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-3.2_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-11 21:03:57,639 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 21:03:57,640 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 21:03:57,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 21:03:57,652 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 21:03:57,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 21:03:57,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 21:03:57,656 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 21:03:57,657 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 21:03:57,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 21:03:57,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 21:03:57,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 21:03:57,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 21:03:57,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 21:03:57,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 21:03:57,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 21:03:57,664 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 21:03:57,665 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 21:03:57,666 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 21:03:57,667 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 21:03:57,668 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 21:03:57,669 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 21:03:57,669 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 21:03:57,670 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 21:03:57,670 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 21:03:57,671 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 21:03:57,671 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 21:03:57,672 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 21:03:57,673 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 21:03:57,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 21:03:57,673 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 21:03:57,673 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-04-11 21:03:57,696 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 21:03:57,696 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 21:03:57,697 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 21:03:57,697 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 21:03:57,697 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 21:03:57,697 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 21:03:57,697 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 21:03:57,698 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 21:03:57,698 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 21:03:57,698 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 21:03:57,698 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 21:03:57,698 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 21:03:57,698 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 21:03:57,699 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 21:03:57,699 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 21:03:57,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 21:03:57,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 21:03:57,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 21:03:57,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 21:03:57,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:03:57,700 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 21:03:57,700 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 21:03:57,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 21:03:57,700 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 21:03:57,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 21:03:57,738 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 21:03:57,741 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 21:03:57,742 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 21:03:57,743 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 21:03:57,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,046 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc826020ba [2018-04-11 21:03:58,183 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 21:03:58,183 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 21:03:58,183 INFO L168 CDTParser]: Scanning lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,190 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 21:03:58,191 INFO L215 ultiparseSymbolTable]: [2018-04-11 21:03:58,191 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 21:03:58,191 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__pop ('pop') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,191 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_flockfree_____false_valid_memtrack_i__push ('push') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,191 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,191 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 21:03:58,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,191 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__t1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_once_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____swblk_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__register_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_attr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sig_atomic_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,192 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____useconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_condattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__wchar_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____socklen_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__S in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____loff_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____WAIT_STATUS in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_spinlock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____intptr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__div_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__size_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__daddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_cond_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_set in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____mode_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ulong in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_short in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__x1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__sigset_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pthread_list_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrierattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____caddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_long in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlock_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____rlim64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsblkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__lldiv_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____qaddr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____gid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blksize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uint16_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_char in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_barrier_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____suseconds_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__ushort in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_quad_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__garbage in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__key_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fd_mask in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutex_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____pid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____timer_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_mutexattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__clockid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ssize_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____u_int in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__time_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__u_int8_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc4 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pthread_rwlockattr_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____blkcnt64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__dev_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__fsfilcnt_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__pc1 in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__id_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__int32_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____ino64_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____off_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i____uid_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__uint