2018-04-11 20:55:53,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:53,276 INFO L459 AbstractCegarLoop]: Abstraction has 196 states and 213 transitions. [2018-04-11 20:55:53,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 20:55:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 213 transitions. [2018-04-11 20:55:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 20:55:53,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:53,277 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:53,277 INFO L408 AbstractCegarLoop]: === Iteration 15 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:53,277 INFO L82 PathProgramCache]: Analyzing trace with hash 884000373, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:53,283 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:53,302 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:53,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:55:53,314 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,318 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:55:53,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:53,330 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:53,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:55:53,331 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,334 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,334 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2018-04-11 20:55:53,348 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-04-11 20:55:53,350 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:55:53,350 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,352 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,357 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:53,357 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:29, output treesize:25 [2018-04-11 20:55:53,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 26 [2018-04-11 20:55:53,373 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-04-11 20:55:53,373 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,377 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:53,384 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:53,384 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:39, output treesize:35 [2018-04-11 20:55:54,341 WARN L148 SmtUtils]: Spent 771ms on a formula simplification that was a NOOP. DAG size: 43 [2018-04-11 20:55:54,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 53 [2018-04-11 20:55:54,439 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 41 treesize of output 33 [2018-04-11 20:55:54,440 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:54,490 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 41 treesize of output 33 [2018-04-11 20:55:54,490 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:54,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 43 [2018-04-11 20:55:54,536 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 4 xjuncts. [2018-04-11 20:55:54,601 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 29 treesize of output 27 [2018-04-11 20:55:54,602 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-11 20:55:54,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 49 [2018-04-11 20:55:54,685 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-11 20:55:54,769 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 33 treesize of output 31 [2018-04-11 20:55:54,770 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-11 20:55:54,865 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 27 treesize of output 20 [2018-04-11 20:55:54,866 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:54,869 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 23 treesize of output 16 [2018-04-11 20:55:54,869 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:54,947 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 35 treesize of output 27 [2018-04-11 20:55:54,948 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:54,950 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 34 treesize of output 26 [2018-04-11 20:55:54,950 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:54,952 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-11 20:55:54,953 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:55,008 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-11 20:55:55,061 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:55:55,061 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 8 variables, input treesize:63, output treesize:66 [2018-04-11 20:55:55,179 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:55,179 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:55,741 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-11 20:55:55,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:55,758 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2018-04-11 20:55:55,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-11 20:55:55,793 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:55,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-04-11 20:55:55,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:55,812 INFO L267 ElimStorePlain]: Start of recursive call 3: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:55,821 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:55,822 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:69, output treesize:7 [2018-04-11 20:55:55,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:55,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:55:55,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 34 [2018-04-11 20:55:55,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-11 20:55:55,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-11 20:55:55,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2018-04-11 20:55:55,991 INFO L87 Difference]: Start difference. First operand 196 states and 213 transitions. Second operand 35 states. [2018-04-11 20:55:58,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:58,634 INFO L93 Difference]: Finished difference Result 353 states and 386 transitions. [2018-04-11 20:55:58,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-11 20:55:58,635 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 48 [2018-04-11 20:55:58,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:58,636 INFO L225 Difference]: With dead ends: 353 [2018-04-11 20:55:58,636 INFO L226 Difference]: Without dead ends: 352 [2018-04-11 20:55:58,638 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=616, Invalid=3416, Unknown=0, NotChecked=0, Total=4032 [2018-04-11 20:55:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2018-04-11 20:55:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 248. [2018-04-11 20:55:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-11 20:55:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 271 transitions. [2018-04-11 20:55:58,653 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 271 transitions. Word has length 48 [2018-04-11 20:55:58,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:58,653 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 271 transitions. [2018-04-11 20:55:58,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-11 20:55:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 271 transitions. [2018-04-11 20:55:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-11 20:55:58,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:58,654 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:58,654 INFO L408 