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/memsafety/lockfree-3.1_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-12 11:35:09,122 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 11:35:09,123 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 11:35:09,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 11:35:09,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 11:35:09,137 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 11:35:09,137 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 11:35:09,139 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 11:35:09,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 11:35:09,141 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 11:35:09,142 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 11:35:09,142 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 11:35:09,142 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 11:35:09,143 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 11:35:09,144 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 11:35:09,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 11:35:09,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 11:35:09,149 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 11:35:09,150 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 11:35:09,150 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 11:35:09,152 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 11:35:09,152 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 11:35:09,152 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 11:35:09,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 11:35:09,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 11:35:09,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 11:35:09,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 11:35:09,155 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 11:35:09,156 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 11:35:09,156 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 11:35:09,156 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 11:35:09,157 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 [2018-04-12 11:35:09,165 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 11:35:09,166 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 11:35:09,166 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 11:35:09,167 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 11:35:09,167 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 11:35:09,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 11:35:09,167 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 11:35:09,167 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 11:35:09,167 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 11:35:09,167 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 11:35:09,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 11:35:09,168 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 11:35:09,168 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 11:35:09,168 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 11:35:09,168 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 11:35:09,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 11:35:09,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 11:35:09,169 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 11:35:09,169 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 11:35:09,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 11:35:09,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 11:35:09,169 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-12 11:35:09,169 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-12 11:35:09,169 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 11:35:09,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 11:35:09,208 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 11:35:09,210 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 11:35:09,211 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 11:35:09,212 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 11:35:09,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,496 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG215c1c012 [2018-04-12 11:35:09,654 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 11:35:09,654 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 11:35:09,655 INFO L168 CDTParser]: Scanning lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,661 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 11:35:09,662 INFO L215 ultiparseSymbolTable]: [2018-04-12 11:35:09,662 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 11:35:09,662 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,662 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__push ('push') in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,662 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__pop ('pop') in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,662 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clockid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____daddr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clockid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clock_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__quad_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_int in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint8_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____key_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,663 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int8_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int16_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_cond_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____loff_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__suseconds_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____useconds_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_mask in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__wchar_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,664 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_long in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__nlink_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uint in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ssize_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sigset_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_once_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__dev_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,665 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_spinlock_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__id_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int8_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_short in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ulong in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__gid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__S in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ldiv_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,666 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ino_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____swblk_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrierattr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__register_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clock_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int8_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____dev_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____time_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__daddr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_quad_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ushort in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,667 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__loff_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t4 in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t1 in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_condattr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint16_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____WAIT_STATUS in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blksize_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____qaddr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int32_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__div_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__garbage in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__time_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____suseconds_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__key_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutex_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,668 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_set in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__lldiv_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int16_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__mode_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc1 in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_short in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc4 in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____intptr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_key_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____caddr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__size_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,669 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlock_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint32_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__caddr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blksize_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____mode_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__sigset_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_char in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__timer_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_long in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int16_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__off_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,670 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blkcnt_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int32_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlockattr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsfilcnt_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ssize_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pthread_list_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____socklen_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____nlink_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_attr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,671 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int32_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_char in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____gid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_quad_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sig_atomic_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrier_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____id_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x1 in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____quad_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fd_mask in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,672 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt64_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x4 in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pid_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsblkcnt_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____timer_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutexattr_t in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,673 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int in lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:09,686 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG215c1c012 [2018-04-12 11:35:09,689 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 11:35:09,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 11:35:09,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 11:35:09,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 11:35:09,694 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 11:35:09,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2477f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09, skipping insertion in model container [2018-04-12 11:35:09,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,706 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 11:35:09,730 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 11:35:09,865 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 11:35:09,902 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 11:35:09,908 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-12 11:35:09,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09 WrapperNode [2018-04-12 11:35:09,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 11:35:09,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 11:35:09,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 11:35:09,947 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 11:35:09,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (1/1) ... [2018-04-12 11:35:09,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 11:35:09,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 11:35:09,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 11:35:09,988 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 11:35:09,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (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 [2018-04-12 11:35:10,070 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 11:35:10,071 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 11:35:10,071 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-12 11:35:10,071 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-12 11:35:10,071 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-12 11:35:10,071 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-12 11:35:10,072 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-12 11:35:10,073 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-12 11:35:10,074 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-12 11:35:10,075 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-12 11:35:10,076 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-12 11:35:10,077 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-12 11:35:10,078 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-12 11:35:10,079 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 11:35:10,080 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 11:35:10,081 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-12 11:35:10,388 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 11:35:10,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:35:10 BoogieIcfgContainer [2018-04-12 11:35:10,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 11:35:10,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 11:35:10,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 11:35:10,391 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 11:35:10,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 11:35:09" (1/3) ... [2018-04-12 11:35:10,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388826bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:35:10, skipping insertion in model container [2018-04-12 11:35:10,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 11:35:09" (2/3) ... [2018-04-12 11:35:10,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388826bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 11:35:10, skipping insertion in model container [2018-04-12 11:35:10,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 11:35:10" (3/3) ... [2018-04-12 11:35:10,394 INFO L107 eAbstractionObserver]: Analyzing ICFG lockfree-3.1_false-valid-memtrack.i [2018-04-12 11:35:10,402 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-12 11:35:10,408 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-12 11:35:10,442 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 11:35:10,442 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 11:35:10,442 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 11:35:10,442 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-12 11:35:10,443 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-12 11:35:10,443 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 11:35:10,443 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 11:35:10,443 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 11:35:10,443 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 11:35:10,443 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 11:35:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-04-12 11:35:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-12 11:35:10,456 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:10,457 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:10,457 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:10,460 INFO L82 PathProgramCache]: Analyzing trace with hash 764612502, now seen corresponding path program 1 times [2018-04-12 11:35:10,461 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:10,461 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:10,489 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:10,489 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:10,525 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:10,558 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:10,559 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 11:35:10,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-12 11:35:10,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-12 11:35:10,573 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 11:35:10,574 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-04-12 11:35:10,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:10,589 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2018-04-12 11:35:10,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-12 11:35:10,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-04-12 11:35:10,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:10,598 INFO L225 Difference]: With dead ends: 78 [2018-04-12 11:35:10,598 INFO L226 Difference]: Without dead ends: 75 [2018-04-12 11:35:10,600 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-12 11:35:10,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-12 11:35:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-12 11:35:10,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 11:35:10,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 92 transitions. [2018-04-12 11:35:10,626 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 92 transitions. Word has length 9 [2018-04-12 11:35:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:10,626 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 92 transitions. [2018-04-12 11:35:10,626 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-12 11:35:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-04-12 11:35:10,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 11:35:10,626 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:10,626 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:10,627 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:10,627 INFO L82 PathProgramCache]: Analyzing trace with hash -2144181541, now seen corresponding path program 1 times [2018-04-12 11:35:10,627 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:10,627 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:10,628 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:10,628 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:10,645 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:10,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:10,670 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:10,670 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:10,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 11:35:10,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 11:35:10,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:10,672 INFO L87 Difference]: Start difference. First operand 75 states and 92 transitions. Second operand 3 states. [2018-04-12 11:35:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:10,683 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2018-04-12 11:35:10,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 11:35:10,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-12 11:35:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:10,684 INFO L225 Difference]: With dead ends: 76 [2018-04-12 11:35:10,684 INFO L226 Difference]: Without dead ends: 76 [2018-04-12 11:35:10,685 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:10,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-12 11:35:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-12 11:35:10,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-12 11:35:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-04-12 11:35:10,689 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 12 [2018-04-12 11:35:10,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:10,689 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-04-12 11:35:10,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 11:35:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-04-12 11:35:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-12 11:35:10,689 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:10,689 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:10,689 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:10,690 INFO L82 PathProgramCache]: Analyzing trace with hash -2142334499, now seen corresponding path program 1 times [2018-04-12 11:35:10,690 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:10,690 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:10,690 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:10,691 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:10,711 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:10,758 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:10,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:10,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 11:35:10,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 11:35:10,758 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:10,759 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 3 states. [2018-04-12 11:35:10,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:10,780 INFO L93 Difference]: Finished difference Result 134 states and 169 transitions. [2018-04-12 11:35:10,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 11:35:10,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-12 11:35:10,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:10,781 INFO L225 Difference]: With dead ends: 134 [2018-04-12 11:35:10,781 INFO L226 Difference]: Without dead ends: 134 [2018-04-12 11:35:10,781 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:10,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-12 11:35:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 116. [2018-04-12 11:35:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-12 11:35:10,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 161 transitions. [2018-04-12 11:35:10,790 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 161 transitions. Word has length 12 [2018-04-12 11:35:10,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:10,790 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 161 transitions. [2018-04-12 11:35:10,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 11:35:10,790 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2018-04-12 