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/memsafety/test-0158_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-06 20:14:16,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 20:14:16,743 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 20:14:16,758 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-06 20:14:16,787 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 20:14:16,811 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 20:14:16,811 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 20:14:16,812 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 20:14:16,812 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 20:14:16,812 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 20:14:16,813 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 20:14:16,813 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 20:14:16,813 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 20:14:16,813 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 20:14:16,813 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 20:14:16,814 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 20:14:16,814 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 20:14:16,814 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 20:14:16,814 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 20:14:16,815 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 20:14:16,815 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 20:14:16,815 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 20:14:16,815 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 20:14:16,815 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 20:14:16,816 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 20:14:16,816 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 20:14:16,816 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 20:14:16,816 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 20:14:16,816 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 20:14:16,817 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 20:14:16,817 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 20:14:16,817 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 20:14:16,817 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 20:14:16,817 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 20:14:16,818 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 20:14:16,818 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 20:14:16,818 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 20:14:16,818 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 20:14:16,818 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 20:14:16,819 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 20:14:16,820 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 20:14:16,820 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 20:14:16,820 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 20:14:16,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 20:14:16,867 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 20:14:16,871 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 20:14:16,873 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 20:14:16,873 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 20:14:16,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,196 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb6e3034a5 [2018-04-06 20:14:17,354 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 20:14:17,354 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 20:14:17,354 INFO L168 CDTParser]: Scanning test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,365 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 20:14:17,365 INFO L215 ultiparseSymbolTable]: [2018-04-06 20:14:17,365 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 20:14:17,366 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,366 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 20:14:17,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,366 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int32_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,366 INFO L230 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20:14:17,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__mode_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int8_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__key_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,368 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__timer_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,369 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____ssize_t in 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__U_MULTI_ftest______true_valid_memsafety_true_termination_i____pthread_list_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__uid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,371 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__daddr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__clock_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint16_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____off_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_long in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_quad_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,372 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int16_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____gid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____quad_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____ino64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____ino_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____sigset_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____pid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_int32_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____loff_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,373 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fsid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__int64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____WAIT_STATUS in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__fd_mask in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ulong in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____clock_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____caddr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____dev_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__clockid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,374 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__suseconds_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_rwlock_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__loff_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__nlink_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____useconds_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__id_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__uint in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____int64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_condattr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,375 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__dev_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uint8_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____uid_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____key_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__u_quad_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____blksize_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____qaddr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____rlim64_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,376 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____daddr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____blkcnt_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____swblk_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__sigset_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_mutex_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__ushort in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__time_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____u_int in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,377 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_key_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,378 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i____fsblkcnt_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,378 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__register_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,378 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:17,421 