AbstractCegarLoop]: === Iteration 16 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:58,654 INFO L82 PathProgramCache]: Analyzing trace with hash 2005570218, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:58,660 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:58,677 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:58,698 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:58,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-11 20:55:58,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:58,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-11 20:55:58,702 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:58,706 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:58,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:58,710 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:55:58,734 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:58,737 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:58,743 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:58,765 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_18| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc13.base_18| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_18| 0)) (not (= (select |c_#valid| |v_main_#t~malloc13.base_18|) 0)))) is different from false [2018-04-11 20:55:58,769 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_17| Int) (|v_main_#t~malloc13.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_18| 1) |v_main_#t~malloc12.base_17| 0) |v_main_#t~malloc13.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_18|) 0))))) is different from false [2018-04-11 20:55:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:58,801 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:58,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:55:58,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:55:58,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:55:58,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:55:58,802 INFO L87 Difference]: Start difference. First operand 248 states and 271 transitions. Second operand 12 states. [2018-04-11 20:55:58,813 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc12.base_17| Int) (|v_main_#t~malloc13.base_18| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_17| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_17|))) (= (store (store (store .cse0 |v_main_#t~malloc13.base_18| 1) |v_main_#t~malloc12.base_17| 0) |v_main_#t~malloc13.base_18| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc13.base_18|) 0)))))) is different from false [2018-04-11 20:55:59,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:59,120 INFO L93 Difference]: Finished difference Result 375 states and 410 transitions. [2018-04-11 20:55:59,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:55:59,120 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-04-11 20:55:59,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:59,121 INFO L225 Difference]: With dead ends: 375 [2018-04-11 20:55:59,121 INFO L226 Difference]: Without dead ends: 354 [2018-04-11 20:55:59,122 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:55:59,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-04-11 20:55:59,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 248. [2018-04-11 20:55:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-11 20:55:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 271 transitions. [2018-04-11 20:55:59,138 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 271 transitions. Word has length 48 [2018-04-11 20:55:59,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:59,138 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 271 transitions. [2018-04-11 20:55:59,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:55:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 271 transitions. [2018-04-11 20:55:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-11 20:55:59,139 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:59,139 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:59,139 INFO L408 AbstractCegarLoop]: === Iteration 17 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:59,139 INFO L82 PathProgramCache]: Analyzing trace with hash 2137052138, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:59,145 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:59,160 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:59,181 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:55:59,181 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-11 20:55:59,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-11 20:55:59,183 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:59,186 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:59,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:55:59,190 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:23, output treesize:15 [2018-04-11 20:55:59,215 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |c_main_#t~malloc13.base|) 0) (= |c_#valid| (store (store .cse0 |c_main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:59,219 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~malloc13.base| Int) (|main_#t~malloc12.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_#t~malloc12.base| 1))) (and (= (select .cse0 |main_#t~malloc13.base|) 0) (= |c_#valid| (store (store (store .cse0 |main_#t~malloc13.base| 1) |main_#t~malloc12.base| 0) |main_#t~malloc13.base| 0)) (= 0 (select |c_old(#valid)| |main_#t~malloc12.base|))))) is different from true [2018-04-11 20:55:59,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:59,227 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:55:59,244 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc13.base_20| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc13.base_20| 1) |c_main_#t~malloc12.base| 0) |v_main_#t~malloc13.base_20| 0) |c_old(#valid)|) (not (= 0 (select |c_#valid| |v_main_#t~malloc13.base_20|))))) is different from false [2018-04-11 20:55:59,248 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc12.base_19| Int) (|v_main_#t~malloc13.base_20| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_19| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc13.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc13.base_20| 1) |v_main_#t~malloc12.base_19| 0) |v_main_#t~malloc13.base_20| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_19|)))))) is different from false [2018-04-11 20:55:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:59,286 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 20:55:59,286 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 11 [2018-04-11 20:55:59,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 20:55:59,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 20:55:59,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=45, Unknown=4, NotChecked=60, Total=132 [2018-04-11 20:55:59,287 INFO L87 Difference]: Start difference. First operand 248 states and 271 transitions. Second operand 12 states. [2018-04-11 20:55:59,296 WARN L1011 $PredicateComparison]: unable to prove that (and (forall ((|v_main_#t~malloc12.base_19| Int) (|v_main_#t~malloc13.base_20| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc12.base_19| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc13.base_20|))) (= |c_old(#valid)| (store (store (store .cse0 |v_main_#t~malloc13.base_20| 1) |v_main_#t~malloc12.base_19| 0) |v_main_#t~malloc13.base_20| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc12.base_19|)))))) (= |c_#valid| |c_old(#valid)|)) is