in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_flockfree_____false_valid_memtrack_i__nlink_t in lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,214 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGc826020ba [2018-04-11 21:03:58,217 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 21:03:58,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 21:03:58,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 21:03:58,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 21:03:58,224 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 21:03:58,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c28dfba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58, skipping insertion in model container [2018-04-11 21:03:58,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,239 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:03:58,266 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 21:03:58,408 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:03:58,446 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 21:03:58,452 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-11 21:03:58,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58 WrapperNode [2018-04-11 21:03:58,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 21:03:58,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 21:03:58,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 21:03:58,488 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 21:03:58,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... [2018-04-11 21:03:58,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 21:03:58,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 21:03:58,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 21:03:58,533 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 21:03:58,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 21:03:58,631 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 21:03:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 21:03:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-11 21:03:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-11 21:03:58,632 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 21:03:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 21:03:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 21:03:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 21:03:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 21:03:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 21:03:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 21:03:58,632 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 21:03:58,633 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 21:03:58,634 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 21:03:58,635 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 21:03:58,636 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 21:03:58,637 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 21:03:58,638 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 21:03:58,639 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 21:03:58,640 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 21:03:58,641 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__push [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 21:03:58,642 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_flockfree_____false_valid_memtrack_i__pop [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 21:03:58,643 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 21:03:58,958 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 21:03:58,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:03:58 BoogieIcfgContainer [2018-04-11 21:03:58,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 21:03:58,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 21:03:58,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 21:03:58,962 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 21:03:58,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 09:03:58" (1/3) ... [2018-04-11 21:03:58,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b2f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:03:58, skipping insertion in model container [2018-04-11 21:03:58,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 09:03:58" (2/3) ... [2018-04-11 21:03:58,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@135b2f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 09:03:58, skipping insertion in model container [2018-04-11 21:03:58,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 09:03:58" (3/3) ... [2018-04-11 21:03:58,964 INFO L107 eAbstractionObserver]: Analyzing ICFG lockfree-3.2_false-valid-memtrack.i [2018-04-11 21:03:58,970 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 21:03:58,975 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-11 21:03:59,002 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 21:03:59,002 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 21:03:59,002 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 21:03:59,003 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 21:03:59,003 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 21:03:59,003 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 21:03:59,003 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 21:03:59,003 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 21:03:59,003 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 21:03:59,004 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 21:03:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-04-11 21:03:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-11 21:03:59,018 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,018 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,018 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]=== [2018-04-11 21:03:59,021 INFO L82 PathProgramCache]: Analyzing trace with hash 764612502, now seen corresponding path program 1 times [2018-04-11 21:03:59,022 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,022 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,053 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,053 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,097 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,129 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,129 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 21:03:59,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 21:03:59,142 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 21:03:59,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 21:03:59,144 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-04-11 21:03:59,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,161 INFO L93 Difference]: Finished difference Result 78 states and 95 transitions. [2018-04-11 21:03:59,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 21:03:59,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-04-11 21:03:59,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,172 INFO L225 Difference]: With dead ends: 78 [2018-04-11 21:03:59,172 INFO L226 Difference]: Without dead ends: 75 [2018-04-11 21:03:59,174 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 [2018-04-11 21:03:59,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-11 21:03:59,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-11 21:03:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-11 21:03:59,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 92 transitions. [2018-04-11 21:03:59,200 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 92 transitions. Word has length 9 [2018-04-11 21:03:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,200 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 92 transitions. [2018-04-11 21:03:59,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 21:03:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2018-04-11 21:03:59,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 21:03:59,200 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,201 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,201 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]=== [2018-04-11 21:03:59,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2144181541, now seen corresponding path program 1 times [2018-04-11 21:03:59,201 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,201 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,202 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,202 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,216 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,241 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,241 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 21:03:59,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:03:59,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:03:59,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:03:59,242 INFO L87 Difference]: Start difference. First operand 75 states and 92 transitions. Second operand 3 states. [2018-04-11 21:03:59,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,261 INFO L93 Difference]: Finished difference Result 76 states and 93 transitions. [2018-04-11 21:03:59,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:03:59,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-11 