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGb6e3034a5 [2018-04-06 20:14:17,426 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 20:14:17,428 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 20:14:17,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 20:14:17,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 20:14:17,436 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 20:14:17,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a367ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17, skipping insertion in model container [2018-04-06 20:14:17,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,454 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 20:14:17,484 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 20:14:17,671 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 20:14:17,714 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 20:14:17,725 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 109 non ball SCCs. Number of states in SCCs 109. [2018-04-06 20:14:17,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17 WrapperNode [2018-04-06 20:14:17,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 20:14:17,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 20:14:17,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 20:14:17,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 20:14:17,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,807 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (1/1) ... [2018-04-06 20:14:17,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 20:14:17,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 20:14:17,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 20:14:17,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 20:14:17,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (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 20:14:17,950 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 20:14:17,950 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 20:14:17,950 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 20:14:17,950 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-06 20:14:17,950 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 20:14:17,951 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 20:14:17,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 20:14:17,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 20:14:17,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 20:14:17,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 20:14:17,952 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 20:14:17,952 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 20:14:17,952 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 20:14:17,953 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 20:14:17,953 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 20:14:17,953 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 20:14:17,953 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 20:14:17,953 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 20:14:17,953 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 20:14:17,954 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 20:14:17,954 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 20:14:17,954 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 20:14:17,954 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 20:14:17,954 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 20:14:17,954 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 20:14:17,955 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 20:14:17,955 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 20:14:17,955 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 20:14:17,955 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 20:14:17,955 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 20:14:17,955 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 20:14:17,956 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 20:14:17,957 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 20:14:17,957 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 20:14:17,957 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 20:14:17,957 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 20:14:17,957 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 20:14:17,957 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 20:14:17,957 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 20:14:17,958 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 20:14:17,959 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-06 20:14:17,960 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 20:14:17,960 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 20:14:17,960 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 20:14:17,960 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 20:14:17,960 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 20:14:17,960 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 20:14:17,960 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 20:14:17,961 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 20:14:17,961 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 20:14:17,961 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 20:14:17,961 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 20:14:17,961 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 20:14:17,961 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 20:14:17,961 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 20:14:17,962 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 20:14:17,963 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 20:14:17,963 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 20:14:17,963 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 20:14:17,963 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 20:14:17,963 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 20:14:17,963 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 20:14:17,963 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 20:14:17,964 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 20:14:17,965 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 20:14:17,965 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-06 20:14:17,965 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-06 20:14:17,965 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 20:14:17,965 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 20:14:17,965 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 20:14:18,235 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 20:14:18,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:14:18 BoogieIcfgContainer [2018-04-06 20:14:18,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 20:14:18,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 20:14:18,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 20:14:18,239 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 20:14:18,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 08:14:17" (1/3) ... [2018-04-06 20:14:18,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66959a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:14:18, skipping insertion in model container [2018-04-06 20:14:18,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 08:14:17" (2/3) ... [2018-04-06 20:14:18,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66959a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 08:14:18, skipping insertion in model container [2018-04-06 20:14:18,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 08:14:18" (3/3) ... [2018-04-06 20:14:18,242 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_true-valid-memsafety_true-termination.i [2018-04-06 20:14:18,249 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 20:14:18,256 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-06 20:14:18,293 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 20:14:18,294 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 20:14:18,294 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 20:14:18,294 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 20:14:18,294 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 20:14:18,294 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 20:14:18,294 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 20:14:18,294 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 20:14:18,294 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 20:14:18,295 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 20:14:18,309 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-04-06 20:14:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-06 