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_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 16:55:20,655 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 16:55:20,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 16:55:20,729 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 16:55:20,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 16:55:20,731 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 16:55:20,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 16:55:20,750 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 16:55:20,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 16:55:20,767 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 16:55:20,769 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 16:55:20,769 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 16:55:20,770 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 16:55:20,776 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 16:55:20,777 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 16:55:20,800 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 16:55:20,815 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 16:55:20,817 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 16:55:20,831 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 16:55:20,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 16:55:20,841 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-05 16:55:20,864 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 [2018-04-05 16:55:20,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 16:55:20,925 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 16:55:20,925 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 16:55:20,925 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 16:55:20,926 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 16:55:20,926 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 16:55:20,930 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 16:55:20,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 16:55:20,931 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 16:55:20,931 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 16:55:20,932 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 16:55:20,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 16:55:20,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 16:55:20,932 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 16:55:20,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 16:55:20,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 16:55:20,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 16:55:20,933 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 16:55:20,933 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 16:55:20,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 16:55:20,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 16:55:20,934 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 16:55:20,934 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 16:55:20,934 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 16:55:20,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 16:55:20,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 16:55:20,936 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 16:55:20,936 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 16:55:20,936 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 16:55:20,936 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 16:55:20,937 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 16:55:20,937 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:55:20,937 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 16:55:20,938 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 16:55:20,938 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 16:55:20,938 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 16:55:20,939 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 16:55:21,001 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 16:55:21,037 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 16:55:21,046 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 16:55:21,048 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 16:55:21,063 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 16:55:21,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_false-valid-free.i [2018-04-05 16:55:21,762 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1c3e524e9 [2018-04-05 16:55:22,482 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 16:55:22,482 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 16:55:22,482 INFO L168 CDTParser]: Scanning test-0158_false-valid-free.i [2018-04-05 16:55:22,507 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 16:55:22,507 INFO L215 ultiparseSymbolTable]: [2018-04-05 16:55:22,507 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 16:55:22,508 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_false-valid-free.i [2018-04-05 16:55:22,508 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 16:55:22,508 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_long in test-0158_false-valid-free.i [2018-04-05 16:55:22,508 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__ulong in test-0158_false-valid-free.i [2018-04-05 16:55:22,508 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_rwlockattr_t in 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__U_MULTI_ftest______false_valid_free_i__ssize_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,528 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__gid_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__int8_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____fsblkcnt64_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_short in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int64_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_attr_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__size_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int64_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____intptr_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,529 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____mode_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_once_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__wchar_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutex_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____socklen_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_int in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__off_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____suseconds_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__time_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int32_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,530 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__id_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____rlim_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsblkcnt_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__dev_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__uint in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__nlink_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_char in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____sig_atomic_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,531 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____pid_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uid_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutexattr_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____off_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____gid_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____locale_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fd_mask in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsfilcnt_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uint64_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,532 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____timer_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__int32_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____id_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__key_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____ssize_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int8_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____fd_mask in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__timer_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__clockid_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,533 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int32_t