11:35:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-12 11:35:10,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:10,791 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:10,791 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:10,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1987861526, now seen corresponding path program 1 times [2018-04-12 11:35:10,791 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:10,791 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:10,791 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:10,792 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:10,800 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:10,815 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:10,815 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-12 11:35:10,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-12 11:35:10,816 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-12 11:35:10,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:10,816 INFO L87 Difference]: Start difference. First operand 116 states and 161 transitions. Second operand 3 states. [2018-04-12 11:35:10,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:10,892 INFO L93 Difference]: Finished difference Result 151 states and 209 transitions. [2018-04-12 11:35:10,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-12 11:35:10,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-04-12 11:35:10,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:10,894 INFO L225 Difference]: With dead ends: 151 [2018-04-12 11:35:10,894 INFO L226 Difference]: Without dead ends: 147 [2018-04-12 11:35:10,894 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-12 11:35:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-12 11:35:10,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2018-04-12 11:35:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-12 11:35:10,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 194 transitions. [2018-04-12 11:35:10,905 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 194 transitions. Word has length 13 [2018-04-12 11:35:10,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:10,905 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 194 transitions. [2018-04-12 11:35:10,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-12 11:35:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2018-04-12 11:35:10,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-12 11:35:10,905 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:10,906 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:10,906 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:10,906 INFO L82 PathProgramCache]: Analyzing trace with hash -990934181, now seen corresponding path program 1 times [2018-04-12 11:35:10,906 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:10,906 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:10,907 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:10,907 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:10,917 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:10,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:10,958 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:10,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 11:35:10,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 11:35:10,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 11:35:10,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:10,959 INFO L87 Difference]: Start difference. First operand 137 states and 194 transitions. Second operand 5 states. [2018-04-12 11:35:11,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:11,011 INFO L93 Difference]: Finished difference Result 259 states and 361 transitions. [2018-04-12 11:35:11,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 11:35:11,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-12 11:35:11,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:11,013 INFO L225 Difference]: With dead ends: 259 [2018-04-12 11:35:11,013 INFO L226 Difference]: Without dead ends: 259 [2018-04-12 11:35:11,013 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 11:35:11,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-04-12 11:35:11,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 228. [2018-04-12 11:35:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-12 11:35:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 340 transitions. [2018-04-12 11:35:11,031 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 340 transitions. Word has length 15 [2018-04-12 11:35:11,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:11,032 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 340 transitions. [2018-04-12 11:35:11,032 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 11:35:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 340 transitions. [2018-04-12 11:35:11,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 11:35:11,032 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:11,033 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:11,033 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:11,033 INFO L82 PathProgramCache]: Analyzing trace with hash -654467540, now seen corresponding path program 1 times [2018-04-12 11:35:11,033 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:11,033 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:11,034 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:11,034 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:11,045 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:11,065 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:11,065 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:11,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 11:35:11,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 11:35:11,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 11:35:11,066 INFO L87 Difference]: Start difference. First operand 228 states and 340 transitions. Second operand 4 states. [2018-04-12 11:35:11,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:11,174 INFO L93 Difference]: Finished difference Result 390 states and 573 transitions. [2018-04-12 11:35:11,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 11:35:11,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-12 11:35:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:11,177 INFO L225 Difference]: With dead ends: 390 [2018-04-12 11:35:11,177 INFO L226 Difference]: Without dead ends: 390 [2018-04-12 11:35:11,178 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 [2018-04-12 11:35:11,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-12 11:35:11,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 360. [2018-04-12 11:35:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-12 11:35:11,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 550 transitions. [2018-04-12 11:35:11,196 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 550 transitions. Word has length 16 [2018-04-12 11:35:11,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:11,197 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 550 transitions. [2018-04-12 11:35:11,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 11:35:11,197 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 550 transitions. [2018-04-12 11:35:11,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 11:35:11,197 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:11,197 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:11,197 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:11,198 INFO L82 PathProgramCache]: Analyzing trace with hash -654467539, now seen corresponding path program 1 times [2018-04-12 11:35:11,198 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:11,198 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:11,199 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:11,199 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:11,207 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:11,245 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:11,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-12 11:35:11,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 11:35:11,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 11:35:11,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 11:35:11,245 INFO L87 Difference]: Start difference. First operand 360 states and 550 transitions. Second operand 4 states. [2018-04-12 11:35:11,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:11,306 INFO L93 Difference]: Finished difference Result 489 states and 720 transitions. [2018-04-12 11:35:11,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 11:35:11,307 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-12 11:35:11,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:11,310 INFO L225 Difference]: With dead ends: 489 [2018-04-12 11:35:11,310 INFO L226 Difference]: Without dead ends: 489 [2018-04-12 11:35:11,310 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 [2018-04-12 11:35:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-12 11:35:11,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 462. [2018-04-12 11:35:11,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-04-12 11:35:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 698 transitions. [2018-04-12 11:35:11,323 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 698 transitions. Word has length 16 [2018-04-12 11:35:11,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:11,324 INFO L459 AbstractCegarLoop]: Abstraction has 462 states and 698 transitions. [2018-04-12 11:35:11,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 11:35:11,324 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 698 transitions. [2018-04-12 11:35:11,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 11:35:11,324 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:11,324 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:11,324 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:11,325 INFO L82 PathProgramCache]: Analyzing trace with hash 2111148230, now seen corresponding path program 1 times [2018-04-12 11:35:11,325 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:11,325 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:11,325 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:11,326 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:11,332 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:11,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:11,354 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:11,354 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 11:35:11,354 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 11:35:11,355 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 11:35:11,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:11,355 INFO L87 Difference]: Start difference. First operand 462 states and 698 transitions. Second operand 5 states. [2018-04-12 11:35:11,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:11,417 INFO L93 Difference]: Finished difference Result 865 states and 1229 transitions. [2018-04-12 11:35:11,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 11:35:11,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-12 11:35:11,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:11,421 INFO L225 Difference]: With dead ends: 865 [2018-04-12 11:35:11,422 INFO L226 Difference]: Without dead ends: 865 [2018-04-12 11:35:11,422 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-12 11:35:11,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-04-12 11:35:11,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 830. [2018-04-12 11:35:11,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2018-04-12 11:35:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1198 transitions. [2018-04-12 11:35:11,448 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1198 transitions. Word has length 16 [2018-04-12 11:35:11,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:11,448 INFO L459 