20:14:18,314 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:14:18,315 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:14:18,315 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-06 20:14:18,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1706809918, 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 20:14:18,331 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:14:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:14:18,367 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:14:18,404 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 20:14:18,405 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,413 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,414 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 20:14:18,434 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 20:14:18,434 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,439 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 20:14:18,440 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-06 20:14:18,445 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 20:14:18,446 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:14:18,458 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 20:14:18,481 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:14:18,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-06 20:14:18,483 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-06 20:14:18,492 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-06 20:14:18,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-06 20:14:18,494 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 3 states. [2018-04-06 20:14:18,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:14:18,547 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-04-06 20:14:18,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-06 20:14:18,548 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-04-06 20:14:18,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:14:18,558 INFO L225 Difference]: With dead ends: 31 [2018-04-06 20:14:18,558 INFO L226 Difference]: Without dead ends: 25 [2018-04-06 20:14:18,561 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-06 20:14:18,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-06 20:14:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-06 20:14:18,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-06 20:14:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-04-06 20:14:18,589 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 9 [2018-04-06 20:14:18,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:14:18,590 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-04-06 20:14:18,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-06 20:14:18,590 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-04-06 20:14:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-06 20:14:18,590 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:14:18,591 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:14:18,591 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-06 20:14:18,591 INFO L82 PathProgramCache]: Analyzing trace with hash 1706809919, 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 20:14:18,597 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:14:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:14:18,611 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:14:18,620 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 20:14:18,621 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,627 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 20:14:18,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,634 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,634 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-06 20:14:18,656 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:18,657 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:18,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-06 20:14:18,660 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:18,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:18,741 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 20:14:18,742 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:18,776 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 20:14:18,777 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-06 20:14:18,788 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 20:14:18,788 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:14:19,503 WARN L148 SmtUtils]: Spent 690ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-06 20:14:19,511 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 20:14:19,532 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:14:19,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-06 20:14:19,534 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 20:14:19,534 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 20:14:19,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-06 20:14:19,535 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 6 states. [2018-04-06 20:14:19,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:14:19,594 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-04-06 20:14:19,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 20:14:19,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-06 20:14:19,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:14:19,595 INFO L225 Difference]: With dead ends: 25 [2018-04-06 20:14:19,595 INFO L226 Difference]: Without dead ends: 22 [2018-04-06 20:14:19,596 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-06 20:14:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-04-06 20:14:19,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-04-06 20:14:19,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-04-06 20:14:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2018-04-06 20:14:19,600 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 9 [2018-04-06 20:14:19,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:14:19,601 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2018-04-06 20:14:19,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 20:14:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2018-04-06 20:14:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-06 20:14:19,601 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:14:19,601 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:14:19,602 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-06 20:14:19,602 INFO L82 PathProgramCache]: Analyzing trace with hash -543571954, 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 20:14:19,612 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:14:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:14:19,629 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:14:19,649 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-06 20:14:19,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-06 20:14:19,652 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,653 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,654 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,654 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-06 20:14:19,665 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-04-06 20:14:19,668 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:19,669 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 16 treesize of output 23 [2018-04-06 20:14:19,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,674 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,679 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,680 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-06 20:14:19,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-04-06 20:14:19,704 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:19,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-06 20:14:19,711 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,728 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,741 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:3 [2018-04-06 20:14:19,755 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 20:14:19,755 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:14:19,764 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 20:14:19,788 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:14:19,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2018-04-06 20:14:19,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 20:14:19,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 20:14:19,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-06 20:14:19,789 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 6 states. [2018-04-06 20:14:19,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:14:19,851 