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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 11:22:35,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 11:22:35,720 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 11:22:35,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2018-04-11 11:22:35,755 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 11:22:35,774 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 11:22:35,774 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 11:22:35,775 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 11:22:35,775 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 11:22:35,776 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 11:22:35,776 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 11:22:35,776 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 11:22:35,776 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 11:22:35,776 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 11:22:35,776 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 11:22:35,776 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 11:22:35,777 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 11:22:35,777 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 11:22:35,777 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 11:22:35,777 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 11:22:35,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 11:22:35,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 11:22:35,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 11:22:35,778 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 11:22:35,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 11:22:35,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 11:22:35,778 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 11:22:35,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 11:22:35,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 11:22:35,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 11:22:35,821 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 11:22:35,825 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 11:22:35,827 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 11:22:35,827 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 11:22:35,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,144 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGaf2255a42 [2018-04-11 11:22:36,267 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 11:22:36,267 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 11:22:36,268 INFO L168 CDTParser]: Scanning c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,274 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 11:22:36,275 INFO L215 ultiparseSymbolTable]: [2018-04-11 11:22:36,275 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 11:22:36,275 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 ('__bswap_64') in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,275 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun ('test_fun') in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,275 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,275 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 ('__bswap_32') in 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c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__register_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsblkcnt64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ino_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,282 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ssize_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsword_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__gid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__size_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_mutex_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____mode_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_attr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____socklen_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_once_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_int in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____intptr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__time_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__div_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____useconds_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_condattr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____rlim64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____daddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__pthread_spinlock_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__mode_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,283 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fd_set in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____sigset_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__caddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__loff_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__ushort in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____key_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint8_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____caddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____time_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____WAIT_STATUS in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__u_long in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____blksize_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____dev_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____fsfilcnt_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____u_short in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__int64_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__suseconds_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____qaddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____uint16_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__daddr_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,284 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____clock_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,285 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____loff_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,285 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i____int8_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,285 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fc____alloca_true_valid_memsafety_i__fsid_t in c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,296 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGaf2255a42 [2018-04-11 11:22:36,299 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 11:22:36,300 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 11:22:36,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 11:22:36,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 11:22:36,303 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 11:22:36,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90e9629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36, skipping insertion in model container [2018-04-11 11:22:36,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,316 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 11:22:36,335 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 11:22:36,447 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 11:22:36,481 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 11:22:36,486 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-11 11:22:36,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36 WrapperNode [2018-04-11 11:22:36,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 11:22:36,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 11:22:36,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 11:22:36,513 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 11:22:36,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... [2018-04-11 11:22:36,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 11:22:36,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 11:22:36,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 11:22:36,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 11:22:36,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (1/1) ... No working directory specified, using /home/ultimate/work/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 11:22:36,623 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 11:22:36,623 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 11:22:36,623 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-04-11 11:22:36,623 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-04-11 11:22:36,623 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-04-11 11:22:36,624 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_32 [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i____bswap_64 [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 11:22:36,624 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 11:22:36,625 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 11:22:36,626 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 11:22:36,627 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 11:22:36,628 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 11:22:36,629 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 11:22:36,630 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 11:22:36,631 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 11:22:36,632 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 11:22:36,633 