21:03:59,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,263 INFO L225 Difference]: With dead ends: 76 [2018-04-11 21:03:59,263 INFO L226 Difference]: Without dead ends: 76 [2018-04-11 21:03:59,264 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 [2018-04-11 21:03:59,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-11 21:03:59,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-11 21:03:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-11 21:03:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-04-11 21:03:59,268 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 12 [2018-04-11 21:03:59,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,268 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-04-11 21:03:59,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:03:59,268 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-04-11 21:03:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-04-11 21:03:59,269 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,269 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,269 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]=== [2018-04-11 21:03:59,269 INFO L82 PathProgramCache]: Analyzing trace with hash -2142334499, now seen corresponding path program 1 times [2018-04-11 21:03:59,269 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,269 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,270 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,270 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,286 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,339 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,340 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 21:03:59,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:03:59,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:03:59,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:03:59,340 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 3 states. [2018-04-11 21:03:59,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,361 INFO L93 Difference]: Finished difference Result 134 states and 169 transitions. [2018-04-11 21:03:59,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:03:59,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-04-11 21:03:59,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,362 INFO L225 Difference]: With dead ends: 134 [2018-04-11 21:03:59,362 INFO L226 Difference]: Without dead ends: 134 [2018-04-11 21:03:59,362 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 [2018-04-11 21:03:59,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-04-11 21:03:59,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 116. [2018-04-11 21:03:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-04-11 21:03:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 161 transitions. [2018-04-11 21:03:59,370 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 161 transitions. Word has length 12 [2018-04-11 21:03:59,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,371 INFO L459 AbstractCegarLoop]: Abstraction has 116 states and 161 transitions. [2018-04-11 21:03:59,371 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:03:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 161 transitions. [2018-04-11 21:03:59,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-11 21:03:59,371 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,371 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,371 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]=== [2018-04-11 21:03:59,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1987861526, now seen corresponding path program 1 times [2018-04-11 21:03:59,371 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,371 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,372 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,372 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,382 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,400 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,401 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 21:03:59,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 21:03:59,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 21:03:59,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 21:03:59,401 INFO L87 Difference]: Start difference. First operand 116 states and 161 transitions. Second operand 3 states. [2018-04-11 21:03:59,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,450 INFO L93 Difference]: Finished difference Result 151 states and 209 transitions. [2018-04-11 21:03:59,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 21:03:59,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-04-11 21:03:59,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,452 INFO L225 Difference]: With dead ends: 151 [2018-04-11 21:03:59,452 INFO L226 Difference]: Without dead ends: 147 [2018-04-11 21:03:59,452 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 [2018-04-11 21:03:59,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-11 21:03:59,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2018-04-11 21:03:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-04-11 21:03:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 194 transitions. [2018-04-11 21:03:59,462 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 194 transitions. Word has length 13 [2018-04-11 21:03:59,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,462 INFO L459 AbstractCegarLoop]: Abstraction has 137 states and 194 transitions. [2018-04-11 21:03:59,462 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 21:03:59,462 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2018-04-11 21:03:59,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 21:03:59,463 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,463 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,463 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]=== [2018-04-11 21:03:59,463 INFO L82 PathProgramCache]: Analyzing trace with hash -990934181, now seen corresponding path program 1 times [2018-04-11 21:03:59,463 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,463 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,464 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,464 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 21:03:59,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 21:03:59,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 21:03:59,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:03:59,516 INFO L87 Difference]: Start difference. First operand 137 states and 194 transitions. Second operand 5 states. [2018-04-11 21:03:59,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,552 INFO L93 Difference]: Finished difference Result 259 states and 361 transitions. [2018-04-11 21:03:59,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 21:03:59,553 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-04-11 21:03:59,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,554 INFO L225 Difference]: With dead ends: 259 [2018-04-11 21:03:59,554 INFO L226 Difference]: Without dead ends: 259 [2018-04-11 21:03:59,554 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 [2018-04-11 21:03:59,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-04-11 21:03:59,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 228. [2018-04-11 21:03:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-11 21:03:59,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 340 transitions. [2018-04-11 21:03:59,565 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 340 transitions. Word has length 15 [2018-04-11 21:03:59,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,565 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 340 transitions. [2018-04-11 21:03:59,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 21:03:59,566 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 340 transitions. [2018-04-11 21:03:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 21:03:59,566 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,566 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,566 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]=== [2018-04-11 21:03:59,566 INFO L82 PathProgramCache]: Analyzing trace with hash -654467540, now seen corresponding path program 1 times [2018-04-11 21:03:59,566 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,566 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,567 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,567 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,583 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,604 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 21:03:59,605 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:03:59,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:03:59,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:03:59,605 INFO L87 Difference]: Start difference. First operand 228 states and 340 transitions. Second operand 4 states. [2018-04-11 21:03:59,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,695 INFO L93 Difference]: Finished difference Result 390 states and 573 transitions. [2018-04-11 21:03:59,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:03:59,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 