different from false [2018-04-11 20:55:59,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:55:59,622 INFO L93 Difference]: Finished difference Result 251 states and 271 transitions. [2018-04-11 20:55:59,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 20:55:59,655 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 49 [2018-04-11 20:55:59,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:55:59,656 INFO L225 Difference]: With dead ends: 251 [2018-04-11 20:55:59,656 INFO L226 Difference]: Without dead ends: 230 [2018-04-11 20:55:59,656 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 87 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=125, Unknown=6, NotChecked=130, Total=306 [2018-04-11 20:55:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-04-11 20:55:59,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 122. [2018-04-11 20:55:59,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-04-11 20:55:59,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 129 transitions. [2018-04-11 20:55:59,667 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 129 transitions. Word has length 49 [2018-04-11 20:55:59,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:55:59,667 INFO L459 AbstractCegarLoop]: Abstraction has 122 states and 129 transitions. [2018-04-11 20:55:59,667 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 20:55:59,668 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 129 transitions. [2018-04-11 20:55:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-11 20:55:59,668 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:55:59,668 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 20:55:59,668 INFO L408 AbstractCegarLoop]: === Iteration 18 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:55:59,668 INFO L82 PathProgramCache]: Analyzing trace with hash -2006281386, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 20:55:59,677 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:55:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:55:59,699 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:55:59,702 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:55:59,702 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:59,704 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:59,705 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 20:55:59,714 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 20:55:59,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:55:59,716 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:55:59,717 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:59,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:55:59,718 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2018-04-11 20:55:59,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-11 20:55:59,777 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 [2018-04-11 20:55:59,777 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-11 20:55:59,781 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:55:59,787 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:55:59,787 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:29, output treesize:34 [2018-04-11 20:55:59,926 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:55:59,926 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:56:00,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-11 20:56:00,318 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-11 20:56:00,319 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:00,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:56:00,325 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:56:00,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:33, output treesize:35 [2018-04-11 20:56:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:56:00,415 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:56:00,416 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2018-04-11 20:56:00,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-11 20:56:00,416 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-11 20:56:00,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2018-04-11 20:56:00,417 INFO L87 Difference]: Start difference. First operand 122 states and 129 transitions. Second operand 30 states. [2018-04-11 20:56:01,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:56:01,418 INFO L93 Difference]: Finished difference Result 158 states and 167 transitions. [2018-04-11 20:56:01,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-11 20:56:01,418 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 66 [2018-04-11 20:56:01,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:56:01,419 INFO L225 Difference]: With dead ends: 158 [2018-04-11 20:56:01,419 INFO L226 Difference]: Without dead ends: 151 [2018-04-11 20:56:01,420 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=515, Invalid=2035, Unknown=0, NotChecked=0, Total=2550 [2018-04-11 20:56:01,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-04-11 20:56:01,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 79. [2018-04-11 20:56:01,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-11 20:56:01,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 83 transitions. [2018-04-11 20:56:01,430 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 83 transitions. Word has length 66 [2018-04-11 20:56:01,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:56:01,430 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 83 transitions. [2018-04-11 20:56:01,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-11 20:56:01,430 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2018-04-11 20:56:01,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-11 20:56:01,431 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 20:56:01,431 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 20:56:01,431 INFO L408 AbstractCegarLoop]: === Iteration 19 === [subseqErr8RequiresViolation, subseqErr4RequiresViolation, subseqErr2RequiresViolation, subseqErr3RequiresViolation, subseqErr9RequiresViolation, subseqErr7RequiresViolation, subseqErr5RequiresViolation, subseqErr1RequiresViolation, subseqErr0RequiresViolation, subseqErr6RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-11 20:56:01,432 INFO L82 PathProgramCache]: Analyzing trace with hash 852201644, 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 [2018-04-11 20:56:01,440 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 20:56:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 20:56:01,472 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 20:56:01,475 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:56:01,476 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,481 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 20:56:01,481 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,484 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,485 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 20:56:01,496 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:56:01,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-11 20:56:01,497 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,506 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:56:01,507 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 20:56:01,508 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 20:56:01,508 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,513 