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2018-04-06 20:14:19,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 20:14:19,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2018-04-06 20:14:19,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:14:19,853 INFO L225 Difference]: With dead ends: 22 [2018-04-06 20:14:19,853 INFO L226 Difference]: Without dead ends: 21 [2018-04-06 20:14:19,853 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-06 20:14:19,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-04-06 20:14:19,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-04-06 20:14:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-04-06 20:14:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-04-06 20:14:19,858 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 12 [2018-04-06 20:14:19,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:14:19,858 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-04-06 20:14:19,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 20:14:19,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-04-06 20:14:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-06 20:14:19,859 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:14:19,859 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:14:19,859 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-06 20:14:19,860 INFO L82 PathProgramCache]: Analyzing trace with hash 329138657, 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 20:14:19,867 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:14:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:14:19,885 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:14:19,889 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 20:14:19,890 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,892 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 20:14:19,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-06 20:14:19,904 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 8 treesize of output 7 [2018-04-06 20:14:19,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,906 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,911 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,912 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-06 20:14:19,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-04-06 20:14:19,933 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:19,967 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 18 treesize of output 25 [2018-04-06 20:14:19,968 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,976 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,981 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:19,982 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-06 20:14:19,999 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-06 20:14:20,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:20,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2018-04-06 20:14:20,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,013 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,013 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:5 [2018-04-06 20:14:20,034 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 20:14:20,034 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:14:20,047 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 20:14:20,068 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:14:20,068 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2018-04-06 20:14:20,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 20:14:20,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 20:14:20,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-06 20:14:20,069 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 6 states. [2018-04-06 20:14:20,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:14:20,124 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-04-06 20:14:20,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-06 20:14:20,125 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2018-04-06 20:14:20,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:14:20,125 INFO L225 Difference]: With dead ends: 21 [2018-04-06 20:14:20,125 INFO L226 Difference]: Without dead ends: 20 [2018-04-06 20:14:20,126 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-06 20:14:20,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-04-06 20:14:20,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-04-06 20:14:20,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-04-06 20:14:20,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-04-06 20:14:20,128 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 13 [2018-04-06 20:14:20,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:14:20,128 INFO L459 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-04-06 20:14:20,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 20:14:20,128 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-04-06 20:14:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-06 20:14:20,129 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 20:14:20,129 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 20:14:20,129 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-06 20:14:20,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1388956890, 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 20:14:20,138 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 20:14:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 20:14:20,156 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 20:14:20,209 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-06 20:14:20,214 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-06 20:14:20,214 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,216 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,222 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,222 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:31 [2018-04-06 20:14:20,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-04-06 20:14:20,244 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:20,245 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:20,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 49 [2018-04-06 20:14:20,247 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,253 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,259 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,260 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:44, output treesize:40 [2018-04-06 20:14:20,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 34 [2018-04-06 20:14:20,279 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:20,280 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 20:14:20,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2018-04-06 20:14:20,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,287 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,300 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 20:14:20,301 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:23 [2018-04-06 20:14:20,354 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|main_#t~mem1.base| Int) (|main_~#data~0.base| Int)) (let ((.cse0 (store |c_old(#valid)| |main_~#data~0.base| 1))) (and (= |c_#valid| (store (store .cse0 |main_#t~mem1.base| 0) |main_~#data~0.base| 0)) (= 0 (select .cse0 |main_#t~mem1.base|)) (= (select |c_old(#valid)| |main_~#data~0.base|) 0)))) is different from true [2018-04-06 20:14:20,358 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 20:14:20,358 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 20:14:20,470 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc0.base_7| Int)) (or (= |c_old(#valid)| (store (store |c_#valid| |v_main_#t~malloc0.base_7| 0) |c_main_~#data~0.base| 0)) (not (= 0 (select |c_#valid| |v_main_#t~malloc0.base_7|))))) is different from false [2018-04-06 20:14:20,476 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_~#data~0.base_16| Int) (|v_main_#t~malloc0.base_7| Int)) (let ((.cse0 (store |c_#valid| |v_main_~#data~0.base_16| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc0.base_7|))) (not (= (select |c_#valid| |v_main_~#data~0.base_16|) 0)) (= |c_old(#valid)| (store (store .cse0 |v_main_#t~malloc0.base_7| 0) |v_main_~#data~0.base_16| 0))))) is different from false [2018-04-06 20:14:20,483 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 20:14:20,504 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 20:14:20,505 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 15 [2018-04-06 20:14:20,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-06 20:14:20,505 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-06 