in test-0158_false-valid-free.i [2018-04-05 16:55:22,614 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1c3e524e9 [2018-04-05 16:55:22,659 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 16:55:22,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 16:55:22,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 16:55:22,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 16:55:22,685 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 16:55:22,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:55:22" (1/1) ... [2018-04-05 16:55:22,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a15045a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:22, skipping insertion in model container [2018-04-05 16:55:22,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 04:55:22" (1/1) ... [2018-04-05 16:55:22,731 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 16:55:22,812 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 16:55:23,226 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 16:55:23,404 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 16:55:23,426 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 159 non ball SCCs. Number of states in SCCs 159. [2018-04-05 16:55:23,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23 WrapperNode [2018-04-05 16:55:23,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 16:55:23,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 16:55:23,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 16:55:23,583 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 16:55:23,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (1/1) ... [2018-04-05 16:55:23,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (1/1) ... [2018-04-05 16:55:23,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (1/1) ... [2018-04-05 16:55:23,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (1/1) ... [2018-04-05 16:55:23,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (1/1) ... [2018-04-05 16:55:23,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (1/1) ... [2018-04-05 16:55:23,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (1/1) ... [2018-04-05 16:55:23,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 16:55:23,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 16:55:23,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 16:55:23,717 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 16:55:23,727 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (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 [2018-04-05 16:55:24,200 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 16:55:24,200 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 16:55:24,200 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 16:55:24,201 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-05 16:55:24,213 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 16:55:24,213 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 16:55:24,213 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 16:55:24,213 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 16:55:24,213 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 16:55:24,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 16:55:24,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 16:55:24,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 16:55:24,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 16:55:24,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 16:55:24,214 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 16:55:24,215 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 16:55:24,215 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 16:55:24,215 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 16:55:24,215 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 16:55:24,215 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 16:55:24,215 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 16:55:24,216 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 16:55:24,216 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 16:55:24,216 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 16:55:24,216 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 16:55:24,216 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 16:55:24,216 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 16:55:24,217 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 16:55:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 16:55:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 16:55:24,226 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 16:55:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 16:55:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 16:55:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 16:55:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 16:55:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 16:55:24,227 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 16:55:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 16:55:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 16:55:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 16:55:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 16:55:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 16:55:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 16:55:24,228 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 16:55:24,229 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 16:55:24,239 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 16:55:24,239 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 16:55:24,239 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 16:55:24,240 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 16:55:24,240 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 16:55:24,240 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 16:55:24,240 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 16:55:24,240 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 16:55:24,240 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 16:55:24,240 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 16:55:24,241 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 16:55:24,241 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 16:55:24,241 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 16:55:24,247 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 16:55:24,247 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 16:55:24,247 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 16:55:24,247 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-05 16:55:24,247 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 16:55:24,247 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 16:55:24,248 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 16:55:24,249 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 16:55:24,249 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 16:55:24,249 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 16:55:24,249 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 16:55:24,250 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 16:55:24,251 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-05 16:55:24,252 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-05 16:55:24,253 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-05 16:55:24,260 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-05 16:55:24,260 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-05 16:55:24,260 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-05 16:55:24,260 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-05 16:55:24,260 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-05 16:55:24,260 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-05 16:55:24,261 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-05 16:55:24,262 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-05 16:55:24,263 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-05 16:55:24,263 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-05 16:55:24,268 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-05 16:55:24,268 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-05 16:55:24,268 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-05 16:55:24,268 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-05 16:55:24,268 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-05 16:55:24,269 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-05 16:55:24,269 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-05 16:55:24,269 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-05 16:55:24,269 