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/memory-alloca/c.03-alloca_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-06 21:09:28,011 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 21:09:28,013 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 21:09:28,026 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-06 21:09:28,055 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-06 21:09:28,079 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 21:09:28,079 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 21:09:28,079 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 21:09:28,080 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 21:09:28,080 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 21:09:28,080 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 21:09:28,080 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 21:09:28,080 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 21:09:28,081 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 21:09:28,081 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 21:09:28,081 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 21:09:28,081 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 21:09:28,081 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 21:09:28,081 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 21:09:28,082 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 21:09:28,082 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 21:09:28,082 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 21:09:28,082 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 21:09:28,082 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 21:09:28,082 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 21:09:28,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 21:09:28,083 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 21:09:28,083 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 21:09:28,083 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 21:09:28,083 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 21:09:28,083 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 21:09:28,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 21:09:28,084 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 21:09:28,084 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 21:09:28,084 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 21:09:28,084 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 21:09:28,084 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 21:09:28,084 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:28,085 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 21:09:28,085 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 21:09:28,086 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 21:09:28,086 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 21:09:28,086 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 21:09:28,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 21:09:28,128 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 21:09:28,131 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 21:09:28,132 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 21:09:28,133 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 21:09:28,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,453 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8a0587dbc [2018-04-06 21:09:28,643 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 21:09:28,644 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 21:09:28,644 INFO L168 CDTParser]: Scanning c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,654 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 21:09:28,654 INFO L215 ultiparseSymbolTable]: [2018-04-06 21:09:28,654 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 21:09:28,654 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 ('__bswap_64') in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,654 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun ('test_fun') in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,655 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,655 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 ('__bswap_32') in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,655 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 21:09:28,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int16_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_long in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_barrierattr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__clock_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,655 INFO L230 ultiparseSymbolTable]: Global variable declaration of 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c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_char in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__blkcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_key_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int16_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,658 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_cond_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,658 INFO L230 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ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int32_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____syscall_ulong_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fd_mask in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_short in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__off_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____nlink_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ldiv_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blkcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,662 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsfilcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int32_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__register_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsblkcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pid_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ino_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ssize_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsword_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__gid_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__size_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_mutex_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____mode_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_attr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____socklen_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_once_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_int in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____intptr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__time_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__div_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____useconds_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_condattr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____rlim64_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____daddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_spinlock_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__mode_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fd_set in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____sigset_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__caddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__loff_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ushort in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____key_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint8_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____caddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____time_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____WAIT_STATUS in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_long in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blksize_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____dev_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_short in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__suseconds_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____qaddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint16_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__daddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____clock_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____loff_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsid_t in c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:28,685 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8a0587dbc [2018-04-06 21:09:28,690 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 21:09:28,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 21:09:28,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 21:09:28,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 