AbstractCegarLoop]: Abstraction has 830 states and 1198 transitions. [2018-04-12 11:35:11,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 11:35:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1198 transitions. [2018-04-12 11:35:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 11:35:11,449 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:11,449 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:11,449 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:11,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1464034702, now seen corresponding path program 1 times [2018-04-12 11:35:11,450 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:11,450 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:11,451 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:11,451 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:11,463 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:11,497 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:11,616 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:11,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:11,682 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:11,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:11,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 9 [2018-04-12 11:35:11,784 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 11:35:11,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 11:35:11,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-12 11:35:11,784 INFO L87 Difference]: Start difference. First operand 830 states and 1198 transitions. Second operand 9 states. [2018-04-12 11:35:12,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:12,152 INFO L93 Difference]: Finished difference Result 1426 states and 2036 transitions. [2018-04-12 11:35:12,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 11:35:12,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-12 11:35:12,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:12,158 INFO L225 Difference]: With dead ends: 1426 [2018-04-12 11:35:12,158 INFO L226 Difference]: Without dead ends: 1426 [2018-04-12 11:35:12,159 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2018-04-12 11:35:12,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-04-12 11:35:12,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1270. [2018-04-12 11:35:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2018-04-12 11:35:12,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1794 transitions. [2018-04-12 11:35:12,188 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1794 transitions. Word has length 26 [2018-04-12 11:35:12,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:12,188 INFO L459 AbstractCegarLoop]: Abstraction has 1270 states and 1794 transitions. [2018-04-12 11:35:12,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 11:35:12,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1794 transitions. [2018-04-12 11:35:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 11:35:12,190 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:12,190 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:12,192 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:12,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1396165131, now seen corresponding path program 1 times [2018-04-12 11:35:12,192 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:12,192 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:12,193 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:12,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:12,193 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:12,203 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:12,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:12,226 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:12,226 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 11:35:12,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 11:35:12,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 11:35:12,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:12,226 INFO L87 Difference]: Start difference. First operand 1270 states and 1794 transitions. Second operand 5 states. [2018-04-12 11:35:12,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:12,265 INFO L93 Difference]: Finished difference Result 1898 states and 2757 transitions. [2018-04-12 11:35:12,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 11:35:12,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-04-12 11:35:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:12,272 INFO L225 Difference]: With dead ends: 1898 [2018-04-12 11:35:12,272 INFO L226 Difference]: Without dead ends: 1898 [2018-04-12 11:35:12,272 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-12 11:35:12,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1898 states. [2018-04-12 11:35:12,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1898 to 1876. [2018-04-12 11:35:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2018-04-12 11:35:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2745 transitions. [2018-04-12 11:35:12,334 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2745 transitions. Word has length 27 [2018-04-12 11:35:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:12,335 INFO L459 AbstractCegarLoop]: Abstraction has 1876 states and 2745 transitions. [2018-04-12 11:35:12,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 11:35:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2745 transitions. [2018-04-12 11:35:12,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 11:35:12,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:12,336 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:12,336 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:12,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1008277157, now seen corresponding path program 1 times [2018-04-12 11:35:12,336 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:12,336 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:12,337 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:12,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:12,337 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:12,348 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:12,446 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:12,446 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:12,446 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:12,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:12,497 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:12,560 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-04-12 11:35:12,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-04-12 11:35:12,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 11:35:12,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 11:35:12,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-04-12 11:35:12,561 INFO L87 Difference]: Start difference. First operand 1876 states and 2745 transitions. Second operand 11 states. [2018-04-12 11:35:12,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:12,977 INFO L93 Difference]: Finished difference Result 988 states and 1245 transitions. [2018-04-12 11:35:12,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 11:35:12,977 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2018-04-12 11:35:12,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:12,981 INFO L225 Difference]: With dead ends: 988 [2018-04-12 11:35:12,981 INFO L226 Difference]: Without dead ends: 892 [2018-04-12 11:35:12,981 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2018-04-12 11:35:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-04-12 11:35:13,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 829. [2018-04-12 11:35:13,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2018-04-12 11:35:13,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1092 transitions. [2018-04-12 11:35:13,003 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1092 transitions. Word has length 31 [2018-04-12 11:35:13,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:13,003 INFO L459 AbstractCegarLoop]: Abstraction has 829 states and 1092 transitions. [2018-04-12 11:35:13,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 11:35:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1092 transitions. [2018-04-12 11:35:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 11:35:13,004 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:13,004 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:13,004 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1776763504, now seen corresponding path program 1 times [2018-04-12 11:35:13,005 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:13,005 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:13,005 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:13,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:13,006 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:13,017 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-04-12 11:35:13,057 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 11:35:13,057 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 11:35:13,058 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-12 11:35:13,058 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-12 11:35:13,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-12 11:35:13,058 INFO L87 Difference]: Start difference. First operand 829 states and 1092 transitions. Second operand 4 states. [2018-04-12 11:35:13,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:13,087 INFO L93 Difference]: Finished difference Result 838 states and 1105 transitions. [2018-04-12 11:35:13,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-12 11:35:13,087 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2018-04-12 11:35:13,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:13,090 INFO L225 Difference]: With dead ends: 838 [2018-04-12 11:35:13,090 INFO L226 Difference]: Without dead ends: 838 [2018-04-12 11:35:13,090 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-12 11:35:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2018-04-12 11:35:13,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 832. [2018-04-12 11:35:13,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2018-04-12 11:35:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1095 transitions. [2018-04-12 11:35:13,111 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1095 transitions. Word has length 38 [2018-04-12 11:35:13,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:13,112 INFO L459 AbstractCegarLoop]: Abstraction has 832 states and 1095 transitions. [2018-04-12 11:35:13,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-12 11:35:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1095 transitions. [2018-04-12 11:35:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 11:35:13,113 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:13,113 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:13,113 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:13,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1816603918, now seen corresponding path program 1 times [2018-04-12 11:35:13,113 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:13,113 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:13,114 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:13,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:13,114 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:13,125 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:13,220 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:13,220 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:13,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:13,274 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:13,320 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:13,349 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:13,349 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2018-04-12 11:35:13,350 