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fc____alloca_true_valid_memsafety_i__test_fun [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 11:22:36,634 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 11:22:36,635 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 11:22:36,635 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 11:22:36,635 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 11:22:36,635 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 11:22:36,635 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 11:22:36,932 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 11:22:36,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:22:36 BoogieIcfgContainer [2018-04-11 11:22:36,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 11:22:36,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 11:22:36,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 11:22:36,936 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 11:22:36,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 11:22:36" (1/3) ... [2018-04-11 11:22:36,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af87268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:22:36, skipping insertion in model container [2018-04-11 11:22:36,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:22:36" (2/3) ... [2018-04-11 11:22:36,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af87268 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:22:36, skipping insertion in model container [2018-04-11 11:22:36,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:22:36" (3/3) ... [2018-04-11 11:22:36,939 INFO L107 eAbstractionObserver]: Analyzing ICFG c.03-alloca_true-valid-memsafety.i [2018-04-11 11:22:36,946 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 11:22:36,952 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 31 error locations. [2018-04-11 11:22:36,982 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 11:22:36,983 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 11:22:36,983 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 11:22:36,983 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 11:22:36,983 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 11:22:36,983 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 11:22:36,983 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 11:22:36,983 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 11:22:36,983 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 11:22:36,984 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 11:22:36,993 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states. [2018-04-11 11:22:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 11:22:36,998 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:36,999 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 11:22:36,999 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:37,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1184675155, now seen corresponding path program 1 times [2018-04-11 11:22:37,002 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:37,003 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:37,029 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:37,029 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:37,078 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:37,197 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 11:22:37,199 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:37,200 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 11:22:37,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 11:22:37,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 11:22:37,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 11:22:37,216 INFO L87 Difference]: Start difference. First operand 84 states. Second operand 4 states. [2018-04-11 11:22:37,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:37,290 INFO L93 Difference]: Finished difference Result 79 states and 80 transitions. [2018-04-11 11:22:37,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 11:22:37,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-11 11:22:37,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:37,298 INFO L225 Difference]: With dead ends: 79 [2018-04-11 11:22:37,298 INFO L226 Difference]: Without dead ends: 76 [2018-04-11 11:22:37,299 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:37,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-11 11:22:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-11 11:22:37,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 11:22:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 77 transitions. [2018-04-11 11:22:37,325 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 77 transitions. Word has length 17 [2018-04-11 11:22:37,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:37,325 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 77 transitions. [2018-04-11 11:22:37,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 11:22:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 77 transitions. [2018-04-11 11:22:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-11 11:22:37,325 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:37,325 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 11:22:37,325 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:37,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1184675154, now seen corresponding path program 1 times [2018-04-11 11:22:37,326 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:37,326 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:37,326 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:37,327 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:37,342 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:37,404 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 11:22:37,404 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:37,404 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:22:37,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:22:37,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:22:37,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:37,405 INFO L87 Difference]: Start difference. First operand 76 states and 77 transitions. Second operand 5 states. [2018-04-11 11:22:37,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:37,502 INFO L93 Difference]: Finished difference Result 71 states and 72 transitions. [2018-04-11 11:22:37,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:22:37,503 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-11 11:22:37,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:37,504 INFO L225 Difference]: With dead ends: 71 [2018-04-11 11:22:37,504 INFO L226 Difference]: Without dead ends: 71 [2018-04-11 11:22:37,505 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 11:22:37,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-11 11:22:37,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-04-11 11:22:37,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-11 11:22:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2018-04-11 11:22:37,510 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 17 [2018-04-11 11:22:37,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:37,510 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2018-04-11 11:22:37,511 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:22:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-04-11 11:22:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 11:22:37,511 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:37,511 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:22:37,511 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:37,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1929775850, now seen corresponding path program 1 times [2018-04-11 11:22:37,512 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:37,512 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:37,513 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:37,513 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:37,526 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:37,564 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 11:22:37,564 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:37,564 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 11:22:37,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 11:22:37,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 11:22:37,565 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 11:22:37,565 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 4 states. [2018-04-11 11:22:37,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:37,625 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2018-04-11 11:22:37,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 11:22:37,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-04-11 11:22:37,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:37,627 INFO L225 Difference]: With dead ends: 69 [2018-04-11 11:22:37,627 INFO L226 Difference]: Without dead ends: 69 [2018-04-11 11:22:37,627 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:37,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-11 11:22:37,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-04-11 11:22:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-11 11:22:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 70 transitions. [2018-04-11 11:22:37,632 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 70 transitions. Word has length 18 [2018-04-11 11:22:37,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:37,632 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 70 