21:09:28,698 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 21:09:28,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 09:09:28" (1/1) ... [2018-04-06 21:09:28,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573f0442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:28, skipping insertion in model container [2018-04-06 21:09:28,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 09:09:28" (1/1) ... [2018-04-06 21:09:28,714 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 21:09:28,744 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 21:09:28,908 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 21:09:28,958 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 21:09:28,966 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-06 21:09:29,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29 WrapperNode [2018-04-06 21:09:29,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 21:09:29,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 21:09:29,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 21:09:29,014 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 21:09:29,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... [2018-04-06 21:09:29,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... [2018-04-06 21:09:29,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... [2018-04-06 21:09:29,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... [2018-04-06 21:09:29,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... [2018-04-06 21:09:29,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... [2018-04-06 21:09:29,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... [2018-04-06 21:09:29,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 21:09:29,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 21:09:29,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 21:09:29,065 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 21:09:29,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 21:09:29,187 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 21:09:29,187 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 21:09:29,187 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-04-06 21:09:29,187 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-04-06 21:09:29,188 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-04-06 21:09:29,188 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 21:09:29,188 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-04-06 21:09:29,188 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-04-06 21:09:29,188 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 21:09:29,188 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 21:09:29,188 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 21:09:29,188 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 21:09:29,189 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 21:09:29,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 21:09:29,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 21:09:29,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 21:09:29,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 21:09:29,189 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 21:09:29,190 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 21:09:29,190 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 21:09:29,190 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 21:09:29,190 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 21:09:29,190 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 21:09:29,190 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 21:09:29,191 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 21:09:29,191 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 21:09:29,191 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 21:09:29,191 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 21:09:29,191 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 21:09:29,191 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 21:09:29,191 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 21:09:29,192 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 21:09:29,193 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 21:09:29,194 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 21:09:29,195 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 21:09:29,196 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 21:09:29,197 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 21:09:29,198 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 21:09:29,198 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 21:09:29,198 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 21:09:29,198 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 21:09:29,198 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 21:09:29,198 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 21:09:29,198 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 21:09:29,199 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 21:09:29,200 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 21:09:29,200 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 21:09:29,200 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-06 21:09:29,200 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-04-06 21:09:29,200 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 21:09:29,200 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-06 21:09:29,200 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-06 21:09:29,201 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 21:09:29,201 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 21:09:29,201 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 21:09:29,201 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 21:09:29,201 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-06 21:09:29,609 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 21:09:29,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 09:09:29 BoogieIcfgContainer [2018-04-06 21:09:29,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 21:09:29,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 21:09:29,611 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 21:09:29,615 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 21:09:29,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 09:09:28" (1/3) ... [2018-04-06 21:09:29,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c59ff8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 09:09:29, skipping insertion in model container [2018-04-06 21:09:29,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 09:09:29" (2/3) ... [2018-04-06 21:09:29,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c59ff8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 09:09:29, skipping insertion in model container [2018-04-06 21:09:29,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 09:09:29" (3/3) ... [2018-04-06 21:09:29,618 INFO L107 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-04-06 21:09:29,626 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 21:09:29,632 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-04-06 21:09:29,671 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 21:09:29,671 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 21:09:29,671 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 21:09:29,671 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 21:09:29,671 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 21:09:29,672 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 21:09:29,672 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 21:09:29,672 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 21:09:29,672 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 21:09:29,672 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 21:09:29,690 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2018-04-06 21:09:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-06 21:09:29,695 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:29,695 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] [2018-04-06 21:09:29,696 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:29,701 INFO L82 PathProgramCache]: Analyzing trace with hash 923352193, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:29,713 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:29,768 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:29,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:29,821 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:29,844 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:29,844 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:29,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 21:09:29,852 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-06 21:09:29,925 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 21:09:29,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-06 21:09:29,927 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:29,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 