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,513 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2018-04-11 20:56:01,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 12 [2018-04-11 20:56:01,534 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 20:56:01,534 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,535 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,539 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,540 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:21 [2018-04-11 20:56:01,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 29 [2018-04-11 20:56:01,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-11 20:56:01,555 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,558 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:56:01,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-11 20:56:01,563 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:28 [2018-04-11 20:56:05,875 WARN L148 SmtUtils]: Spent 2026ms on a formula simplification that was a NOOP. DAG size: 37 [2018-04-11 20:56:05,965 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 56 [2018-04-11 20:56:05,970 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 48 treesize of output 38 [2018-04-11 20:56:05,971 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:06,035 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 40 treesize of output 38 [2018-04-11 20:56:06,036 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 20:56:06,080 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 40 treesize of output 30 [2018-04-11 20:56:06,080 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:06,130 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 37 [2018-04-11 20:56:06,131 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 4 xjuncts. [2018-04-11 20:56:06,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 55 [2018-04-11 20:56:06,208 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 4 xjuncts. [2018-04-11 20:56:06,290 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 29 treesize of output 21 [2018-04-11 20:56:06,290 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:06,292 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 34 treesize of output 26 [2018-04-11 20:56:06,293 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:06,347 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 34 treesize of output 27 [2018-04-11 20:56:06,348 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:06,395 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 27 treesize of output 25 [2018-04-11 20:56:06,396 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 2 xjuncts. [2018-04-11 20:56:06,440 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-04-11 20:56:06,487 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 20:56:06,488 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 5 variables, input treesize:60, output treesize:68 [2018-04-11 20:56:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:56:06,619 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 20:56:07,606 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 28 treesize of output 30 [2018-04-11 20:56:07,635 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 26 treesize of output 18 [2018-04-11 20:56:07,635 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:07,646 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 18 treesize of output 14 [2018-04-11 20:56:07,646 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:07,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 23 treesize of output 15 [2018-04-11 20:56:07,658 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 20:56:07,661 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 20:56:07,669 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-11 20:56:07,669 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:67, output treesize:35 [2018-04-11 20:56:08,650 WARN L148 SmtUtils]: Spent 870ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-11 20:56:09,915 WARN L148 SmtUtils]: Spent 1192ms on a formula simplification that was a NOOP. DAG size: 34 [2018-04-11 20:56:09,944 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 20:56:09,964 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 20:56:09,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 20] total 41 [2018-04-11 20:56:09,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-11 20:56:09,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-11 20:56:09,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1544, Unknown=0, NotChecked=0, Total=1722 [2018-04-11 20:56:09,966 INFO L87 Difference]: Start difference. First operand 79 states and 83 transitions. Second operand 42 states. [2018-04-11 20:56:10,816 WARN L151 SmtUtils]: Spent 273ms on a formula simplification. DAG size of input: 72 DAG size of output 39 [2018-04-11 20:56:11,039 WARN L151 SmtUtils]: Spent 165ms on a formula simplification. DAG size of input: 76 DAG size of output 52 [2018-04-11 20:56:11,267 WARN L151 SmtUtils]: Spent 172ms on a formula simplification. DAG size of input: 80 DAG size of output 55 [2018-04-11 20:56:11,473 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 74 DAG size of output 50 [2018-04-11 20:56:11,687 WARN L151 SmtUtils]: Spent 158ms on a formula simplification. DAG size of input: 78 DAG size of output 56 [2018-04-11 20:56:11,897 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 82 DAG size of output 60 [2018-04-11 20:56:12,077 WARN L151 SmtUtils]: Spent 129ms on a formula simplification. DAG size of input: 51 DAG size of output 39 [2018-04-11 20:56:12,741 WARN L151 SmtUtils]: Spent 588ms on a formula simplification. DAG size of input: 67 DAG size of output 49 [2018-04-11 20:56:15,497 WARN L151 SmtUtils]: Spent 2651ms on a formula simplification. DAG size of input: 64 DAG size of output 50 [2018-04-11 20:56:15,764 WARN L151 SmtUtils]: Spent 198ms on a formula simplification. DAG size of input: 47 DAG size of output 39 [2018-04-11 20:56:16,050 WARN L151 SmtUtils]: Spent 153ms on a formula simplification. DAG size of input: 53 DAG size of output 45 [2018-04-11 20:56:20,358 WARN L151 SmtUtils]: Spent 4259ms on a formula simplification. DAG size of input: 60 DAG size of output 52 [2018-04-11 20:56:20,776 WARN L151 SmtUtils]: Spent 368ms on a formula simplification. DAG size of input: 60 DAG size of output 49 [2018-04-11 20:56:21,027 WARN L151 SmtUtils]: Spent 173ms on a formula simplification. DAG size of input: 55 DAG size of output 47 [2018-04-11 20:56:21,287 WARN L151 SmtUtils]: Spent 157ms on a formula simplification. DAG size of input: 53 DAG size of output 45 [2018-04-11 20:56:21,491 WARN L151 SmtUtils]: Spent 144ms on a formula simplification. DAG size of input: 56 DAG size of output 48 [2018-04-11 20:56:21,689 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 65 DAG size of output 52 [2018-04-11 20:56:21,993 WARN L151 SmtUtils]: Spent 248ms on a formula simplification. DAG size of input: 65 DAG size of output 54 [2018-04-11 20:56:22,246 WARN L151 SmtUtils]: Spent 156ms on a formula simplification. DAG size of input: 58 DAG size of output 50 [2018-04-11 20:56:22,595 WARN L151 SmtUtils]: Spent 257ms on a formula simplification. DAG size of input: 55 DAG size of output 47 [2018-04-11 20:56:23,298 WARN L151 SmtUtils]: Spent 644ms on a formula simplification. DAG size of input: 72 DAG size of output 59 [2018-04-11 20:56:24,016 WARN L151 SmtUtils]: Spent 664ms on a formula simplification. DAG