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 0.1.23-8168ed2-m [2018-04-11 21:10:05,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 21:10:05,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 21:10:05,511 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 21:10:05,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 21:10:05,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 21:10:05,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 21:10:05,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 21:10:05,519 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 21:10:05,520 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 21:10:05,521 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 21:10:05,521 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 21:10:05,523 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 21:10:05,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 21:10:05,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 21:10:05,536 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 21:10:05,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 21:10:05,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 21:10:05,541 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 21:10:05,542 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 21:10:05,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 21:10:05,554 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 21:10:05,559 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 21:10:05,559 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-11 21:10:05,594 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 21:10:05,595 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 21:10:05,595 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 21:10:05,595 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 21:10:05,596 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 21:10:05,596 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 21:10:05,596 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 21:10:05,596 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 21:10:05,596 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 21:10:05,597 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 21:10:05,597 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 21:10:05,597 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 21:10:05,598 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 21:10:05,598 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 21:10:05,598 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 21:10:05,598 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 21:10:05,598 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 21:10:05,598 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 21:10:05,599 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 21:10:05,599 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 21:10:05,599 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 21:10:05,599 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 21:10:05,599 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 21:10:05,600 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 21:10:05,600 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 21:10:05,600 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 21:10:05,600 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:10:05,600 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 21:10:05,600 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 21:10:05,601 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 21:10:05,601 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 21:10:05,601 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 21:10:05,601 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 21:10:05,601 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 21:10:05,602 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 21:10:05,603 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 21:10:05,603 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 21:10:05,603 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 21:10:05,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 21:10:05,672 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 21:10:05,679 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 21:10:05,682 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 21:10:05,682 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 21:10:05,683 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 [2018-04-11 21:10:06,048 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc77936ec0 [2018-04-11 21:10:06,235 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 21:10:06,235 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 21:10:06,236 INFO L168 CDTParser]: Scanning test-0158_false-valid-free.i [2018-04-11 21:10:06,248 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 21:10:06,248 INFO L215 ultiparseSymbolTable]: [2018-04-11 21:10:06,248 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 21:10:06,248 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-0158_false-valid-free.i [2018-04-11 21:10:06,249 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 21:10:06,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_long in test-0158_false-valid-free.i [2018-04-11 21:10:06,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__ulong in test-0158_false-valid-free.i [2018-04-11 21:10:06,249 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 [2018-04-11 21:10:06,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__gid_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__int8_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____fsblkcnt64_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_short in test-0158_false-valid-free.i [2018-04-11 21:10:06,257 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int64_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_attr_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__size_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int64_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____intptr_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____mode_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_once_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__wchar_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutex_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____socklen_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_int in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__off_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____suseconds_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,258 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__time_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____int32_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__id_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____rlim_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsblkcnt_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__dev_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__uint in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int in test-0158_false-valid-free.i [2018-04-11 21:10:06,259 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__nlink_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____u_char in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____sig_atomic_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____pid_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uid_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_mutexattr_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____off_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____gid_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,260 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____locale_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fd_mask in test-0158_false-valid-free.i [2018-04-11 21:10:06,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__fsfilcnt_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____uint64_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____timer_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,261 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__int32_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____id_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__key_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__pthread_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____ssize_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int8_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,262 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i____fd_mask in test-0158_false-valid-free.i [2018-04-11 21:10:06,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__timer_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__clockid_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,263 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest______false_valid_free_i__u_int32_t in test-0158_false-valid-free.i [2018-04-11 21:10:06,281 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc77936ec0 [2018-04-11 21:10:06,286 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 21:10:06,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 21:10:06,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 21:10:06,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 21:10:06,295 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 21:10:06,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4075ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06, skipping insertion in model container [2018-04-11 21:10:06,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,312 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:10:06,345 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:10:06,523 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:10:06,620 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:10:06,633 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 159 non ball SCCs. Number of states in SCCs 159. [2018-04-11 21:10:06,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06 WrapperNode [2018-04-11 21:10:06,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 21:10:06,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 21:10:06,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 