21:09:29,939 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 21:09:29,940 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-06 21:09:29,940 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:29,946 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:29,947 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-04-06 21:09:29,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-04-06 21:09:29,988 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:30,024 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:30,025 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-04-06 21:09:30,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-04-06 21:09:30,056 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:30,072 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:30,073 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-04-06 21:09:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:30,092 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:31,111 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 21:09:31,111 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 6] imperfect sequences [] total 9 [2018-04-06 21:09:31,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-06 21:09:31,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-06 21:09:31,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=58, Unknown=3, NotChecked=0, Total=90 [2018-04-06 21:09:31,126 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 10 states. [2018-04-06 21:09:31,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 21:09:31,382 INFO L93 Difference]: Finished difference Result 129 states and 130 transitions. [2018-04-06 21:09:31,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 21:09:31,383 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-04-06 21:09:31,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 21:09:31,392 INFO L225 Difference]: With dead ends: 129 [2018-04-06 21:09:31,392 INFO L226 Difference]: Without dead ends: 90 [2018-04-06 21:09:31,395 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=95, Unknown=3, NotChecked=0, Total=156 [2018-04-06 21:09:31,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-04-06 21:09:31,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-04-06 21:09:31,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-06 21:09:31,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2018-04-06 21:09:31,435 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 22 [2018-04-06 21:09:31,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 21:09:31,436 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2018-04-06 21:09:31,436 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-06 21:09:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2018-04-06 21:09:31,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-06 21:09:31,436 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:31,436 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] [2018-04-06 21:09:31,437 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:31,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1440853117, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:31,443 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:31,465 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:31,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:31,477 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,478 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,479 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 21:09:31,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-06 21:09:31,498 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,502 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:31,503 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-06 21:09:31,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-06 21:09:31,512 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,517 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:31,517 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-06 21:09:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:31,532 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:31,597 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 21:09:31,597 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 21:09:31,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 21:09:31,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 21:09:31,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 21:09:31,600 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 4 states. [2018-04-06 21:09:31,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 21:09:31,695 INFO L93 Difference]: Finished difference Result 90 states and 91 transitions. [2018-04-06 21:09:31,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 21:09:31,695 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-04-06 21:09:31,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 21:09:31,697 INFO L225 Difference]: With dead ends: 90 [2018-04-06 21:09:31,697 INFO L226 Difference]: Without dead ends: 88 [2018-04-06 21:09:31,698 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 21:09:31,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-06 21:09:31,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-04-06 21:09:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-06 21:09:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2018-04-06 21:09:31,708 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 23 [2018-04-06 21:09:31,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 21:09:31,708 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2018-04-06 21:09:31,708 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 21:09:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2018-04-06 21:09:31,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-06 21:09:31,709 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:31,709 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] [2018-04-06 21:09:31,709 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:31,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1440853116, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:31,719 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:31,743 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:31,752 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:31,753 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:31,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,764 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,764 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-06 21:09:31,780 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 21:09:31,781 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 15 [2018-04-06 21:09:31,781 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,789 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 21:09:31,790 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 21:09:31,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-06 21:09:31,791 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,796 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:31,796 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-04-06 21:09:31,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 20 [2018-04-06 21:09:31,811 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:31,817 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:31,817 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:24, output treesize:23 [2018-04-06 21:09:31,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:31,827 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:32,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:32,187 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 21:09:32,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 5] imperfect sequences [] total 8 [2018-04-06 21:09:32,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 21:09:32,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 21:09:32,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2018-04-06 21:09:32,188 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 9 states. [2018-04-06 21:09:32,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 21:09:32,317 INFO L93 Difference]: Finished difference Result 88 states and 89 transitions. [2018-04-06 21:09:32,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 21:09:32,317 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-04-06 21:09:32,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 21:09:32,319 INFO L225 Difference]: With dead ends: 88 [2018-04-06 21:09:32,319 INFO L226 Difference]: Without dead ends: 86 [2018-04-06 21:09:32,319 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=82, Unknown=1, NotChecked=0, Total=132 [2018-04-06 21:09:32,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-06 21:09:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-04-06 21:09:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-06 