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-05 16:55:24,269 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-05 16:55:24,269 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-05 16:55:24,269 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-05 16:55:24,270 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 16:55:24,271 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 16:55:24,272 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 16:55:24,287 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 16:55:25,214 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 16:55:25,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:55:25 BoogieIcfgContainer [2018-04-05 16:55:25,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 16:55:25,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 16:55:25,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 16:55:25,233 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 16:55:25,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 04:55:22" (1/3) ... [2018-04-05 16:55:25,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682d276e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:55:25, skipping insertion in model container [2018-04-05 16:55:25,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 04:55:23" (2/3) ... [2018-04-05 16:55:25,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@682d276e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 04:55:25, skipping insertion in model container [2018-04-05 16:55:25,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 04:55:25" (3/3) ... [2018-04-05 16:55:25,241 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_false-valid-free.i [2018-04-05 16:55:25,256 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 16:55:25,288 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-05 16:55:25,396 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 16:55:25,397 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 16:55:25,397 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 16:55:25,397 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 16:55:25,397 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 16:55:25,397 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 16:55:25,397 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 16:55:25,397 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 16:55:25,398 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 16:55:25,398 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 16:55:25,427 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-04-05 16:55:25,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-05 16:55:25,447 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:55:25,448 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:55:25,449 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-05 16:55:25,462 INFO L82 PathProgramCache]: Analyzing trace with hash -302868565, 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 [2018-04-05 16:55:25,498 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:55:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:55:25,592 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:55:25,695 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 [2018-04-05 16:55:25,698 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:25,718 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:25,719 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 16:55:25,811 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 [2018-04-05 16:55:25,812 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:25,864 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. [2018-04-05 16:55:25,865 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-05 16:55:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:25,890 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:55:25,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:25,980 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:55:25,981 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-05 16:55:25,983 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-05 16:55:25,998 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-05 16:55:25,999 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-05 16:55:26,001 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2018-04-05 16:55:26,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:55:26,179 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2018-04-05 16:55:26,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-05 16:55:26,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-04-05 16:55:26,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:55:26,199 INFO L225 Difference]: With dead ends: 44 [2018-04-05 16:55:26,199 INFO L226 Difference]: Without dead ends: 36 [2018-04-05 16:55:26,209 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 [2018-04-05 16:55:26,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-05 16:55:26,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-05 16:55:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-05 16:55:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 35 transitions. [2018-04-05 16:55:26,275 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 35 transitions. Word has length 9 [2018-04-05 16:55:26,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:55:26,277 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 35 transitions. [2018-04-05 16:55:26,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-05 16:55:26,277 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions. [2018-04-05 16:55:26,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-05 16:55:26,278 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:55:26,278 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:55:26,278 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-05 16:55:26,278 INFO L82 PathProgramCache]: Analyzing trace with hash -302868564, 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 [2018-04-05 16:55:26,315 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:55:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:55:26,356 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:55:26,386 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 [2018-04-05 16:55:26,386 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:26,440 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 [2018-04-05 16:55:26,448 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:26,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:26,521 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-05 16:55:26,656 WARN L148 SmtUtils]: Spent 114ms on a formula simplification that was a NOOP. DAG size: 13 [2018-04-05 16:55:26,707 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:26,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:26,715 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 [2018-04-05 16:55:26,716 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:26,839 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:26,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:26,850 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 [2018-04-05 16:55:26,850 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:26,910 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. [2018-04-05 16:55:26,911 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-05 16:55:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:26,982 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:55:27,345 WARN L148 SmtUtils]: Spent 211ms on a formula simplification that was a NOOP. DAG size: 25 [2018-04-05 16:55:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:27,491 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:55:27,491 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-05 16:55:27,493 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 16:55:27,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 16:55:27,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-05 16:55:27,503 INFO L87 Difference]: Start difference. First operand 36 states and 35 transitions. Second operand 6 states. [2018-04-05 16:55:27,819 WARN L148 SmtUtils]: Spent 116ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-05 16:55:28,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:55:28,115 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2018-04-05 16:55:28,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 16:55:28,127 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-05 16:55:28,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:55:28,128 INFO L225 Difference]: With dead ends: 