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 11:35:13,350 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 11:35:13,350 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-12 11:35:13,350 INFO L87 Difference]: Start difference. First operand 832 states and 1095 transitions. Second operand 10 states. [2018-04-12 11:35:13,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:13,772 INFO L93 Difference]: Finished difference Result 2722 states and 3692 transitions. [2018-04-12 11:35:13,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 11:35:13,772 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2018-04-12 11:35:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:13,783 INFO L225 Difference]: With dead ends: 2722 [2018-04-12 11:35:13,783 INFO L226 Difference]: Without dead ends: 2722 [2018-04-12 11:35:13,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2018-04-12 11:35:13,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2722 states. [2018-04-12 11:35:13,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2722 to 2422. [2018-04-12 11:35:13,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2422 states. [2018-04-12 11:35:13,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2422 states to 2422 states and 3215 transitions. [2018-04-12 11:35:13,849 INFO L78 Accepts]: Start accepts. Automaton has 2422 states and 3215 transitions. Word has length 38 [2018-04-12 11:35:13,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:13,849 INFO L459 AbstractCegarLoop]: Abstraction has 2422 states and 3215 transitions. [2018-04-12 11:35:13,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 11:35:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 3215 transitions. [2018-04-12 11:35:13,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-12 11:35:13,850 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:13,850 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:13,850 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:13,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1447822595, now seen corresponding path program 1 times [2018-04-12 11:35:13,850 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:13,851 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:13,851 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:13,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:13,851 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:13,862 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:13,968 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 11:35:13,969 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:13,969 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:13,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:14,028 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 11:35:14,160 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:14,160 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2018-04-12 11:35:14,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 11:35:14,161 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 11:35:14,161 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2018-04-12 11:35:14,161 INFO L87 Difference]: Start difference. First operand 2422 states and 3215 transitions. Second operand 16 states. [2018-04-12 11:35:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:15,006 INFO L93 Difference]: Finished difference Result 2525 states and 3188 transitions. [2018-04-12 11:35:15,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 11:35:15,006 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 41 [2018-04-12 11:35:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:15,014 INFO L225 Difference]: With dead ends: 2525 [2018-04-12 11:35:15,015 INFO L226 Difference]: Without dead ends: 2447 [2018-04-12 11:35:15,015 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 423 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=341, Invalid=1465, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 11:35:15,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2447 states. [2018-04-12 11:35:15,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2447 to 2156. [2018-04-12 11:35:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2156 states. [2018-04-12 11:35:15,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 2715 transitions. [2018-04-12 11:35:15,076 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 2715 transitions. Word has length 41 [2018-04-12 11:35:15,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:15,076 INFO L459 AbstractCegarLoop]: Abstraction has 2156 states and 2715 transitions. [2018-04-12 11:35:15,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 11:35:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2715 transitions. [2018-04-12 11:35:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-12 11:35:15,077 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:15,077 INFO L355 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:15,077 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:15,077 INFO L82 PathProgramCache]: Analyzing trace with hash 2142437170, now seen corresponding path program 1 times [2018-04-12 11:35:15,077 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:15,077 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:15,078 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:15,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:15,078 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:15,091 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 11:35:15,134 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:15,135 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:15,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:15,191 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-12 11:35:15,287 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:15,287 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 13 [2018-04-12 11:35:15,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 11:35:15,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 11:35:15,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-04-12 11:35:15,287 INFO L87 Difference]: Start difference. First operand 2156 states and 2715 transitions. Second operand 13 states. [2018-04-12 11:35:15,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:15,604 INFO L93 Difference]: Finished difference Result 2264 states and 2807 transitions. [2018-04-12 11:35:15,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 11:35:15,607 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-04-12 11:35:15,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:15,616 INFO L225 Difference]: With dead ends: 2264 [2018-04-12 11:35:15,616 INFO L226 Difference]: Without dead ends: 2224 [2018-04-12 11:35:15,616 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=421, Unknown=0, NotChecked=0, Total=552 [2018-04-12 11:35:15,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2224 states. [2018-04-12 11:35:15,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2224 to 2116. [2018-04-12 11:35:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2116 states. [2018-04-12 11:35:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 2655 transitions. [2018-04-12 11:35:15,659 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 2655 transitions. Word has length 42 [2018-04-12 11:35:15,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:15,660 INFO L459 AbstractCegarLoop]: Abstraction has 2116 states and 2655 transitions. [2018-04-12 11:35:15,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 11:35:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2655 transitions. [2018-04-12 11:35:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-12 11:35:15,661 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:15,661 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:15,661 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:15,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1766984159, now seen corresponding path program 1 times [2018-04-12 11:35:15,661 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:15,661 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:15,662 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:15,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:15,662 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:15,679 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:15,741 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 11:35:15,741 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:15,741 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:15,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:15,799 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:15,838 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 32 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 11:35:15,868 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:15,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2018-04-12 11:35:15,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 11:35:15,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 11:35:15,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 11:35:15,869 INFO L87 Difference]: Start difference. First operand 2116 states and 2655 transitions. Second operand 11 states. [2018-04-12 11:35:16,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:16,117 INFO L93 Difference]: Finished difference Result 2625 states and 3329 transitions. [2018-04-12 11:35:16,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 11:35:16,117 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2018-04-12 11:35:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:16,127 INFO L225 Difference]: With dead ends: 2625 [2018-04-12 11:35:16,127 INFO L226 Difference]: Without dead ends: 2625 [2018-04-12 11:35:16,127 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2018-04-12 11:35:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2018-04-12 11:35:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2557. [2018-04-12 11:35:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2557 states. [2018-04-12 11:35:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3265 transitions. [2018-04-12 11:35:16,174 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3265 transitions. Word has length 54 [2018-04-12 11:35:16,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:16,175 INFO L459 AbstractCegarLoop]: Abstraction has 2557 states and 3265 transitions. [2018-04-12 11:35:16,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 11:35:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3265 transitions. [2018-04-12 11:35:16,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-12 11:35:16,176 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:16,176 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:16,176 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:16,176 INFO L82 PathProgramCache]: Analyzing trace with hash -2029376545, now seen corresponding path program 1 times [2018-04-12 11:35:16,176 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:16,177 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:16,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:16,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:16,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:16,190 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:16,242 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 11:35:16,242 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:16,242 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:16,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:16,298 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-04-12 11:35:16,402 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:16,403 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 13 [2018-04-12 11:35:16,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 11:35:16,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 11:35:16,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-04-12 