21:09:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 87 transitions. [2018-04-06 21:09:32,328 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 87 transitions. Word has length 23 [2018-04-06 21:09:32,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 21:09:32,328 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 87 transitions. [2018-04-06 21:09:32,328 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 21:09:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 87 transitions. [2018-04-06 21:09:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-06 21:09:32,329 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:32,329 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 21:09:32,330 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:32,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1716773661, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:32,336 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:32,356 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:32,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:32,365 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,366 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,366 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 21:09:32,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-06 21:09:32,382 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:32,388 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-06 21:09:32,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:32,398 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:32,446 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 21:09:32,446 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 21:09:32,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 21:09:32,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 21:09:32,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 21:09:32,447 INFO L87 Difference]: Start difference. First operand 86 states and 87 transitions. Second operand 4 states. [2018-04-06 21:09:32,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 21:09:32,501 INFO L93 Difference]: Finished difference Result 86 states and 87 transitions. [2018-04-06 21:09:32,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 21:09:32,501 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-04-06 21:09:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 21:09:32,502 INFO L225 Difference]: With dead ends: 86 [2018-04-06 21:09:32,502 INFO L226 Difference]: Without dead ends: 82 [2018-04-06 21:09:32,502 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 21:09:32,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-06 21:09:32,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-06 21:09:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-06 21:09:32,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2018-04-06 21:09:32,507 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 24 [2018-04-06 21:09:32,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 21:09:32,508 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2018-04-06 21:09:32,508 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 21:09:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2018-04-06 21:09:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-06 21:09:32,508 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:32,508 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] [2018-04-06 21:09:32,509 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:32,509 INFO L82 PathProgramCache]: Analyzing trace with hash -1716773660, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:32,514 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:32,531 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:32,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:32,538 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,541 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,541 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 21:09:32,553 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-06 21:09:32,553 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,557 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 21:09:32,558 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-06 21:09:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:32,562 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:32,895 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 21:09:32,895 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [] total 6 [2018-04-06 21:09:32,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-06 21:09:32,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-06 21:09:32,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=27, Unknown=1, NotChecked=0, Total=42 [2018-04-06 21:09:32,896 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 7 states. [2018-04-06 21:09:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 21:09:32,954 INFO L93 Difference]: Finished difference Result 82 states and 83 transitions. [2018-04-06 21:09:32,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 21:09:32,954 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-04-06 21:09:32,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 21:09:32,955 INFO L225 Difference]: With dead ends: 82 [2018-04-06 21:09:32,955 INFO L226 Difference]: Without dead ends: 78 [2018-04-06 21:09:32,956 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=34, Unknown=1, NotChecked=0, Total=56 [2018-04-06 21:09:32,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-06 21:09:32,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-04-06 21:09:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-06 21:09:32,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 79 transitions. [2018-04-06 21:09:32,960 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 79 transitions. Word has length 24 [2018-04-06 21:09:32,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 21:09:32,961 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 79 transitions. [2018-04-06 21:09:32,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-06 21:09:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 79 transitions. [2018-04-06 21:09:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-06 21:09:32,961 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:32,961 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 21:09:32,961 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:32,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1680375930, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:32,969 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:32,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:32,993 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:32,997 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:32,997 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,999 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 21:09:32,999 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 21:09:33,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:33,010 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:33,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:33,040 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 21:09:33,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 21:09:33,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 21:09:33,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 21:09:33,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 21:09:33,041 INFO L87 Difference]: Start difference. First operand 78 states and 79 transitions. Second operand 4 states. [2018-04-06 21:09:33,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 21:09:33,077 INFO L93 Difference]: Finished difference Result 78 states and 79 transitions. [2018-04-06 21:09:33,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 21:09:33,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-04-06 21:09:33,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 21:09:33,078 INFO L225 Difference]: With dead ends: 78 [2018-04-06 21:09:33,078 INFO L226 Difference]: Without dead ends: 74 [2018-04-06 21:09:33,079 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 21:09:33,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-06 21:09:33,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-04-06 21:09:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-06 21:09:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2018-04-06 21:09:33,084 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 25 [2018-04-06 21:09:33,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 21:09:33,085 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2018-04-06 21:09:33,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 21:09:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2018-04-06 21:09:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-06 21:09:33,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:33,086 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 21:09:33,086 