size of input: 75 DAG size of output 58 [2018-04-11 20:56:24,304 WARN L151 SmtUtils]: Spent 142ms on a formula simplification. DAG size of input: 58 DAG size of output 46 [2018-04-11 20:56:24,566 WARN L151 SmtUtils]: Spent 161ms on a formula simplification. DAG size of input: 52 DAG size of output 40 [2018-04-11 20:56:24,785 WARN L151 SmtUtils]: Spent 146ms on a formula simplification. DAG size of input: 58 DAG size of output 46 [2018-04-11 20:56:28,987 WARN L151 SmtUtils]: Spent 4151ms on a formula simplification. DAG size of input: 65 DAG size of output 53 [2018-04-11 20:56:29,193 WARN L151 SmtUtils]: Spent 155ms on a formula simplification. DAG size of input: 65 DAG size of output 50 [2018-04-11 20:56:29,363 WARN L151 SmtUtils]: Spent 110ms on a formula simplification. DAG size of input: 60 DAG size of output 48 [2018-04-11 20:56:29,552 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 61 DAG size of output 49 [2018-04-11 20:56:30,441 WARN L151 SmtUtils]: Spent 827ms on a formula simplification. DAG size of input: 70 DAG size of output 52 [2018-04-11 20:56:30,618 WARN L151 SmtUtils]: Spent 117ms on a formula simplification. DAG size of input: 70 DAG size of output 54 [2018-04-11 20:56:31,158 WARN L151 SmtUtils]: Spent 248ms on a formula simplification. DAG size of input: 60 DAG size of output 48 [2018-04-11 20:56:31,849 WARN L151 SmtUtils]: Spent 639ms on a formula simplification. DAG size of input: 77 DAG size of output 60 [2018-04-11 20:56:31,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 20:56:31,866 INFO L93 Difference]: Finished difference Result 105 states and 110 transitions. [2018-04-11 20:56:31,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-11 20:56:31,866 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 69 [2018-04-11 20:56:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 20:56:31,867 INFO L225 Difference]: With dead ends: 105 [2018-04-11 20:56:31,867 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 20:56:31,868 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 28.8s TimeCoverageRelationStatistics Valid=1280, Invalid=5526, Unknown=0, NotChecked=0, Total=6806 [2018-04-11 20:56:31,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 20:56:31,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 20:56:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 20:56:31,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 20:56:31,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-04-11 20:56:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 20:56:31,869 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 20:56:31,869 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-11 20:56:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 20:56:31,869 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 20:56:31,873 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-11 20:56:32,320 WARN L151 SmtUtils]: Spent 444ms on a formula simplification. DAG size of input: 265 DAG size of output 258 [2018-04-11 20:57:29,435 WARN L151 SmtUtils]: Spent 57082ms on a formula simplification. DAG size of input: 301 DAG size of output 135 [2018-04-11 20:57:29,585 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 162 DAG size of output 1 [2018-04-11 20:57:29,954 WARN L151 SmtUtils]: Spent 368ms on a formula simplification. DAG size of input: 153 DAG size of output 69 [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point L544'''''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point subseqErr5RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-04-11 20:57:29,958 INFO L416 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L544(lines 544 549) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point subseqErr4RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L412 ceAbstractionStarter]: At program point L544''''''''''''''(lines 544 549) the Hoare annotation is: (let ((.cse0 (select |#length| |subseq_#in~s.base|))) (or (not (= (select (select |#memory_int| |subseq_#in~t.base|) (+ (select |#length| |subseq_#in~t.base|) (- 1))) 0)) (not (= 0 (select (select |#memory_int| |subseq_#in~s.base|) (+ .cse0 (- 1))))) (or (not (= 1 (select |#valid| |subseq_#in~s.base|))) (not (= 1 (select |#valid| |subseq_#in~t.base|))) (< |subseq_#in~s.offset| 0) (not (exists ((|v_main_#t~malloc13.base_BEFORE_CALL_7| Int) (|v_main_#t~malloc12.base_BEFORE_CALL_7| Int)) (and (not (= |v_main_#t~malloc13.base_BEFORE_CALL_7| |v_main_#t~malloc12.base_BEFORE_CALL_7|)) (= (select |#valid| |v_main_#t~malloc12.base_BEFORE_CALL_7|) 1) (= (select |#valid| |v_main_#t~malloc13.base_BEFORE_CALL_7|) 1)))) (< |subseq_#in~t.offset| 0) (< .cse0 (+ |subseq_#in~s.offset| 1)) (not (exists ((main_~length2~0 Int)) (and (<= 1 main_~length2~0) (= (select (select |#memory_int| |subseq_#in~t.base|) (+ |subseq_#in~t.offset| main_~length2~0 (- 1))) 0) (<= (+ |subseq_#in~t.offset| main_~length2~0) (select |#length| |subseq_#in~t.base|)))))) (let ((.cse1 (select |#length| subseq_~ps~0.base))) (and (= 0 (select (select |#memory_int| subseq_~s.base) (+ (select |#length| subseq_~s.base) (- 1)))) (let ((.cse2 (select |#length| subseq_~pt~0.base))) (and (and (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| subseq_~t.base) (+ subseq_~t.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ subseq_~t.offset main_~length2~0) (select |#length| subseq_~t.base)))) (<= 0 subseq_~ps~0.offset) (<= 0 subseq_~t.offset) (= 1 (select |#valid| subseq_~ps~0.base)) (<= (+ subseq_~ps~0.offset 1) .cse1) (<= 0 subseq_~pt~0.offset) (= 1 (select |#valid| subseq_~pt~0.base)) (= (select |#valid| subseq_~t.base) 1) (exists ((v_main_~nondetString1~0.offset_BEFORE_CALL_2 Int) (main_~length1~0 Int)) (and (= (select (select |#memory_int| subseq_~s.base) (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0 (- 1))) 0) (<= 1 main_~length1~0) (<= (+ v_main_~nondetString1~0.offset_BEFORE_CALL_2 main_~length1~0) (select |#length| subseq_~s.base)) (<= subseq_~s.offset v_main_~nondetString1~0.offset_BEFORE_CALL_2))) (= (select |#valid| subseq_~s.base) 1) (<= 0 subseq_~s.offset) (<= (+ subseq_~pt~0.offset 1) .cse2)) (= (select (select |#memory_int| subseq_~t.base) (+ (select |#length| subseq_~t.base) (- 1))) 0) (= 0 (select (select |#memory_int| subseq_~pt~0.base) (+ .cse2 (- 1)))))) (= 0 (select (select |#memory_int| subseq_~ps~0.base) (+ .cse1 (- 1)))))) (not (exists ((main_~nondetString2~0.base Int) (main_~nondetString2~0.offset Int)) (and (not (= |subseq_#in~s.base| main_~nondetString2~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset (select |#length| main_~nondetString2~0.base) (- 1))))))))) [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L544''''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-04-11 20:57:29,959 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point L544'''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point subseqErr7RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point subseqEXIT(lines 540 552) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point L544''''''(lines 544 549) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point subseqErr2RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point L545''(lines 545 547) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point L544'''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point subseqErr0RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point L550'''(line 550) no Hoare annotation was computed. [2018-04-11 20:57:29,960 INFO L416 