21:03:59,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,698 INFO L225 Difference]: With dead ends: 390 [2018-04-11 21:03:59,698 INFO L226 Difference]: Without dead ends: 390 [2018-04-11 21:03:59,699 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:03:59,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2018-04-11 21:03:59,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 360. [2018-04-11 21:03:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-11 21:03:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 550 transitions. [2018-04-11 21:03:59,715 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 550 transitions. Word has length 16 [2018-04-11 21:03:59,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,715 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 550 transitions. [2018-04-11 21:03:59,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:03:59,715 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 550 transitions. [2018-04-11 21:03:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 21:03:59,716 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,716 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,716 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]=== [2018-04-11 21:03:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash -654467539, now seen corresponding path program 1 times [2018-04-11 21:03:59,716 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,716 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,717 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,717 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,727 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,754 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,754 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 21:03:59,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 21:03:59,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 21:03:59,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 21:03:59,755 INFO L87 Difference]: Start difference. First operand 360 states and 550 transitions. Second operand 4 states. [2018-04-11 21:03:59,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,835 INFO L93 Difference]: Finished difference Result 489 states and 720 transitions. [2018-04-11 21:03:59,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 21:03:59,835 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 21:03:59,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,838 INFO L225 Difference]: With dead ends: 489 [2018-04-11 21:03:59,838 INFO L226 Difference]: Without dead ends: 489 [2018-04-11 21:03:59,838 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:03:59,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-04-11 21:03:59,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 462. [2018-04-11 21:03:59,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2018-04-11 21:03:59,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 698 transitions. [2018-04-11 21:03:59,851 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 698 transitions. Word has length 16 [2018-04-11 21:03:59,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,852 INFO L459 AbstractCegarLoop]: Abstraction has 462 states and 698 transitions. [2018-04-11 21:03:59,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 21:03:59,852 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 698 transitions. [2018-04-11 21:03:59,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 21:03:59,852 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,852 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,852 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]=== [2018-04-11 21:03:59,853 INFO L82 PathProgramCache]: Analyzing trace with hash 2111148230, now seen corresponding path program 1 times [2018-04-11 21:03:59,853 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,853 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,853 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,854 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,862 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:03:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:03:59,887 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 21:03:59,887 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-11 21:03:59,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-11 21:03:59,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-11 21:03:59,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-11 21:03:59,888 INFO L87 Difference]: Start difference. First operand 462 states and 698 transitions. Second operand 5 states. [2018-04-11 21:03:59,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:03:59,947 INFO L93 Difference]: Finished difference Result 865 states and 1229 transitions. [2018-04-11 21:03:59,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 21:03:59,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-11 21:03:59,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:03:59,951 INFO L225 Difference]: With dead ends: 865 [2018-04-11 21:03:59,951 INFO L226 Difference]: Without dead ends: 865 [2018-04-11 21:03:59,951 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 [2018-04-11 21:03:59,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-04-11 21:03:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 830. [2018-04-11 21:03:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2018-04-11 21:03:59,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1198 transitions. [2018-04-11 21:03:59,976 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1198 transitions. Word has length 16 [2018-04-11 21:03:59,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:03:59,976 INFO L459 AbstractCegarLoop]: Abstraction has 830 states and 1198 transitions. [2018-04-11 21:03:59,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-11 21:03:59,976 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1198 transitions. [2018-04-11 21:03:59,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-11 21:03:59,977 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:03:59,977 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:03:59,977 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]=== [2018-04-11 21:03:59,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1464034702, now seen corresponding path program 1 times [2018-04-11 21:03:59,977 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:03:59,977 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:03:59,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:03:59,978 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:03:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:03:59,989 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:04:00,029 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 21:04:00,030 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 [2018-04-11 21:04:00,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:00,096 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:04:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:04:00,194 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 21:04:00,195 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 9 [2018-04-11 21:04:00,195 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 21:04:00,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 21:04:00,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-04-11 21:04:00,195 INFO L87 Difference]: Start difference. First operand 830 states and 1198 transitions. Second operand 9 states. [2018-04-11 21:04:00,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:00,537 INFO L93 Difference]: Finished difference Result 1426 states and 2036 transitions. [2018-04-11 21:04:00,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-11 21:04:00,538 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-04-11 21:04:00,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:00,543 INFO L225 Difference]: With dead ends: 1426 [2018-04-11 21:04:00,544 INFO L226 Difference]: Without dead ends: 1426 [2018-04-11 21:04:00,544 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 [2018-04-11 21:04:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-04-11 21:04:00,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1270. [2018-04-11 21:04:00,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2018-04-11 21:04:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1794 transitions. [2018-04-11 21:04:00,578 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1794 transitions. Word has length 26 [2018-04-11 21:04:00,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:00,579 INFO L459 AbstractCegarLoop]: Abstraction has 1270 states and 1794 transitions. [2018-04-11 21:04:00,579 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 21:04:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1794 transitions. [2018-04-11 21:04:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 21:04:00,580 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:00,580 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] [2018-04-11 21:04:00,580 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]=== [2018-04-11 21:04:00,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1396165131, now seen corresponding path program 1 times [2018-04-11 21:04:00,580 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:00,580 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:00,581 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:00,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:00,581 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:00,591 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 21:04:00,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:04:00,639 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 21:04:00,640 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 [2018-04-11 21:04:00,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 21:04:00,689 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 21:04:00,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 21:04:00,758 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 21:04:00,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2018-04-11 21:04:00,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 21:04:00,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 21:04:00,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-04-11 21:04:00,759 INFO L87 Difference]: Start difference. First operand 1270 states and 1794 transitions. Second operand 10 states. [2018-04-11 21:04:00,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 21:04:00,970 INFO L93 Difference]: Finished difference Result 4139 states and 6007 transitions. [2018-04-11 21:04:00,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 21:04:00,971 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2018-04-11 21:04:00,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 21:04:00,987 INFO L225 Difference]: With dead ends: 4139 [2018-04-11 21:04:00,987 INFO L226 Difference]: Without dead ends: 4139 [2018-04-11 21:04:00,987 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2018-04-11 21:04:00,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2018-04-11 21:04:01,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3946. [2018-04-11 21:04:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3946 states. [2018-04-11 21:04:01,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 5580 transitions. [2018-04-11 21:04:01,116 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 5580 transitions. Word has length 27 [2018-04-11 21:04:01,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 21:04:01,116 INFO L459 AbstractCegarLoop]: Abstraction has 3946 states and 5580 transitions. [2018-04-11 21:04:01,116 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 21:04:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 5580 transitions. [2018-04-11 21:04:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 21:04:01,117 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 21:04:01,117 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 21:04:01,117 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]=== [2018-04-11 21:04:01,118 INFO L82 PathProgramCache]: Analyzing trace with hash 2081153715, now seen corresponding path program 1 times [2018-04-11 21:04:01,118 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-04-11 21:04:01,118 INFO L68 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-04-11 21:04:01,118 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:01,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 21:04:01,119 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 21:04:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:04:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 21:04:01,157 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 21:04:01,182 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-11 21:04:01,191 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 [2018-04-11 21:04:01,192 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 [2018-04-11 21:04:01,193 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 [2018-04-11 21:04:01,193 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 [2018-04-11 21:04:01,194 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 [2018-04-11 21:04:01,195 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 [2018-04-11 21:04:01,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 09:04:01 BoogieIcfgContainer [2018-04-11 21:04:01,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 21:04:01,207 INFO L168 Benchmark]: Toolchain (without parser) took 2989.17 ms. Allocated memory was 403.2 MB in the beginning and 615.0 MB in the end (delta: 211.8 MB). Free memory was 332.8 MB in the beginning and 526.1 MB in the end (delta: -193.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:01,208 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 403.2 MB. Free memory is still 362.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 21:04:01,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.54 ms. Allocated memory is still 403.2 MB. Free memory was 332.8 MB in the beginning and 306.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:01,208 INFO L168 Benchmark]: Boogie Preprocessor took 43.90 ms. Allocated memory is still 403.2 MB. Free memory was 306.9 MB in the beginning and 302.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:01,208 INFO L168 Benchmark]: RCFGBuilder took 426.04 ms. Allocated memory was 403.2 MB in the beginning and 587.7 MB in the end (delta: 184.5 MB). Free memory was 302.9 MB in the beginning and 516.0 MB in the end (delta: -213.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:01,208 INFO L168 Benchmark]: TraceAbstraction took 2246.95 ms. Allocated memory was 587.7 MB in the beginning and 615.0 MB in the end (delta: 27.3 MB). Free memory was 516.0 MB in the beginning and 526.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 17.2 MB. Max. memory is 5.3 GB. [2018-04-11 21:04:01,209 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 403.2 MB. Free memory is still 362.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 269.54 ms. Allocated memory is still 403.2 MB. Free memory was 332.8 MB in the beginning and 306.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 43.90 ms. Allocated memory is still 403.2 MB. Free memory was 306.9 MB in the beginning and 302.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 426.04 ms. Allocated memory was 403.2 MB in the beginning and 587.7 MB in the end (delta: 184.5 MB). Free memory was 302.9 MB in the beginning and 516.0 MB in the end (delta: -213.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2246.95 ms. Allocated memory was 587.7 MB in the beginning and 615.0 MB in the end (delta: 27.3 MB). Free memory was 516.0 MB in the beginning and 526.1 MB in the end (delta: -10.1 MB). Peak memory consumption was 17.2 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 * 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)=11, \old(S)=25, \old(t1)=22, \old(t1)=24, \old(t4)=18, \old(t4)=13, \old(x1)=14, \old(x1)=20, \old(x4)=10, \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] S || 1 != pc4 || __VERIFIER_nondet_int() 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}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L690] S || 1 != pc4 || __VERIFIER_nondet_int() 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, __VERIFIER_nondet_int()=1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=1, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE S || 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))={12:0}, 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))={12:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={12:0}, 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))={12:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={12:0}, 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))={12:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={12:0}, 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={12:0}, x4={0:0}] [L690] S || 1 != pc4 || __VERIFIER_nondet_int() 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}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={12:0}, x4={0:0}] [L690] COND FALSE !(S || 1 != pc4 || __VERIFIER_nondet_int()) [L690] S || 1 != pc4 || __VERIFIER_nondet_int() 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, __VERIFIER_nondet_int()=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, S || 1 != pc4 || __VERIFIER_nondet_int()=0, t1={0:0}, t4={0:0}, x1={12:0}, x4={0:0}] [L690] COND FALSE !(S || 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=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={12:0}, 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=2, 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, 2.2s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 959 SDtfs, 1198 SDslu, 1670 SDs, 0 SdLazy, 612 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3946occurred in iteration=10, 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 500 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 11823 SizeOfPredicates, 12 NumberOfNonLiveVariables, 602 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 9/24 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-3.2_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_21-04-01-215.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lockfree-3.2_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_21-04-01-215.csv Received shutdown request...