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:33,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1680375929, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:33,092 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:33,108 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:33,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 21:09:33,112 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 21:09:33,115 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 21:09:33,115 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 21:09:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:33,124 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:33,215 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 21:09:33,215 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-06 21:09:33,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 21:09:33,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 21:09:33,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-06 21:09:33,216 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 6 states. [2018-04-06 21:09:33,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 21:09:33,282 INFO L93 Difference]: Finished difference Result 74 states and 75 transitions. [2018-04-06 21:09:33,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 21:09:33,283 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-04-06 21:09:33,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 21:09:33,284 INFO L225 Difference]: With dead ends: 74 [2018-04-06 21:09:33,284 INFO L226 Difference]: Without dead ends: 70 [2018-04-06 21:09:33,284 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-06 21:09:33,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-06 21:09:33,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-04-06 21:09:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-06 21:09:33,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 71 transitions. [2018-04-06 21:09:33,289 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 71 transitions. Word has length 25 [2018-04-06 21:09:33,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 21:09:33,290 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 71 transitions. [2018-04-06 21:09:33,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 21:09:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 71 transitions. [2018-04-06 21:09:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-06 21:09:33,292 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 21:09:33,292 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 21:09:33,292 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-06 21:09:33,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1291947128, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 21:09:33,302 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 21:09:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 21:09:33,341 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 21:09:33,489 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| Int)) (let ((.cse1 (store |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 1))) (let ((.cse0 (store .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 1))) (let ((.cse2 (store .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 1))) (and (= 0 (select .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= 0 (select .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (= 0 (select .cse2 |c___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= |c_#valid| (store (store (store (store .cse2 |c___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| 1) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 0)) (= (select |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0)))))) is different from true [2018-04-06 21:09:33,499 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| Int) (|__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| Int)) (let ((.cse1 (store |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 1))) (let ((.cse0 (store .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 1))) (let ((.cse2 (store .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 1))) (and (= 0 (select .cse0 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base|)) (= 0 (select .cse1 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base|)) (= 0 (select .cse2 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base|)) (= |c_#valid| (store (store (store (store (store .cse2 |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| 1) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc4.base| 0) |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc5.base| 0)) (= (select |c_old(#valid)| |__U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base|) 0)))))) is different from true [2018-04-06 21:09:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 21:09:33,532 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 21:09:33,641 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10| Int) (|v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12| Int) (v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23 Int) (v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21 Int)) (let ((.cse2 (store |c_#valid| |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10| 1))) (let ((.cse0 (store .cse2 |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12| 1))) (let ((.cse1 (store .cse0 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21 1))) (or (not (= (select |c_#valid| |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10|) 0)) (not (= 0 (select .cse0 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21))) (= |c_old(#valid)| (store (store (store (store (store .cse1 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23 1) |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc2.base_10| 0) |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12| 0) v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~z_ref~0.base_21 0) v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23 0)) (not (= 0 (select .cse2 |v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_#t~malloc3.base_12|))) (not (= 0 (select .cse1 v___U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun_~c~0.base_23)))))))) is different from false [2018-04-06 21:09:33,665 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 34 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-06 21:09:33,669 INFO L168 Benchmark]: Toolchain (without parser) took 4978.27 ms. Allocated memory was 306.7 MB in the beginning and 506.5 MB in the end (delta: 199.8 MB). Free memory was 242.2 MB in the beginning and 352.6 MB in the end (delta: -110.4 MB). Peak memory consumption was 89.4 MB. Max. memory is 5.3 GB. [2018-04-06 21:09:33,670 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 306.7 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 21:09:33,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.54 ms. Allocated memory is still 306.7 MB. Free memory was 242.2 MB in the beginning and 218.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-06 21:09:33,671 INFO L168 Benchmark]: Boogie Preprocessor took 50.45 ms. Allocated memory is still 306.7 MB. Free memory was 218.3 MB in the beginning and 216.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-06 21:09:33,672 INFO L168 Benchmark]: RCFGBuilder took 545.85 ms. Allocated memory was 306.7 MB in the beginning and 467.7 MB in the end (delta: 161.0 MB). Free memory was 216.3 MB in the beginning and 397.8 MB in the end (delta: -181.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-04-06 21:09:33,672 INFO L168 Benchmark]: TraceAbstraction took 4056.51 ms. Allocated memory was 467.7 MB in the beginning and 506.5 MB in the end (delta: 38.8 MB). Free memory was 397.8 MB in the beginning and 352.6 MB in the end (delta: 45.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 5.3 GB. [2018-04-06 21:09:33,676 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 306.7 MB. Free memory is still 268.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 320.54 ms. Allocated memory is still 306.7 MB. Free memory was 242.2 MB in the beginning and 218.3 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 50.45 ms. Allocated memory is still 306.7 MB. Free memory was 218.3 MB in the beginning and 216.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 545.85 ms. Allocated memory was 306.7 MB in the beginning and 467.7 MB in the end (delta: 161.0 MB). Free memory was 216.3 MB in the beginning and 397.8 MB in the end (delta: -181.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 4056.51 ms. Allocated memory was 467.7 MB in the beginning and 506.5 MB in the end (delta: 38.8 MB). Free memory was 397.8 MB in the beginning and 352.6 MB in the end (delta: 45.2 MB). Peak memory consumption was 84.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 34 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: |v_old(#valid)_BEFORE_CALL_2| term size 34: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-06_21-09-33-686.csv Received shutdown request...