ceAbstractionStarter]: For program point subseqErr1RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L419 ceAbstractionStarter]: At program point subseqENTRY(lines 540 552) the Hoare annotation is: true [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point subseqErr9RequiresViolation(line 550) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point L544'(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point subseqErr8RequiresViolation(line 550) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point subseqFINAL(lines 540 552) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point L545'''(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point L544''''''''''''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,961 INFO L416 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L550(lines 550 551) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L545'''''''(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L545''''''(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point subseqErr3RequiresViolation(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L544''(line 544) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L545''''''''(lines 545 547) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point subseqErr6RequiresViolation(line 545) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L544'''''''''''''''(lines 544 549) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64EXIT(lines 61 65) no Hoare annotation was computed. [2018-04-11 20:57:29,962 INFO L416 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64ENTRY(lines 61 65) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point L64'(line 64) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_64FINAL(lines 61 65) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32ENTRY(lines 56 60) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point L59(line 59) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point L59'(line 59) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32FINAL(lines 56 60) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point __U_MULTI_fsubseq_alloca_true_valid_memsafety_true_termination_i____bswap_32EXIT(lines 56 60) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-11 20:57:29,963 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-11 20:57:29,963 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L563'(line 563) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L412 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (select |#length| main_~nondetString1~0.base)) (.cse0 (store |old(#valid)| |main_#t~malloc12.base| 1)) (.cse2 (select |#length| main_~nondetString2~0.base))) (and (= main_~nondetString2~0.offset 0) (= 0 main_~nondetString1~0.offset) (= |main_#t~malloc12.offset| 0) (= |#valid| (store .cse0 |main_#t~malloc13.base| 1)) (not (= main_~nondetString2~0.base main_~nondetString1~0.base)) (= .cse1 main_~length1~0) (exists ((main_~length2~0 Int)) (and (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ main_~nondetString2~0.offset main_~length2~0 (- 1)))) (<= 1 main_~length2~0) (<= (+ main_~nondetString2~0.offset main_~length2~0) (select |#length| main_~nondetString2~0.base)))) (= 1 (select |#valid| main_~nondetString1~0.base)) (= 0 (select (select |#memory_int| main_~nondetString2~0.base) (+ .cse2 (- 1)))) (= 0 (select (select |#memory_int| main_~nondetString1~0.base) (+ .cse1 (- 1)))) (= 0 |main_#t~malloc13.offset|) (= (select |#length| |main_#t~malloc12.base|) main_~length1~0) (= (select .cse0 |main_#t~malloc13.base|) 0) (exists ((main_~length1~0 Int)) (and (<= (+ main_~nondetString1~0.offset main_~length1~0) (select |#length| main_~nondetString1~0.base)) (<= 1 main_~length1~0) (= (select (select |#memory_int| main_~nondetString1~0.base) (+ main_~nondetString1~0.offset main_~length1~0 (- 1))) 0))) (= .cse2 main_~length2~0) (= (select |#length| |main_#t~malloc13.base|) main_~length2~0) (= 1 (select |#valid| main_~nondetString2~0.base)) (= 0 (select |old(#valid)| |main_#t~malloc12.base|)) (not (= |main_#t~malloc13.base| main_~nondetString1~0.base)))) [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 564) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-04-11 20:57:29,964 INFO L416 ceAbstractionStarter]: For program point L566'(line 566) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L555''(line 555) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L556''(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 565) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L564'(line 564) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L556(lines 556 558) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point mainErr4EnsuresViolationMEMORY_LEAK(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 553 567) no Hoare annotation was computed. [2018-04-11 20:57:29,965 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 553 567) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-11 20:57:29,966 INFO L416 ceAbstractionStarter]: For program point L562''(line 562) no Hoare annotation was computed. [2018-04-11 20:57:29,966 INFO L416 ceAbstractionStarter]: For program point L563''(line 563) no Hoare annotation was computed. [2018-04-11 20:57:29,966 INFO L416 ceAbstractionStarter]: For program point L555'(line 555) no Hoare annotation was computed. [2018-04-11 20:57:29,966 INFO L416 ceAbstractionStarter]: For program point L563'''(line 563) no Hoare annotation was computed. [2018-04-11 20:57:29,966 INFO L416 ceAbstractionStarter]: For program point L559'(lines 559 561) no Hoare annotation was computed. [2018-04-11 20:57:29,966 INFO L416 ceAbstractionStarter]: For program point L566''(line 566) no Hoare annotation was computed. [2018-04-11 20:57:29,974 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,975 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,975 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,975 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,977 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,977 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,977 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:29,977 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:29,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:29,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:29,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:29,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:29,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:29,979 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:29,979 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:57:29,979 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:29,981 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,981 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,982 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,982 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,982 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,982 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,982 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,983 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,983 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,983 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,983 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,983 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,983 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,984 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,984 