36 [2018-04-05 16:55:28,128 INFO L226 Difference]: Without dead ends: 31 [2018-04-05 16:55:28,130 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 [2018-04-05 16:55:28,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-05 16:55:28,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-04-05 16:55:28,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-04-05 16:55:28,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-04-05 16:55:28,144 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 9 [2018-04-05 16:55:28,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:55:28,144 INFO L459 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-04-05 16:55:28,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 16:55:28,156 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-04-05 16:55:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-05 16:55:28,157 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:55:28,157 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:55:28,157 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-05 16:55:28,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1703991045, 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 [2018-04-05 16:55:28,192 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:55:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:55:28,253 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:55:28,292 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 [2018-04-05 16:55:28,297 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 [2018-04-05 16:55:28,297 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,305 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,314 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,315 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-05 16:55:28,353 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 [2018-04-05 16:55:28,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:28,371 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 [2018-04-05 16:55:28,372 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,437 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,438 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-05 16:55:28,675 WARN L148 SmtUtils]: Spent 129ms on a formula simplification that was a NOOP. DAG size: 12 [2018-04-05 16:55:28,700 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 [2018-04-05 16:55:28,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:28,722 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 [2018-04-05 16:55:28,723 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,738 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,746 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:28,746 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:3 [2018-04-05 16:55:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:28,799 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:55:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:28,939 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:55:28,939 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2018-04-05 16:55:28,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 16:55:28,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 16:55:28,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-05 16:55:28,941 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 6 states. [2018-04-05 16:55:29,263 WARN L148 SmtUtils]: Spent 107ms on a formula simplification that was a NOOP. DAG size: 10 [2018-04-05 16:55:29,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:55:29,440 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-04-05 16:55:29,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 16:55:29,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-05 16:55:29,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:55:29,441 INFO L225 Difference]: With dead ends: 31 [2018-04-05 16:55:29,441 INFO L226 Difference]: Without dead ends: 30 [2018-04-05 16:55:29,442 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-05 16:55:29,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-05 16:55:29,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-04-05 16:55:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-04-05 16:55:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2018-04-05 16:55:29,449 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 16 [2018-04-05 16:55:29,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:55:29,449 INFO L459 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2018-04-05 16:55:29,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 16:55:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2018-04-05 16:55:29,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-05 16:55:29,453 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:55:29,453 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:55:29,453 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-05 16:55:29,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1284114898, 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 [2018-04-05 16:55:29,478 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:55:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:55:29,536 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:55:29,543 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 [2018-04-05 16:55:29,544 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,547 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,547 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 16:55:29,575 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 [2018-04-05 16:55:29,582 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 [2018-04-05 16:55:29,582 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,589 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,615 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,615 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-05 16:55:29,663 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 [2018-04-05 16:55:29,682 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:29,686 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 [2018-04-05 16:55:29,687 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,737 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,770 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,771 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-05 16:55:29,834 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 [2018-04-05 16:55:29,843 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:29,852 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 [2018-04-05 16:55:29,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,867 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,889 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:29,889 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:5 [2018-04-05 16:55:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:29,922 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:55:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:30,032 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:55:30,033 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2018-04-05 16:55:30,033 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 16:55:30,034 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 16:55:30,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-05 16:55:30,034 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand 6 states. [2018-04-05 16:55:30,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:55:30,404 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-04-05 16:55:30,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 16:55:30,405 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-05 16:55:30,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:55:30,406 INFO L225 Difference]: With dead ends: 30 [2018-04-05 16:55:30,406 INFO L226 Difference]: Without dead ends: 29 [2018-04-05 16:55:30,407 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-05 16:55:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-05 16:55:30,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-05 16:55:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-05 16:55:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-04-05 16:55:30,413 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 17 [2018-04-05 16:55:30,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:55:30,413 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-04-05 16:55:30,413 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 16:55:30,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-04-05 