21:10:06,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 21:10:06,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... [2018-04-11 21:10:06,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 21:10:06,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 21:10:06,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 21:10:06,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 21:10:06,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:10:06,975 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 21:10:06,975 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 21:10:06,975 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 21:10:06,975 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 21:10:06,975 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 21:10:06,976 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 21:10:06,976 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 21:10:06,976 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 21:10:06,976 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 21:10:06,976 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 21:10:06,976 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 21:10:06,977 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 21:10:06,977 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 21:10:06,977 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 21:10:06,977 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 21:10:06,977 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 21:10:06,977 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 21:10:06,977 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 21:10:06,978 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 21:10:06,978 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 21:10:06,978 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 21:10:06,978 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 21:10:06,978 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 21:10:06,978 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 21:10:06,978 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 21:10:06,979 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 21:10:06,979 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 21:10:06,979 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 21:10:06,979 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 21:10:06,979 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 21:10:06,979 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 21:10:06,979 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 21:10:06,980 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 21:10:06,980 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 21:10:06,980 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 21:10:06,980 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 21:10:06,980 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 21:10:06,980 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 21:10:06,980 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 21:10:06,981 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 21:10:06,981 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 21:10:06,981 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 21:10:06,981 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 21:10:06,981 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 21:10:06,981 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 21:10:06,981 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 21:10:06,982 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 21:10:06,983 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 21:10:06,983 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 21:10:06,983 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 21:10:06,983 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 21:10:06,983 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 21:10:06,983 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 21:10:06,983 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 21:10:06,984 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 21:10:06,985 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 21:10:06,985 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 21:10:06,985 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 21:10:06,985 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 21:10:06,985 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 21:10:06,985 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 21:10:06,985 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 21:10:06,986 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 21:10:06,987 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 21:10:06,987 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 21:10:06,988 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 21:10:06,988 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 21:10:06,988 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 21:10:06,988 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 21:10:06,988 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 21:10:06,988 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 21:10:06,988 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 21:10:06,989 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 21:10:06,990 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 21:10:06,990 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 21:10:06,990 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 21:10:06,990 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 21:10:06,990 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 21:10:06,990 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 21:10:06,990 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 21:10:06,991 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 21:10:06,993 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 21:10:06,993 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 21:10:06,993 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-11 21:10:06,994 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-11 21:10:06,995 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-11 21:10:06,996 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-11 21:10:06,996 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-11 21:10:06,996 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-11 21:10:06,996 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-11 21:10:06,996 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-11 21:10:06,996 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-11 21:10:06,996 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-11 21:10:06,997 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-11 21:10:06,999 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-11 21:10:06,999 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-11 21:10:06,999 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-11 21:10:06,999 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-11 21:10:06,999 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-11 21:10:06,999 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-11 21:10:06,999 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-11 21:10:07,000 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-11 21:10:07,001 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-11 21:10:07,001 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-11 21:10:07,001 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-11 21:10:07,001 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-11 21:10:07,001 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-11 21:10:07,001 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-11 21:10:07,001 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-11 21:10:07,002 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-11 21:10:07,005 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 21:10:07,006 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 21:10:07,007 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 21:10:07,369 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 21:10:07,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:10:07 BoogieIcfgContainer [2018-04-11 21:10:07,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 21:10:07,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 21:10:07,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 21:10:07,373 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 21:10:07,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:10:06" (1/3) ... [2018-04-11 21:10:07,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0f643b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:10:07, skipping insertion in model container [2018-04-11 21:10:07,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:10:06" (2/3) ... [2018-04-11 21:10:07,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0f643b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:10:07, skipping insertion in model container [2018-04-11 21:10:07,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:10:07" (3/3) ... [2018-04-11 21:10:07,375 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_false-valid-free.i [2018-04-11 21:10:07,382 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 21:10:07,389 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 21:10:07,424 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 21:10:07,425 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 21:10:07,425 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 21:10:07,425 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 21:10:07,425 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 21:10:07,425 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 21:10:07,425 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 21:10:07,425 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 21:10:07,426 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 21:10:07,426 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 21:10:07,441 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2018-04-11 21:10:07,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 21:10:07,445 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:10:07,446 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:10:07,446 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]=== [2018-04-11 