transitions. [2018-04-11 11:22:37,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 11:22:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-04-11 11:22:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-11 11:22:37,633 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:37,633 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:22:37,633 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:37,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1929775851, now seen corresponding path program 1 times [2018-04-11 11:22:37,633 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:37,633 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:37,634 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:37,634 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:37,648 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:37,705 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 11:22:37,705 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:37,705 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:22:37,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:22:37,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:22:37,706 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:37,706 INFO L87 Difference]: Start difference. First operand 69 states and 70 transitions. Second operand 5 states. [2018-04-11 11:22:37,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:37,781 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-04-11 11:22:37,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:22:37,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-04-11 11:22:37,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:37,782 INFO L225 Difference]: With dead ends: 67 [2018-04-11 11:22:37,782 INFO L226 Difference]: Without dead ends: 67 [2018-04-11 11:22:37,782 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 11:22:37,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-11 11:22:37,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-04-11 11:22:37,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-11 11:22:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2018-04-11 11:22:37,785 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 18 [2018-04-11 11:22:37,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:37,785 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2018-04-11 11:22:37,785 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:22:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-04-11 11:22:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 11:22:37,786 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:37,786 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:22:37,786 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:37,786 INFO L82 PathProgramCache]: Analyzing trace with hash -306490800, now seen corresponding path program 1 times [2018-04-11 11:22:37,786 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:37,786 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:37,786 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:37,787 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:37,797 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:37,830 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 11:22:37,831 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:37,831 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 11:22:37,831 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 11:22:37,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 11:22:37,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 11:22:37,832 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand 4 states. [2018-04-11 11:22:37,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:37,874 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2018-04-11 11:22:37,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 11:22:37,874 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2018-04-11 11:22:37,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:37,874 INFO L225 Difference]: With dead ends: 63 [2018-04-11 11:22:37,874 INFO L226 Difference]: Without dead ends: 63 [2018-04-11 11:22:37,875 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:37,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-11 11:22:37,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-11 11:22:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-11 11:22:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2018-04-11 11:22:37,877 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 19 [2018-04-11 11:22:37,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:37,877 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2018-04-11 11:22:37,877 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 11:22:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-04-11 11:22:37,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-11 11:22:37,877 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:37,877 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:22:37,878 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:37,878 INFO L82 PathProgramCache]: Analyzing trace with hash -306490799, now seen corresponding path program 1 times [2018-04-11 11:22:37,878 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:37,878 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:37,879 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:37,879 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:37,887 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:37,935 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 11:22:37,935 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:37,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 11:22:37,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 11:22:37,936 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 11:22:37,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:37,936 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 5 states. [2018-04-11 11:22:38,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:38,001 INFO L93 Difference]: Finished difference Result 59 states and 60 transitions. [2018-04-11 11:22:38,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:22:38,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-04-11 11:22:38,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:38,002 INFO L225 Difference]: With dead ends: 59 [2018-04-11 11:22:38,002 INFO L226 Difference]: Without dead ends: 59 [2018-04-11 11:22:38,002 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-11 11:22:38,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-11 11:22:38,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-11 11:22:38,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-11 11:22:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2018-04-11 11:22:38,005 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 19 [2018-04-11 11:22:38,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:38,005 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2018-04-11 11:22:38,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 11:22:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-04-11 11:22:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 11:22:38,006 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:38,006 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 11:22:38,006 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:38,006 INFO L82 PathProgramCache]: Analyzing trace with hash -911280211, now seen corresponding path program 1 times [2018-04-11 11:22:38,006 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:38,006 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:38,007 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:38,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:38,007 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:38,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:38,041 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 11:22:38,041 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:38,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 11:22:38,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 11:22:38,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 11:22:38,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 11:22:38,042 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand 4 states. [2018-04-11 11:22:38,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:38,078 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-04-11 11:22:38,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 11:22:38,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 11:22:38,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:38,079 INFO L225 Difference]: With dead ends: 55 [2018-04-11 11:22:38,079 INFO L226 Difference]: Without dead ends: 55 [2018-04-11 11:22:38,079 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-11 11:22:38,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-11 11:22:38,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-11 11:22:38,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2018-04-11 11:22:38,081 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 20 [2018-04-11 11:22:38,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:38,081 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2018-04-11 11:22:38,081 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 11:22:38,081 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-04-11 11:22:38,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-11 11:22:38,081 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:38,081 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 11:22:38,081 