16:55:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-05 16:55:30,418 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:55:30,418 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:55:30,418 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-05 16:55:30,419 INFO L82 PathProgramCache]: Analyzing trace with hash -206723512, 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 [2018-04-05 16:55:30,446 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:55:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 16:55:30,468 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 16:55:30,525 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 [2018-04-05 16:55:30,530 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 [2018-04-05 16:55:30,530 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,543 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,553 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-05 16:55:30,592 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 [2018-04-05 16:55:30,609 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:30,616 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 [2018-04-05 16:55:30,617 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,641 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,662 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-05 16:55:30,748 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 [2018-04-05 16:55:30,803 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 16:55:30,815 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 [2018-04-05 16:55:30,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,832 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,838 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 16:55:30,838 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:3 [2018-04-05 16:55:30,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:30,901 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 16:55:30,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 16:55:31,018 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 16:55:31,019 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 6 [2018-04-05 16:55:31,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 16:55:31,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 16:55:31,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-05 16:55:31,020 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 7 states. [2018-04-05 16:55:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 16:55:31,447 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-04-05 16:55:31,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 16:55:31,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-05 16:55:31,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 16:55:31,448 INFO L225 Difference]: With dead ends: 29 [2018-04-05 16:55:31,448 INFO L226 Difference]: Without dead ends: 28 [2018-04-05 16:55:31,449 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-04-05 16:55:31,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-05 16:55:31,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-05 16:55:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-05 16:55:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-04-05 16:55:31,458 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 20 [2018-04-05 16:55:31,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 16:55:31,464 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-04-05 16:55:31,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 16:55:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-04-05 16:55:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-05 16:55:31,465 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 16:55:31,465 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 16:55:31,465 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr8RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-05 16:55:31,466 INFO L82 PathProgramCache]: Analyzing trace with hash -2113461515, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 16:55:31,498 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 16:55:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 16:55:31,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 16:55:31,694 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-05 16:55:31,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 04:55:31 BoogieIcfgContainer [2018-04-05 16:55:31,769 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 16:55:31,770 INFO L168 Benchmark]: Toolchain (without parser) took 9109.91 ms. Allocated memory was 310.9 MB in the beginning and 478.2 MB in the end (delta: 167.2 MB). Free memory was 249.5 MB in the beginning and 440.0 MB in the end (delta: -190.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 16:55:31,771 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 310.9 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 16:55:31,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.21 ms. Allocated memory is still 310.9 MB. Free memory was 248.5 MB in the beginning and 217.3 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 5.3 GB. [2018-04-05 16:55:31,772 INFO L168 Benchmark]: Boogie Preprocessor took 134.03 ms. Allocated memory is still 310.9 MB. Free memory was 217.3 MB in the beginning and 213.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 5.3 GB. [2018-04-05 16:55:31,773 INFO L168 Benchmark]: RCFGBuilder took 1498.36 ms. Allocated memory was 310.9 MB in the beginning and 464.5 MB in the end (delta: 153.6 MB). Free memory was 213.9 MB in the beginning and 394.3 MB in the end (delta: -180.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. [2018-04-05 16:55:31,774 INFO L168 Benchmark]: TraceAbstraction took 6548.68 ms. Allocated memory was 464.5 MB in the beginning and 478.2 MB in the end (delta: 13.6 MB). Free memory was 394.3 MB in the beginning and 440.0 MB in the end (delta: -45.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 16:55:31,782 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 310.9 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 910.21 ms. Allocated memory is still 310.9 MB. Free memory was 248.5 MB in the beginning and 217.3 MB in the end (delta: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 134.03 ms. Allocated memory is still 310.9 MB. Free memory was 217.3 MB in the beginning and 213.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1498.36 ms. Allocated memory was 310.9 MB in the beginning and 464.5 MB in the end (delta: 153.6 MB). Free memory was 213.9 MB in the beginning and 394.3 MB in the end (delta: -180.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6548.68 ms. Allocated memory was 464.5 MB in the beginning and 478.2 MB in the end (delta: 13.6 MB). Free memory was 394.3 MB in the beginning and 440.0 MB in the end (delta: -45.7 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 755]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L742-L749] FCALL union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; VAL [data={7:0}] [L750] EXPR, FCALL malloc(37U) VAL [data={7:0}, malloc(37U)={8:0}] [L750] FCALL data.p0 = malloc(37U) VAL [data={7:0}, malloc(37U)={8:0}] [L751] FCALL data.str.p2 = &data VAL [data={7:0}, malloc(37U)={8:0}] [L752] EXPR, FCALL data.p0 VAL [data={7:0}, data.p0={8:0}, malloc(37U)={8:0}] [L752] void *ptr = data.p0; VAL [data={7:0}, data.p0={8:0}, malloc(37U)={8:0}, ptr={8:0}] [L753] FCALL data.str.c[1] = sizeof data.str.p1 VAL [data={7:0}, malloc(37U)={8:0}, ptr={8:0}] [L754] EXPR, FCALL data.p0 VAL [data={7:0}, data.p0={8:0}, malloc(37U)={8:0}, ptr={8:0}] [L754] free(data.p0) VAL [data={7:0}, data.p0={8:0}, malloc(37U)={8:0}, ptr={8:0}] [L754] free(data.p0) VAL [data={7:0}, data.p0={8:0}, malloc(37U)={8:0}, ptr={8:0}] [L754] FCALL free(data.p0) VAL [data={7:0}, data.p0={8:0}, malloc(37U)={8:0}, ptr={8:0}] [L755] free(ptr) VAL [data={7:0}, malloc(37U)={8:0}, ptr={8:0}] [L755] free(ptr) VAL [data={7:0}, malloc(37U)={8:0}, ptr={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 44 locations, 15 error locations. UNSAFE Result, 6.3s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 184 SDslu, 147 SDs, 0 SdLazy, 118 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 114 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 132 ConstructedInterpolants, 2 QuantifiedInterpolants, 8672 SizeOfPredicates, 17 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 33 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 incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_16-55-31-820.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_16-55-31-820.csv Received shutdown request...