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,984 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,984 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,984 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,984 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,984 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,985 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,985 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,985 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,992 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,992 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,992 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,993 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:29,993 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,993 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,993 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,994 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,994 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,994 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:29,995 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:29,995 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:29,995 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:29,995 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:29,996 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:29,996 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:29,996 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:29,996 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:29,997 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:57:29,997 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:29,997 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,997 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,997 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,998 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,998 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,998 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,998 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,999 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,999 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:29,999 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:29,999 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,000 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,000 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,000 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,000 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,000 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,001 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,001 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,001 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,001 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,001 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,002 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,002 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 08:57:30 BoogieIcfgContainer [2018-04-11 20:57:30,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 20:57:30,005 INFO L168 Benchmark]: Toolchain (without parser) took 105360.38 ms. Allocated memory was 295.2 MB in the beginning and 630.2 MB in the end (delta: 335.0 MB). Free memory was 232.3 MB in the beginning and 399.7 MB in the end (delta: -167.4 MB). Peak memory consumption was 283.4 MB. Max. memory is 5.3 GB. [2018-04-11 20:57:30,006 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 295.2 MB. Free memory is still 257.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 20:57:30,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.72 ms. Allocated memory is still 295.2 MB. Free memory was 232.3 MB in the beginning and 208.4 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:57:30,007 INFO L168 Benchmark]: Boogie Preprocessor took 52.62 ms. Allocated memory is still 295.2 MB. Free memory was 208.4 MB in the beginning and 206.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 20:57:30,007 INFO L168 Benchmark]: RCFGBuilder took 524.30 ms. Allocated memory was 295.2 MB in the beginning and 447.7 MB in the end (delta: 152.6 MB). Free memory was 206.4 MB in the beginning and 381.4 MB in the end (delta: -175.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. [2018-04-11 20:57:30,007 INFO L168 Benchmark]: TraceAbstraction took 104462.40 ms. Allocated memory was 447.7 MB in the beginning and 630.2 MB in the end (delta: 182.5 MB). Free memory was 381.1 MB in the beginning and 399.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 279.6 MB. Max. memory is 5.3 GB. [2018-04-11 20:57:30,009 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 295.2 MB. Free memory is still 257.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 315.72 ms. Allocated memory is still 295.2 MB. Free memory was 232.3 MB in the beginning and 208.4 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 52.62 ms. Allocated memory is still 295.2 MB. Free memory was 208.4 MB in the beginning and 206.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 524.30 ms. Allocated memory was 295.2 MB in the beginning and 447.7 MB in the end (delta: 152.6 MB). Free memory was 206.4 MB in the beginning and 381.4 MB in the end (delta: -175.0 MB). Peak memory consumption was 21.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 104462.40 ms. Allocated memory was 447.7 MB in the beginning and 630.2 MB in the end (delta: 182.5 MB). Free memory was 381.1 MB in the beginning and 399.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 279.6 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[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~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_~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_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~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_~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_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,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 #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 #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 #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 #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 #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 #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: 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: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: 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: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 544]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 545]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 565]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 564]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-04-11 20:57:30,016 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,016 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,018 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,018 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,018 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:30,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:30,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:30,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:30,020 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:30,020 