java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-453dfda-m [2018-04-10 02:31:40,123 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 02:31:40,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 02:31:40,138 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 02:31:40,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 02:31:40,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 02:31:40,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 02:31:40,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 02:31:40,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 02:31:40,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 02:31:40,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 02:31:40,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 02:31:40,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 02:31:40,148 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 02:31:40,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 02:31:40,151 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 02:31:40,153 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 02:31:40,154 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 02:31:40,156 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 02:31:40,157 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 02:31:40,159 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-10 02:31:40,159 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-10 02:31:40,160 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-10 02:31:40,161 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-10 02:31:40,162 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-10 02:31:40,163 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-10 02:31:40,163 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-10 02:31:40,164 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-10 02:31:40,164 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-10 02:31:40,165 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-10 02:31:40,165 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-10 02:31:40,166 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-10 02:31:40,188 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 02:31:40,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 02:31:40,189 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-10 02:31:40,189 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-10 02:31:40,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-10 02:31:40,190 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-10 02:31:40,190 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-10 02:31:40,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-10 02:31:40,190 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-10 02:31:40,190 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-10 02:31:40,190 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-10 02:31:40,191 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-10 02:31:40,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 02:31:40,191 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 02:31:40,191 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 02:31:40,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 02:31:40,191 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 02:31:40,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 02:31:40,192 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 02:31:40,192 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-10 02:31:40,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 02:31:40,192 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 02:31:40,192 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 02:31:40,192 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-10 02:31:40,193 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-10 02:31:40,193 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 02:31:40,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 02:31:40,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 02:31:40,193 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-10 02:31:40,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-10 02:31:40,194 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-10 02:31:40,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-10 02:31:40,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:31:40,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-10 02:31:40,195 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-10 02:31:40,195 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-10 02:31:40,195 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-10 02:31:40,195 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-10 02:31:40,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 02:31:40,237 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 02:31:40,240 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 02:31:40,241 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 02:31:40,242 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 02:31:40,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,526 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGdc2820567 [2018-04-10 02:31:40,795 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 02:31:40,795 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 02:31:40,796 INFO L168 CDTParser]: Scanning 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,812 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 02:31:40,812 INFO L215 ultiparseSymbolTable]: [2018-04-10 02:31:40,812 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 02:31:40,812 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,812 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_f___________true_valid_memsafety_i__foo ('foo') in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,813 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 02:31:40,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____uint8_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____daddr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____key_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_int8_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____u_int in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__loff_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__quad_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____clockid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__clockid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____blkcnt_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____fd_mask in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__fsid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__int64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_int16_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_cond_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_spinlock_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__id_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____clock_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____WAIT_STATUS in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__dev_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_condattr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_attr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____u_quad_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____pid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__ushort in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____quad_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____fsblkcnt64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__wchar_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__register_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____int64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____useconds_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____swblk_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_barrier_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____nlink_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__timer_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_int32_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__sigset_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____gid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____sig_atomic_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____uid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__key_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____ssize_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____ino64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__int32_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__nlink_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__uint in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____uint64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__ssize_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_rwlockattr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____off_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____blkcnt64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__fd_mask in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__fsfilcnt_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____suseconds_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__time_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,819 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____rlim64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__caddr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____id_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_rwlock_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____qaddr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_int in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____blksize_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__blksize_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____int32_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,820 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__div_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____uint32_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__fsblkcnt_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____timer_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____off64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____time_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____intptr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_mutexattr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,821 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_quad_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__size_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____fsfilcnt_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__n in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____u_char in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__int16_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____fsblkcnt_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__int8_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_key_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,822 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__lldiv_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____rlim_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____socklen_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__uid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____pthread_list_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_barrierattr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__b in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__a in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,823 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__ldiv_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____fsfilcnt64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_mutex_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__ino_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_short in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__off_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,824 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__gid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____int8_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_char