21:10:07,452 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 [2018-04-11 21:10:07,473 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:10:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:10:07,503 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:10:07,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:10:07,540 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,549 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,550 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:10:07,567 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-11 21:10:07,568 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 21:10:07,585 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 21:10:07,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:07,603 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:10:07,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:07,643 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:10:07,643 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 21:10:07,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:10:07,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:10:07,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:10:07,657 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2018-04-11 21:10:07,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:10:07,718 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2018-04-11 21:10:07,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:10:07,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-04-11 21:10:07,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:10:07,729 INFO L225 Difference]: With dead ends: 44 [2018-04-11 21:10:07,729 INFO L226 Difference]: Without dead ends: 36 [2018-04-11 21:10:07,733 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 [2018-04-11 21:10:07,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-11 21:10:07,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-11 21:10:07,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 21:10:07,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 35 transitions. [2018-04-11 21:10:07,762 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 35 transitions. Word has length 9 [2018-04-11 21:10:07,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:10:07,763 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 35 transitions. [2018-04-11 21:10:07,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:10:07,763 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 35 transitions. [2018-04-11 21:10:07,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 21:10:07,763 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:10:07,763 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:10:07,763 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]=== [2018-04-11 21:10:07,764 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 [2018-04-11 21:10:07,771 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:10:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:10:07,786 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:10:07,792 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:10:07,792 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:10:07,804 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,811 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,812 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 21:10:07,831 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:07,832 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:07,833 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 [2018-04-11 21:10:07,833 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,867 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:07,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:07,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-11 21:10:07,871 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:07,884 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. [2018-04-11 21:10:07,884 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-11 21:10:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:07,908 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:10:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:08,019 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:10:08,019 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-11 21:10:08,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:10:08,020 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:10:08,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:10:08,021 INFO L87 Difference]: Start difference. First operand 36 states and 35 transitions. Second operand 6 states. [2018-04-11 21:10:08,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:10:08,130 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2018-04-11 21:10:08,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:10:08,130 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-11 21:10:08,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:10:08,131 INFO L225 Difference]: With dead ends: 36 [2018-04-11 21:10:08,131 INFO L226 Difference]: Without dead ends: 31 [2018-04-11 21:10:08,132 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:10:08,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-11 21:10:08,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-04-11 21:10:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-04-11 21:10:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-04-11 21:10:08,136 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 9 [2018-04-11 21:10:08,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:10:08,137 INFO L459 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-04-11 21:10:08,137 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:10:08,138 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-04-11 21:10:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 21:10:08,138 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:10:08,139 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:10:08,139 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]=== [2018-04-11 21:10:08,139 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 [2018-04-11 21:10:08,150 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:10:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:10:08,177 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:10:08,190 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 [2018-04-11 21:10:08,192 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 [2018-04-11 21:10:08,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,196 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,198 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,198 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-11 21:10:08,207 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 [2018-04-11 21:10:08,210 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:08,211 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 [2018-04-11 21:10:08,212 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,230 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,234 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,235 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-11 21:10:08,254 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 [2018-04-11 21:10:08,259 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:08,262 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 [2018-04-11 21:10:08,263 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,267 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,269 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,270 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:3 [2018-04-11 21:10:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:08,278 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:10:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:08,337 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:10:08,337 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2018-04-11 21:10:08,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:10:08,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:10:08,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:10:08,338 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 6 states. [2018-04-11 21:10:08,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:10:08,379 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-04-11 21:10:08,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 21:10:08,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-11 21:10:08,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:10:08,380 INFO L225 Difference]: With dead ends: 31 [2018-04-11 21:10:08,380 INFO L226 Difference]: Without dead ends: 30 [2018-04-11 21:10:08,381 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-11 21:10:08,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-11 21:10:08,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-04-11 21:10:08,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-04-11 21:10:08,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 29 transitions. [2018-04-11 21:10:08,383 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 29 transitions. Word has length 16 [2018-04-11 21:10:08,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:10:08,384 INFO L459 AbstractCegarLoop]: Abstraction has 30 states and 29 transitions. [2018-04-11 21:10:08,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:10:08,384 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 29 transitions. [2018-04-11 21:10:08,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 21:10:08,384 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:10:08,384 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:10:08,384 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]=== [2018-04-11 21:10:08,384 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 [2018-04-11 21:10:08,392 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:10:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:10:08,411 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:10:08,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 21:10:08,416 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,418 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 21:10:08,426 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 [2018-04-11 21:10:08,429 