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:30,020 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:30,020 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:30,020 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:57:30,021 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:30,021 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,021 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,021 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,021 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,023 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,023 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,023 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,023 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,024 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,024 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,024 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,024 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,024 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,024 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,025 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,025 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,025 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,028 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,028 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,028 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc12.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,029 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~malloc13.base_BEFORE_CALL_7,QUANTIFIED] [2018-04-11 20:57:30,029 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,029 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,029 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,030 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,030 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,030 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length2~0,QUANTIFIED] [2018-04-11 20:57:30,030 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:30,031 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:30,031 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:30,031 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:30,031 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~length1~0,QUANTIFIED] [2018-04-11 20:57:30,032 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~nondetString1~0.offset_BEFORE_CALL_2,QUANTIFIED] [2018-04-11 20:57:30,032 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:30,032 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:30,032 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.offset,QUANTIFIED] [2018-04-11 20:57:30,032 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[main_~nondetString2~0.base,QUANTIFIED] [2018-04-11 20:57:30,033 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,033 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,033 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,033 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,033 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,033 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,034 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,034 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,034 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,034 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,034 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,035 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,035 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,035 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,035 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-04-11 20:57:30,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-04-11 20:57:30,037 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((!(unknown-#memory_int-unknown[t][unknown-#length-unknown[t] + -1] == 0) || !(0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1])) || (((((!(1 == \valid[s]) || !(1 == \valid[t])) || s < 0) || !(\exists v_main_#t~malloc13.base_BEFORE_CALL_7 : int, v_main_#t~malloc12.base_BEFORE_CALL_7 : int :: (!(v_main_#t~malloc13.base_BEFORE_CALL_7 == v_main_#t~malloc12.base_BEFORE_CALL_7) && \valid[v_main_#t~malloc12.base_BEFORE_CALL_7] == 1) && \valid[v_main_#t~malloc13.base_BEFORE_CALL_7] == 1)) || t < 0) || unknown-#length-unknown[s] < s + 1) || !(\exists main_~length2~0 : int :: (1 <= main_~length2~0 && unknown-#memory_int-unknown[t][t + main_~length2~0 + -1] == 0) && t + main_~length2~0 <= unknown-#length-unknown[t])) || ((0 == unknown-#memory_int-unknown[s][unknown-#length-unknown[s] + -1] && (((((((((((((\exists main_~length2~0 : int :: (0 == unknown-#memory_int-unknown[t][t + main_~length2~0 + -1] && 1 <= main_~length2~0) && t + main_~length2~0 <= unknown-#length-unknown[t]) && 0 <= ps) && 0 <= t) && 1 == \valid[ps]) && ps + 1 <= unknown-#length-unknown[ps]) && 0 <= pt) && 1 == \valid[pt]) && \valid[t] == 1) && (\exists v_main_~nondetString1~0.offset_BEFORE_CALL_2 : int, main_~length1~0 : int :: ((unknown-#memory_int-unknown[s][v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 + -1] == 0 && 1 <= main_~length1~0) && v_main_~nondetString1~0.offset_BEFORE_CALL_2 + main_~length1~0 <= unknown-#length-unknown[s]) && s <= v_main_~nondetString1~0.offset_BEFORE_CALL_2)) && \valid[s] == 1) && 0 <= s) && pt + 1 <= unknown-#length-unknown[pt]) && unknown-#memory_int-unknown[t][unknown-#length-unknown[t] + -1] == 0) && 0 == unknown-#memory_int-unknown[pt][unknown-#length-unknown[pt] + -1]) && 0 == unknown-#memory_int-unknown[ps][unknown-#length-unknown[ps] + -1])) || !(\exists main_~nondetString2~0.base : int, main_~nondetString2~0.offset : int :: !(s == main_~nondetString2~0.base) && 0 == unknown-#memory_int-unknown[main_~nondetString2~0.base][main_~nondetString2~0.offset + unknown-#length-unknown[main_~nondetString2~0.base] + -1]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 97 locations, 15 error locations. SAFE Result, 104.3s OverallTime, 19 OverallIterations, 3 TraceHistogramMax, 29.1s AutomataDifference, 0.0s DeadEndRemovalTime, 58.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1439 SDtfs, 3348 SDslu, 6454 SDs, 0 SdLazy, 4633 SolverSat, 201 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1660 GetRequests, 1272 SyntacticMatches, 18 SemanticMatches, 370 ConstructedPredicates, 20 IntricatePredicates, 0 DeprecatedPredicates, 2498 ImplicationChecksByTransitivity, 37.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=15, 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, 19 MinimizatonAttempts, 533 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 401 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1586 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 10266 FormulaSimplificationTreeSizeReductionInter, 57.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 757 NumberOfCodeBlocks, 757 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1476 ConstructedInterpolants, 261 QuantifiedInterpolants, 845862 SizeOfPredicates, 163 NumberOfNonLiveVariables, 2368 ConjunctsInSsa, 324 ConjunctsInUnsatCore, 38 InterpolantComputations, 30 PerfectInterpolantSequences, 39/142 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/subseq-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_20-57-30-042.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/subseq-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_20-57-30-042.csv Received shutdown request...