11:35:16,403 INFO L87 Difference]: Start difference. First operand 2557 states and 3265 transitions. Second operand 13 states. [2018-04-12 11:35:16,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:16,803 INFO L93 Difference]: Finished difference Result 2625 states and 3291 transitions. [2018-04-12 11:35:16,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 11:35:16,804 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2018-04-12 11:35:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:16,811 INFO L225 Difference]: With dead ends: 2625 [2018-04-12 11:35:16,811 INFO L226 Difference]: Without dead ends: 2501 [2018-04-12 11:35:16,812 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2018-04-12 11:35:16,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2501 states. [2018-04-12 11:35:16,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2501 to 2473. [2018-04-12 11:35:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2473 states. [2018-04-12 11:35:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3101 transitions. [2018-04-12 11:35:16,853 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3101 transitions. Word has length 54 [2018-04-12 11:35:16,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:16,853 INFO L459 AbstractCegarLoop]: Abstraction has 2473 states and 3101 transitions. [2018-04-12 11:35:16,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 11:35:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3101 transitions. [2018-04-12 11:35:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 11:35:16,854 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:16,855 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:16,855 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:16,855 INFO L82 PathProgramCache]: Analyzing trace with hash 2017153842, now seen corresponding path program 1 times [2018-04-12 11:35:16,855 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:16,855 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:16,856 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:16,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:16,856 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:16,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:16,869 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:16,976 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-12 11:35:16,977 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:16,977 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:16,985 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:17,034 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-12 11:35:17,177 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:17,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 18 [2018-04-12 11:35:17,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 11:35:17,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 11:35:17,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-04-12 11:35:17,178 INFO L87 Difference]: Start difference. First operand 2473 states and 3101 transitions. Second operand 18 states. [2018-04-12 11:35:17,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:17,840 INFO L93 Difference]: Finished difference Result 6160 states and 7849 transitions. [2018-04-12 11:35:17,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 11:35:17,840 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-04-12 11:35:17,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:17,854 INFO L225 Difference]: With dead ends: 6160 [2018-04-12 11:35:17,854 INFO L226 Difference]: Without dead ends: 6060 [2018-04-12 11:35:17,855 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=305, Invalid=1255, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 11:35:17,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6060 states. [2018-04-12 11:35:17,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6060 to 3835. [2018-04-12 11:35:17,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3835 states. [2018-04-12 11:35:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 4757 transitions. [2018-04-12 11:35:17,927 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 4757 transitions. Word has length 58 [2018-04-12 11:35:17,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:17,927 INFO L459 AbstractCegarLoop]: Abstraction has 3835 states and 4757 transitions. [2018-04-12 11:35:17,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 11:35:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4757 transitions. [2018-04-12 11:35:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 11:35:17,929 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:17,929 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:17,929 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:17,929 INFO L82 PathProgramCache]: Analyzing trace with hash 328963835, now seen corresponding path program 1 times [2018-04-12 11:35:17,929 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:17,930 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:17,930 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:17,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:17,930 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:17,946 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:18,026 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 75 proven. 16 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-04-12 11:35:18,026 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:18,026 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:18,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:18,100 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 96 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-04-12 11:35:18,170 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:18,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2018-04-12 11:35:18,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 11:35:18,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 11:35:18,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 11:35:18,171 INFO L87 Difference]: Start difference. First operand 3835 states and 4757 transitions. Second operand 11 states. [2018-04-12 11:35:18,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:18,408 INFO L93 Difference]: Finished difference Result 4700 states and 5855 transitions. [2018-04-12 11:35:18,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 11:35:18,409 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 78 [2018-04-12 11:35:18,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:18,418 INFO L225 Difference]: With dead ends: 4700 [2018-04-12 11:35:18,418 INFO L226 Difference]: Without dead ends: 4580 [2018-04-12 11:35:18,419 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2018-04-12 11:35:18,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4580 states. [2018-04-12 11:35:18,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4580 to 4436. [2018-04-12 11:35:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4436 states. [2018-04-12 11:35:18,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4436 states to 4436 states and 5547 transitions. [2018-04-12 11:35:18,467 INFO L78 Accepts]: Start accepts. Automaton has 4436 states and 5547 transitions. Word has length 78 [2018-04-12 11:35:18,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:18,467 INFO L459 AbstractCegarLoop]: Abstraction has 4436 states and 5547 transitions. [2018-04-12 11:35:18,467 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 11:35:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 4436 states and 5547 transitions. [2018-04-12 11:35:18,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 11:35:18,468 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:18,468 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:18,468 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:18,469 INFO L82 PathProgramCache]: Analyzing trace with hash 797961657, now seen corresponding path program 1 times [2018-04-12 11:35:18,469 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:18,469 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:18,469 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:18,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:18,469 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:18,483 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-04-12 11:35:18,550 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:18,550 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:18,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:18,618 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:18,644 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-04-12 11:35:18,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:18,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2018-04-12 11:35:18,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 11:35:18,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 11:35:18,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 11:35:18,663 INFO L87 Difference]: Start difference. First operand 4436 states and 5547 transitions. Second operand 11 states. [2018-04-12 11:35:18,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:18,906 INFO L93 Difference]: Finished difference Result 5965 states and 7776 transitions. [2018-04-12 11:35:18,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 11:35:18,906 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 80 [2018-04-12 11:35:18,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:18,918 INFO L225 Difference]: With dead ends: 5965 [2018-04-12 11:35:18,918 INFO L226 Difference]: Without dead ends: 5961 [2018-04-12 11:35:18,919 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2018-04-12 11:35:18,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2018-04-12 11:35:18,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 4407. [2018-04-12 11:35:18,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4407 states. [2018-04-12 11:35:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4407 states to 4407 states and 5534 transitions. [2018-04-12 11:35:18,969 INFO L78 Accepts]: Start accepts. Automaton has 4407 states and 5534 transitions. Word has length 80 [2018-04-12 11:35:18,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:18,969 INFO L459 AbstractCegarLoop]: Abstraction has 4407 states and 5534 transitions. [2018-04-12 11:35:18,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 11:35:18,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4407 states and 5534 transitions. [2018-04-12 11:35:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 11:35:18,970 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:18,970 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:18,970 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:18,971 INFO L82 PathProgramCache]: Analyzing trace with hash 623126807, now seen corresponding path program 1 times [2018-04-12 11:35:18,971 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:18,971 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:18,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:18,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:18,972 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:18,981 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:19,019 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 75 proven. 