20:14:20,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=124, Unknown=7, NotChecked=72, Total=240 [2018-04-06 20:14:20,505 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 16 states. [2018-04-06 20:14:20,521 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_~#data~0.base_16| Int) (|v_main_#t~malloc0.base_7| Int)) (let ((.cse0 (store |c_#valid| |v_main_~#data~0.base_16| 1))) (or (not (= 0 (select .cse0 |v_main_#t~malloc0.base_7|))) (not (= (select |c_#valid| |v_main_~#data~0.base_16|) 0)) (= |c_old(#valid)| (store (store .cse0 |v_main_#t~malloc0.base_7| 0) |v_main_~#data~0.base_16| 0)))))) is different from false [2018-04-06 20:14:20,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 20:14:20,744 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-04-06 20:14:20,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-06 20:14:20,745 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 19 [2018-04-06 20:14:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 20:14:20,745 INFO L225 Difference]: With dead ends: 20 [2018-04-06 20:14:20,745 INFO L226 Difference]: Without dead ends: 0 [2018-04-06 20:14:20,746 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=90, Invalid=297, Unknown=9, NotChecked=156, Total=552 [2018-04-06 20:14:20,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-06 20:14:20,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-06 20:14:20,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-06 20:14:20,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-06 20:14:20,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-04-06 20:14:20,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 20:14:20,747 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-06 20:14:20,747 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-06 20:14:20,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-06 20:14:20,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-06 20:14:20,752 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-04-06 20:14:20,811 INFO L416 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2018-04-06 20:14:20,811 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-04-06 20:14:20,811 INFO L412 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 20:14:20,812 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-04-06 20:14:20,812 INFO L419 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-04-06 20:14:20,812 INFO L419 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-04-06 20:14:20,812 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-04-06 20:14:20,812 INFO L416 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-04-06 20:14:20,812 INFO L416 ceAbstractionStarter]: For program point mainErr1RequiresViolation(line 629) no Hoare annotation was computed. [2018-04-06 20:14:20,812 INFO L416 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-04-06 20:14:20,812 INFO L416 ceAbstractionStarter]: For program point mainErr3RequiresViolation(line 630) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point mainErr8EnsuresViolationMEMORY_LEAK(lines 619 633) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point mainErr7AssertViolationMEMORY_FREE(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point mainFINAL(lines 619 633) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point mainErr4RequiresViolation(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point L631''(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point L621''(lines 621 628) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point L621(lines 621 628) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-04-06 20:14:20,813 INFO L416 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,814 INFO L416 ceAbstractionStarter]: For program point mainErr0RequiresViolation(line 629) no Hoare annotation was computed. [2018-04-06 20:14:20,814 INFO L416 ceAbstractionStarter]: For program point mainEXIT(lines 619 633) no Hoare annotation was computed. [2018-04-06 20:14:20,814 INFO L412 ceAbstractionStarter]: At program point mainENTRY(lines 619 633) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-04-06 20:14:20,814 INFO L416 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-04-06 20:14:20,814 INFO L416 ceAbstractionStarter]: For program point mainErr2RequiresViolation(line 630) no Hoare annotation was computed. [2018-04-06 20:14:20,814 INFO L416 ceAbstractionStarter]: For program point mainErr5RequiresViolation(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,814 INFO L416 ceAbstractionStarter]: For program point L621'(lines 621 628) no Hoare annotation was computed. [2018-04-06 20:14:20,814 INFO L416 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,815 INFO L416 ceAbstractionStarter]: For program point L631'''(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,815 INFO L416 ceAbstractionStarter]: For program point L629'(line 629) no Hoare annotation was computed. [2018-04-06 20:14:20,815 INFO L416 ceAbstractionStarter]: For program point mainErr6AssertViolationMEMORY_FREE(line 631) no Hoare annotation was computed. [2018-04-06 20:14:20,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 08:14:20 BoogieIcfgContainer [2018-04-06 20:14:20,818 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-06 20:14:20,819 INFO L168 Benchmark]: Toolchain (without parser) took 3392.50 ms. Allocated memory was 303.0 MB in the beginning and 485.5 MB in the end (delta: 182.5 MB). Free memory was 239.6 MB in the beginning and 348.0 MB in the end (delta: -108.4 MB). Peak memory consumption was 74.0 MB. Max. memory is 5.3 GB. [2018-04-06 20:14:20,821 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 303.0 MB. Free memory is still 265.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 20:14:20,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.38 ms. Allocated memory is still 303.0 MB. Free memory was 239.6 MB in the beginning and 216.4 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 5.3 GB. [2018-04-06 20:14:20,821 INFO L168 Benchmark]: Boogie Preprocessor took 45.15 ms. Allocated memory is still 303.0 MB. Free memory was 216.4 MB in the beginning and 214.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-06 20:14:20,822 INFO L168 Benchmark]: RCFGBuilder took 419.17 ms. Allocated memory was 303.0 MB in the beginning and 464.5 MB in the end (delta: 161.5 MB). Free memory was 214.4 MB in the beginning and 408.7 MB in the end (delta: -194.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. [2018-04-06 20:14:20,823 INFO L168 Benchmark]: TraceAbstraction took 2582.13 ms. Allocated memory was 464.5 MB in the beginning and 485.5 MB in the end (delta: 21.0 MB). Free memory was 408.7 MB in the beginning and 348.0 MB in the end (delta: 60.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 5.3 GB. [2018-04-06 20:14:20,825 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 303.0 MB. Free memory is still 265.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 341.38 ms. Allocated memory is still 303.0 MB. Free memory was 239.6 MB in the beginning and 216.4 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 45.15 ms. Allocated memory is still 303.0 MB. Free memory was 216.4 MB in the beginning and 214.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 419.17 ms. Allocated memory was 303.0 MB in the beginning and 464.5 MB in the end (delta: 161.5 MB). Free memory was 214.4 MB in the beginning and 408.7 MB in the end (delta: -194.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2582.13 ms. Allocated memory was 464.5 MB in the beginning and 485.5 MB in the end (delta: 21.0 MB). Free memory was 408.7 MB in the beginning and 348.0 MB in the end (delta: 60.6 MB). Peak memory consumption was 81.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 631]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 629]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 631]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 630]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 631]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 629]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 9 error locations. SAFE Result, 2.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 73 SDtfs, 86 SDslu, 127 SDs, 0 SdLazy, 127 SolverSat, 19 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 87 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 8 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 61 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 9 QuantifiedInterpolants, 10778 SizeOfPredicates, 17 NumberOfNonLiveVariables, 290 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-06_20-14-20-836.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-06_20-14-20-836.csv Received shutdown request...