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:38,081 INFO L82 PathProgramCache]: Analyzing trace with hash -911280210, now seen corresponding path program 1 times [2018-04-11 11:22:38,081 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:38,082 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:38,082 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:38,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:38,082 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:38,088 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:38,128 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 11:22:38,128 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:38,128 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 11:22:38,128 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 11:22:38,129 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 11:22:38,129 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 11:22:38,129 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 4 states. [2018-04-11 11:22:38,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:38,169 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-11 11:22:38,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 11:22:38,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-04-11 11:22:38,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:38,172 INFO L225 Difference]: With dead ends: 51 [2018-04-11 11:22:38,172 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 11:22:38,172 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 11:22:38,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 11:22:38,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 11:22:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 11:22:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-11 11:22:38,175 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 20 [2018-04-11 11:22:38,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:38,175 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-11 11:22:38,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 11:22:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-11 11:22:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-11 11:22:38,176 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 11:22:38,176 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 11:22:38,176 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr0RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr12RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr5RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr22RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr27RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr3RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr8RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr17RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr20RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr15RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr25RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr28RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr10RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr14RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr18RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr11RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr24RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr7RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr9RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr26RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr21RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr4RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr13RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr23RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr6RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr1RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr2RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr19RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr29RequiresViolation, __U_MULTI_fc____alloca_true_valid_memsafety_i__test_funErr16RequiresViolation, mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-11 11:22:38,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1295572381, now seen corresponding path program 1 times [2018-04-11 11:22:38,176 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 11:22:38,176 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 11:22:38,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:38,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 11:22:38,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 11:22:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 11:22:38,200 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 11:22:38,769 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 11:22:38,770 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 11:22:38,770 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-04-11 11:22:38,770 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-11 11:22:38,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-11 11:22:38,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2018-04-11 11:22:38,770 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 13 states. [2018-04-11 11:22:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 11:22:39,142 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-11 11:22:39,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-11 11:22:39,143 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 38 [2018-04-11 11:22:39,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 11:22:39,143 INFO L225 Difference]: With dead ends: 50 [2018-04-11 11:22:39,143 INFO L226 Difference]: Without dead ends: 0 [2018-04-11 11:22:39,143 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2018-04-11 11:22:39,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-11 11:22:39,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-11 11:22:39,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-11 11:22:39,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-11 11:22:39,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2018-04-11 11:22:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 11:22:39,147 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-11 11:22:39,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-11 11:22:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-11 11:22:39,147 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-11 11:22:39,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 11:22:39 BoogieIcfgContainer [2018-04-11 11:22:39,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 11:22:39,151 INFO L168 Benchmark]: Toolchain (without parser) took 2852.06 ms. Allocated memory was 400.6 MB in the beginning and 685.8 MB in the end (delta: 285.2 MB). Free memory was 332.9 MB in the beginning and 491.7 MB in the end (delta: -158.8 MB). Peak memory consumption was 126.4 MB. Max. memory is 5.3 GB. [2018-04-11 11:22:39,152 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 400.6 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 11:22:39,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.64 ms. Allocated memory is still 400.6 MB. Free memory was 332.9 MB in the beginning and 309.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. [2018-04-11 11:22:39,153 INFO L168 Benchmark]: Boogie Preprocessor took 27.34 ms. Allocated memory is still 400.6 MB. Free memory was 309.1 MB in the beginning and 306.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 11:22:39,153 INFO L168 Benchmark]: RCFGBuilder took 392.64 ms. Allocated memory was 400.6 MB in the beginning and 611.3 MB in the end (delta: 210.8 MB). Free memory was 306.4 MB in the beginning and 542.4 MB in the end (delta: -235.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-04-11 11:22:39,153 INFO L168 Benchmark]: TraceAbstraction took 2216.84 ms. Allocated memory was 611.3 MB in the beginning and 685.8 MB in the end (delta: 74.4 MB). Free memory was 542.4 MB in the beginning and 491.7 MB in the end (delta: 50.7 MB). Peak memory consumption was 125.2 MB. Max. memory is 5.3 GB. [2018-04-11 11:22:39,154 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 400.6 MB. Free memory is still 360.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 212.64 ms. Allocated memory is still 400.6 MB. Free memory was 332.9 MB in the beginning and 309.1 MB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.34 ms. Allocated memory is still 400.6 MB. Free memory was 309.1 MB in the beginning and 306.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 392.64 ms. Allocated memory was 400.6 MB in the beginning and 611.3 MB in the end (delta: 210.8 MB). Free memory was 306.4 MB in the beginning and 542.4 MB in the end (delta: -235.9 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2216.84 ms. Allocated memory was 611.3 MB in the beginning and 685.8 MB in the end (delta: 74.4 MB). Free memory was 542.4 MB in the beginning and 491.7 MB in the end (delta: 50.7 MB). Peak memory consumption was 125.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 90 locations, 31 error locations. SAFE Result, 2.1s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 315 SDtfs, 691 SDslu, 413 SDs, 0 SdLazy, 708 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 15 SyntacticMatches, 8 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 177 ConstructedInterpolants, 0 QuantifiedInterpolants, 56655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_11-22-39-161.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/c.03-alloca_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_11-22-39-161.csv Received shutdown request...