18 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-04-12 11:35:19,019 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:19,019 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:19,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:19,074 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 98 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-04-12 11:35:19,151 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:19,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2018-04-12 11:35:19,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 11:35:19,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 11:35:19,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 11:35:19,152 INFO L87 Difference]: Start difference. First operand 4407 states and 5534 transitions. Second operand 11 states. [2018-04-12 11:35:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:19,343 INFO L93 Difference]: Finished difference Result 5636 states and 7218 transitions. [2018-04-12 11:35:19,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 11:35:19,344 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 81 [2018-04-12 11:35:19,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:19,357 INFO L225 Difference]: With dead ends: 5636 [2018-04-12 11:35:19,357 INFO L226 Difference]: Without dead ends: 5636 [2018-04-12 11:35:19,357 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 83 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-04-12 11:35:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5636 states. [2018-04-12 11:35:19,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5636 to 5169. [2018-04-12 11:35:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5169 states. [2018-04-12 11:35:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 5169 states and 6590 transitions. [2018-04-12 11:35:19,405 INFO L78 Accepts]: Start accepts. Automaton has 5169 states and 6590 transitions. Word has length 81 [2018-04-12 11:35:19,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:19,405 INFO L459 AbstractCegarLoop]: Abstraction has 5169 states and 6590 transitions. [2018-04-12 11:35:19,405 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 11:35:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5169 states and 6590 transitions. [2018-04-12 11:35:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-12 11:35:19,406 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:19,407 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:19,407 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:19,407 INFO L82 PathProgramCache]: Analyzing trace with hash 332947289, now seen corresponding path program 1 times [2018-04-12 11:35:19,407 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:19,407 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:19,407 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:19,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:19,407 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:19,418 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 68 proven. 26 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-04-12 11:35:19,455 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:19,455 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:19,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:19,510 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 100 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-04-12 11:35:19,553 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:19,553 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2018-04-12 11:35:19,553 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 11:35:19,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 11:35:19,554 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-12 11:35:19,554 INFO L87 Difference]: Start difference. First operand 5169 states and 6590 transitions. Second operand 11 states. [2018-04-12 11:35:19,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:19,830 INFO L93 Difference]: Finished difference Result 5616 states and 7158 transitions. [2018-04-12 11:35:19,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 11:35:19,833 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 83 [2018-04-12 11:35:19,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:19,846 INFO L225 Difference]: With dead ends: 5616 [2018-04-12 11:35:19,847 INFO L226 Difference]: Without dead ends: 5616 [2018-04-12 11:35:19,847 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-04-12 11:35:19,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5616 states. [2018-04-12 11:35:19,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5616 to 5570. [2018-04-12 11:35:19,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5570 states. [2018-04-12 11:35:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5570 states to 5570 states and 7118 transitions. [2018-04-12 11:35:19,927 INFO L78 Accepts]: Start accepts. Automaton has 5570 states and 7118 transitions. Word has length 83 [2018-04-12 11:35:19,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:19,927 INFO L459 AbstractCegarLoop]: Abstraction has 5570 states and 7118 transitions. [2018-04-12 11:35:19,927 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 11:35:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand 5570 states and 7118 transitions. [2018-04-12 11:35:19,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-12 11:35:19,929 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:19,929 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:19,929 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:19,929 INFO L82 PathProgramCache]: Analyzing trace with hash -434384668, now seen corresponding path program 1 times [2018-04-12 11:35:19,930 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:19,930 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:19,930 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:19,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:19,931 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:19,946 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 75 proven. 23 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-04-12 11:35:20,065 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:20,065 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:20,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:20,111 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 103 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-12 11:35:20,202 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:20,202 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2018-04-12 11:35:20,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 11:35:20,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 11:35:20,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-04-12 11:35:20,203 INFO L87 Difference]: Start difference. First operand 5570 states and 7118 transitions. Second operand 19 states. [2018-04-12 11:35:20,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:20,870 INFO L93 Difference]: Finished difference Result 7351 states and 9166 transitions. [2018-04-12 11:35:20,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-12 11:35:20,870 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 85 [2018-04-12 11:35:20,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:20,883 INFO L225 Difference]: With dead ends: 7351 [2018-04-12 11:35:20,883 INFO L226 Difference]: Without dead ends: 7351 [2018-04-12 11:35:20,884 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 298 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=326, Invalid=1156, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 11:35:20,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7351 states. [2018-04-12 11:35:20,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7351 to 5513. [2018-04-12 11:35:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5513 states. [2018-04-12 11:35:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5513 states to 5513 states and 6818 transitions. [2018-04-12 11:35:20,941 INFO L78 Accepts]: Start accepts. Automaton has 5513 states and 6818 transitions. Word has length 85 [2018-04-12 11:35:20,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:20,941 INFO L459 AbstractCegarLoop]: Abstraction has 5513 states and 6818 transitions. [2018-04-12 11:35:20,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 11:35:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 5513 states and 6818 transitions. [2018-04-12 11:35:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-12 11:35:20,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:20,942 INFO L355 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:20,942 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:20,943 INFO L82 PathProgramCache]: Analyzing trace with hash 523995112, now seen corresponding path program 1 times [2018-04-12 11:35:20,943 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:20,943 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:20,943 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:20,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:20,944 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:20,954 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-12 11:35:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 68 proven. 35 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-04-12 11:35:21,090 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-12 11:35:21,090 INFO L213 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-04-12 11:35:21,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 11:35:21,167 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-12 11:35:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 91 proven. 23 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-04-12 11:35:21,306 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-12 11:35:21,306 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2018-04-12 11:35:21,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 11:35:21,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 11:35:21,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-04-12 11:35:21,307 INFO L87 Difference]: Start difference. First operand 5513 states and 6818 transitions. Second operand 19 states. [2018-04-12 11:35:21,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 11:35:21,932 INFO L93 Difference]: Finished difference Result 7061 states and 8812 transitions. [2018-04-12 11:35:21,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 11:35:21,933 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 87 [2018-04-12 11:35:21,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 11:35:21,949 INFO L225 Difference]: With dead ends: 7061 [2018-04-12 11:35:21,949 INFO L226 Difference]: Without dead ends: 6964 [2018-04-12 11:35:21,949 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=316, Invalid=1324, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 11:35:21,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6964 states. [2018-04-12 11:35:22,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6964 to 5777. [2018-04-12 11:35:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5777 states. [2018-04-12 11:35:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5777 states to 5777 states and 7102 transitions. [2018-04-12 11:35:22,012 INFO L78 Accepts]: Start accepts. Automaton has 5777 states and 7102 transitions. Word has length 87 [2018-04-12 11:35:22,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 11:35:22,012 INFO L459 AbstractCegarLoop]: Abstraction has 5777 states and 7102 transitions. [2018-04-12 11:35:22,012 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 11:35:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5777 states and 7102 transitions. [2018-04-12 11:35:22,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-12 11:35:22,014 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 11:35:22,014 INFO L355 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 11:35:22,014 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_flockfree_____false_valid_memtrack_i__pushErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr5RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr6RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__pushErr7RequiresViolation, mainErr1RequiresViolation, mainErr4EnsuresViolationMEMORY_LEAK, mainErr2AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr3AssertViolationMEMORY_FREE, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr2RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr4RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr0RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr3RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr1RequiresViolation, __U_MULTI_flockfree_____false_valid_memtrack_i__popErr5RequiresViolation]=== [2018-04-12 