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 [2018-04-11 21:10:08,429 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,431 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,434 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,435 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-11 21:10:08,444 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 [2018-04-11 21:10:08,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:08,449 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 [2018-04-11 21:10:08,449 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,454 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,458 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,459 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:19 [2018-04-11 21:10:08,479 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 [2018-04-11 21:10:08,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:08,487 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 [2018-04-11 21:10:08,487 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,491 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,493 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,493 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:5 [2018-04-11 21:10:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:08,507 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:10:08,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:08,556 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:10:08,556 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 4] imperfect sequences [] total 5 [2018-04-11 21:10:08,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 21:10:08,557 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 21:10:08,557 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-11 21:10:08,557 INFO L87 Difference]: Start difference. First operand 30 states and 29 transitions. Second operand 6 states. [2018-04-11 21:10:08,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:10:08,619 INFO L93 Difference]: Finished difference Result 30 states and 29 transitions. [2018-04-11 21:10:08,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 21:10:08,619 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-11 21:10:08,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:10:08,620 INFO L225 Difference]: With dead ends: 30 [2018-04-11 21:10:08,621 INFO L226 Difference]: Without dead ends: 29 [2018-04-11 21:10:08,621 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-11 21:10:08,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-11 21:10:08,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-11 21:10:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-11 21:10:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-04-11 21:10:08,625 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 17 [2018-04-11 21:10:08,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:10:08,625 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-04-11 21:10:08,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 21:10:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-04-11 21:10:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 21:10:08,626 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:10:08,626 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:10:08,626 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]=== [2018-04-11 21:10:08,627 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 [2018-04-11 21:10:08,633 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:10:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:10:08,646 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:10:08,664 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 [2018-04-11 21:10:08,666 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 [2018-04-11 21:10:08,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,667 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,668 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,668 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-11 21:10:08,675 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 [2018-04-11 21:10:08,678 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:08,679 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 [2018-04-11 21:10:08,679 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,684 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,687 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2018-04-11 21:10:08,699 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 [2018-04-11 21:10:08,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 21:10:08,703 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 [2018-04-11 21:10:08,703 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,705 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,706 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 21:10:08,706 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:24, output treesize:3 [2018-04-11 21:10:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:08,715 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 21:10:08,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:10:08,744 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:10:08,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 6 [2018-04-11 21:10:08,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-11 21:10:08,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-11 21:10:08,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-11 21:10:08,745 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 7 states. [2018-04-11 21:10:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:10:08,804 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-04-11 21:10:08,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 21:10:08,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-04-11 21:10:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:10:08,805 INFO L225 Difference]: With dead ends: 29 [2018-04-11 21:10:08,805 INFO L226 Difference]: Without dead ends: 28 [2018-04-11 21:10:08,806 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-04-11 21:10:08,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-11 21:10:08,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-11 21:10:08,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-11 21:10:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2018-04-11 21:10:08,810 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 20 [2018-04-11 21:10:08,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:10:08,810 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2018-04-11 21:10:08,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-11 21:10:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2018-04-11 21:10:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-11 21:10:08,811 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:10:08,811 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] [2018-04-11 21:10:08,811 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]=== [2018-04-11 21:10:08,812 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 [2018-04-11 21:10:08,819 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 21:10:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:10:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:10:08,885 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 21:10:08,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:10:08 BoogieIcfgContainer [2018-04-11 21:10:08,906 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 21:10:08,906 INFO L168 Benchmark]: Toolchain (without parser) took 2620.11 ms. Allocated memory was 305.1 MB in the beginning and 491.3 MB in the end (delta: 186.1 MB). Free memory was 242.6 MB in the beginning and 369.8 MB in the end (delta: -127.2 MB). Peak memory consumption was 59.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:10:08,907 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 305.1 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:10:08,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.48 ms. Allocated memory is still 305.1 MB. Free memory was 242.6 MB in the beginning and 210.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 5.3 GB. [2018-04-11 21:10:08,908 INFO L168 Benchmark]: Boogie Preprocessor took 71.73 ms. Allocated memory is still 305.1 MB. Free memory was 210.7 MB in the beginning and 207.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:10:08,908 INFO L168 Benchmark]: RCFGBuilder took 580.36 ms. Allocated memory was 305.1 MB in the beginning and 472.9 MB in the end (delta: 167.8 MB). Free memory was 207.7 MB in the beginning and 400.1 MB in the end (delta: -192.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:10:08,909 INFO L168 Benchmark]: TraceAbstraction took 1535.08 ms. Allocated memory was 472.9 MB in the beginning and 491.3 MB in the end (delta: 18.4 MB). Free memory was 400.1 MB in the beginning and 369.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 48.7 MB. Max. memory is 5.3 GB. [2018-04-11 21:10:08,912 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 305.1 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 428.48 ms. Allocated memory is still 305.1 MB. Free memory was 242.6 MB in the beginning and 210.7 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 71.73 ms. Allocated memory is still 305.1 MB. Free memory was 210.7 MB in the beginning and 207.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 580.36 ms. Allocated memory was 305.1 MB in the beginning and 472.9 MB in the end (delta: 167.8 MB). Free memory was 207.7 MB in the beginning and 400.1 MB in the end (delta: -192.4 MB). Peak memory consumption was 19.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1535.08 ms. Allocated memory was 472.9 MB in the beginning and 491.3 MB in the end (delta: 18.4 MB). Free memory was 400.1 MB in the beginning and 369.8 MB in the end (delta: 30.4 MB). Peak memory consumption was 48.7 MB. 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, 1.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 111 SDtfs, 184 SDslu, 147 SDs, 0 SdLazy, 118 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 114 SyntacticMatches, 5 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s 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-0-2018-04-11_21-10-08-923.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-0-2018-04-11_21-10-08-923.csv Received shutdown request...