11:35:22,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1015411636, now seen corresponding path program 1 times [2018-04-12 11:35:22,014 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-12 11:35:22,014 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-12 11:35:22,015 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:22,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-12 11:35:22,015 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-12 11:35:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 11:35:22,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-12 11:35:22,073 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-12 11:35:22,137 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-12 11:35:22,149 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,150 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,150 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,151 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,152 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,153 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,158 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,159 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,160 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,160 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,162 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,163 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,164 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,164 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,169 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,169 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,170 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,170 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,171 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,171 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,174 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,175 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,175 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,175 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,176 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,176 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,176 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,179 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,180 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,180 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,180 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,180 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,181 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,181 WARN L1215 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-04-12 11:35:22,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.04 11:35:22 BoogieIcfgContainer [2018-04-12 11:35:22,197 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-12 11:35:22,197 INFO L168 Benchmark]: Toolchain (without parser) took 12507.90 ms. Allocated memory was 405.8 MB in the beginning and 961.5 MB in the end (delta: 555.7 MB). Free memory was 342.2 MB in the beginning and 420.6 MB in the end (delta: -78.5 MB). Peak memory consumption was 477.3 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:22,199 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 405.8 MB. Free memory is still 366.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 11:35:22,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.69 ms. Allocated memory is still 405.8 MB. Free memory was 342.2 MB in the beginning and 315.7 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:22,199 INFO L168 Benchmark]: Boogie Preprocessor took 41.39 ms. Allocated memory is still 405.8 MB. Free memory was 315.7 MB in the beginning and 313.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:22,200 INFO L168 Benchmark]: RCFGBuilder took 400.61 ms. Allocated memory was 405.8 MB in the beginning and 614.5 MB in the end (delta: 208.7 MB). Free memory was 313.1 MB in the beginning and 541.1 MB in the end (delta: -228.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:22,200 INFO L168 Benchmark]: TraceAbstraction took 11807.62 ms. Allocated memory was 614.5 MB in the beginning and 961.5 MB in the end (delta: 347.1 MB). Free memory was 541.1 MB in the beginning and 420.6 MB in the end (delta: 120.5 MB). Peak memory consumption was 467.5 MB. Max. memory is 5.3 GB. [2018-04-12 11:35:22,202 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 405.8 MB. Free memory is still 366.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 255.69 ms. Allocated memory is still 405.8 MB. Free memory was 342.2 MB in the beginning and 315.7 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.39 ms. Allocated memory is still 405.8 MB. Free memory was 315.7 MB in the beginning and 313.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 400.61 ms. Allocated memory was 405.8 MB in the beginning and 614.5 MB in the end (delta: 208.7 MB). Free memory was 313.1 MB in the beginning and 541.1 MB in the end (delta: -228.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 11807.62 ms. Allocated memory was 614.5 MB in the beginning and 961.5 MB in the end (delta: 347.1 MB). Free memory was 541.1 MB in the beginning and 420.6 MB in the end (delta: 120.5 MB). Peak memory consumption was 467.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 688]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L625] int pc1 = 1; [L626] int pc4 = 1; [L624] struct cell *S; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; VAL [\old(garbage)=17, \old(garbage)=23, \old(pc1)=26, \old(pc4)=16, \old(res4)=15, \old(S)=25, \old(S)=12, \old(t1)=22, \old(t1)=24, \old(t4)=13, \old(t4)=18, \old(x1)=20, \old(x1)=14, \old(x4)=11, \old(x4)=21, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=0, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND FALSE !(1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()) [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ [L631] pc1++ [L632] case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L632] COND TRUE case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L633] EXPR, FCALL malloc(sizeof(*x1)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={10:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={10:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L634] FCALL x1->data = 0 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={10:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L635] RET, FCALL x1->next = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={10:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L631] pc1++ [L632] case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L632] COND FALSE !(case 1:) [L637] case 2: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L637] COND TRUE case 2: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L638] RET, FCALL x1->data = 4 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L631] pc1++ [L632] case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc1++=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L632] COND FALSE !(case 1:) [L637] case 2: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc1++=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L637] COND FALSE !(case 2:) [L640] case 3: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc1++=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L640] COND TRUE case 3: [L641] RET t1 = S VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc1++=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L631] pc1++ [L632] case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L632] COND FALSE !(case 1:) [L637] case 2: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L637] COND FALSE !(case 2:) [L640] case 3: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L640] COND FALSE !(case 3:) [L643] case 4: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L643] COND TRUE case 4: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L644] RET, FCALL x1->next = t1 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L631] pc1++ [L632] case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L632] COND FALSE !(case 1:) [L637] case 2: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L637] COND FALSE !(case 2:) [L640] case 3: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L640] COND FALSE !(case 3:) [L643] case 4: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L643] COND FALSE !(case 4:) [L646] case 5: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L646] COND TRUE case 5: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L647] COND TRUE S == t1 [L648] RET S = x1 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=10, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L631] pc1++ [L632] case 1: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=10, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=7, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L632] COND FALSE !(case 1:) [L637] case 2: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=10, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=7, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L637] COND FALSE !(case 2:) [L640] case 3: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=10, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=7, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L640] COND FALSE !(case 3:) [L643] case 4: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=10, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=7, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L643] COND FALSE !(case 4:) [L646] case 5: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=10, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=7, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L646] COND FALSE !(case 5:) [L652] case 6: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=10, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=7, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L652] COND TRUE case 6: [L653] RET pc1 = 1 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=10, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=0, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND FALSE !(1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()) [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=0, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND FALSE !(1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, \result=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 78 locations, 19 error locations. UNSAFE Result, 11.7s OverallTime, 25 OverallIterations, 7 TraceHistogramMax, 6.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2384 SDtfs, 5461 SDslu, 5351 SDs, 0 SdLazy, 7515 SolverSat, 1053 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1288 GetRequests, 902 SyntacticMatches, 18 SemanticMatches, 368 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2034 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5777occurred in iteration=24, 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: 0.9s AutomataMinimizationTime, 24 MinimizatonAttempts, 8654 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1945 NumberOfCodeBlocks, 1945 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1812 ConstructedInterpolants, 0 QuantifiedInterpolants, 264595 SizeOfPredicates, 58 NumberOfNonLiveVariables, 6330 ConjunctsInSsa, 198 ConjunctsInUnsatCore, 38 InterpolantComputations, 11 PerfectInterpolantSequences, 1782/2081 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lockfree-3.1_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_11-35-22-214.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lockfree-3.1_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-12_11-35-22-214.csv Received shutdown request...