in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__blkcnt_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_int64_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____uint16_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__daddr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____mode_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,825 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pthread_once_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____u_long in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____int16_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____caddr_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____ino_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____dev_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____loff_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____sigset_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,826 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__fd_set in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____u_short in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i____fsid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__clock_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__suseconds_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__mode_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__ulong in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__u_long in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,827 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_f___________true_valid_memsafety_i__pid_t in 960521-1_1_true-valid-memsafety.i [2018-04-10 02:31:40,867 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGdc2820567 [2018-04-10 02:31:40,873 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 02:31:40,875 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-04-10 02:31:40,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 02:31:40,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 02:31:40,884 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 02:31:40,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 02:31:40" (1/1) ... [2018-04-10 02:31:40,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b63f462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:40, skipping insertion in model container [2018-04-10 02:31:40,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 02:31:40" (1/1) ... [2018-04-10 02:31:40,903 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 02:31:40,947 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 02:31:41,134 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 02:31:41,185 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 02:31:41,194 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-10 02:31:41,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41 WrapperNode [2018-04-10 02:31:41,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 02:31:41,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 02:31:41,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 02:31:41,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 02:31:41,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,287 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 02:31:41,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 02:31:41,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 02:31:41,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 02:31:41,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 02:31:41,448 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 02:31:41,449 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 02:31:41,449 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f___________true_valid_memsafety_i__foo [2018-04-10 02:31:41,449 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 02:31:41,449 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-10 02:31:41,449 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-10 02:31:41,449 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-10 02:31:41,450 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-10 02:31:41,450 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-10 02:31:41,450 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-10 02:31:41,450 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-10 02:31:41,450 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-10 02:31:41,450 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-10 02:31:41,450 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-10 02:31:41,451 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-10 02:31:41,451 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-10 02:31:41,451 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-10 02:31:41,451 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-10 02:31:41,451 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-10 02:31:41,451 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-10 02:31:41,452 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-10 02:31:41,452 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-10 02:31:41,452 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-10 02:31:41,452 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-10 02:31:41,452 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-10 02:31:41,452 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-10 02:31:41,453 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-10 02:31:41,453 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-10 02:31:41,453 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-10 02:31:41,453 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-10 02:31:41,453 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-10 02:31:41,454 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-10 02:31:41,455 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-10 02:31:41,455 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-10 02:31:41,455 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-10 02:31:41,455 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-10 02:31:41,455 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-10 02:31:41,455 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-10 02:31:41,455 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-10 02:31:41,456 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-10 02:31:41,456 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-10 02:31:41,456 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-10 02:31:41,456 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-10 02:31:41,456 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-10 02:31:41,456 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-10 02:31:41,456 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-10 02:31:41,457 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-10 02:31:41,458 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-10 02:31:41,459 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-10 02:31:41,460 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-10 02:31:41,461 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-10 02:31:41,461 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-10 02:31:41,461 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-10 02:31:41,461 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-10 02:31:41,461 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-10 02:31:41,461 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-10 02:31:41,461 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-10 02:31:41,462 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_f___________true_valid_memsafety_i__foo [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 02:31:41,463 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 02:31:41,464 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-10 02:31:41,858 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 02:31:41,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:31:41 BoogieIcfgContainer [2018-04-10 02:31:41,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 02:31:41,859 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2018-04-10 02:31:41,859 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2018-04-10 02:31:41,860 INFO L276 PluginConnector]: IcfgTransformer initialized [2018-04-10 02:31:41,863 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:31:41" (1/1) ... [2018-04-10 02:31:41,872 INFO L139 apSepIcfgTransformer]: HeapSepIcfgTransformer: Starting heap partitioning [2018-04-10 02:31:41,872 INFO L140 apSepIcfgTransformer]: To be partitioned heap arrays found [#memory_int] [2018-04-10 02:31:41,892 INFO L299 apSepIcfgTransformer]: Heap separator: starting memloc-array-style preprocessing [2018-04-10 02:31:41,910 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-10 02:31:41,918 INFO L332 apSepIcfgTransformer]: finished MemlocArrayUpdater, created 6 location literals (each corresponds to one heap write) [2018-04-10 02:31:41,928 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-10 02:31:41,939 INFO L412 apSepIcfgTransformer]: finished preprocessing for the equality analysis [2018-04-10 02:31:41,940 DEBUG L416 apSepIcfgTransformer]: storeIndexInfoToLocLiteral: Map: (Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|) : |mll_L638''_1| (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)) : mll_L626_3 (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) : mll_L626_2 (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2)) : mll_L628_5 (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) : mll_L628_4 (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|) : |mll_L638''_0| [2018-04-10 02:31:41,942 DEBUG L418 apSepIcfgTransformer]: edgeToIndexToStoreIndexInfo: NestedMap2: (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') : |v_main_#t~post6.base_3| : (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|) (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') : |v_main_#t~post6.offset_3| : (Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|) (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) : v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1 : (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) : (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1) : (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)) (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) : v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3 : (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) : (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2) : (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2)) [2018-04-10 02:31:41,995 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=1) [2018-04-10 02:33:10,464 INFO L314 AbstractInterpreter]: Visited 94 different actions 449 times. Merged at 65 different actions 250 times. Never widened. Found 19 fixpoints after 7 different actions. Largest state had 43 variables. [2018-04-10 02:33:10,466 INFO L424 apSepIcfgTransformer]: finished equality analysis [2018-04-10 02:33:10,474 INFO L195 HeapSepPreAnalysis]: Number of read from array group [#memory_int] : 5 [2018-04-10 02:33:10,474 INFO L434 apSepIcfgTransformer]: Finished pre analysis before partitioning [2018-04-10 02:33:10,474 INFO L435 apSepIcfgTransformer]: array groups: Set: [#memory_int] [2018-04-10 02:33:10,475 INFO L437 apSepIcfgTransformer]: select infos: Set: ((select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16) (- 8))), at (SUMMARY for call #t~mem8 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + (~__U_MULTI_f___________true_valid_memsafety_i__n~0 - 2) * 4, 4); srcloc: L640)) ((select |v_#memory_int_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628)) ((select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))), at (SUMMARY for call #t~mem7 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + -4, 4); srcloc: L639')) ((select |v_#memory_int_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626)) ((select |v_#memory_int_6| |v_main_#t~post6.base_3|), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'')) [2018-04-10 02:33:10,477 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,478 DEBUG L264 HeapPartitionManager]: (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) [2018-04-10 02:33:10,478 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,478 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,478 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,478 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16) (- 8))), at (SUMMARY for call #t~mem8 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + (~__U_MULTI_f___________true_valid_memsafety_i__n~0 - 2) * 4, 4); srcloc: L640)). [2018-04-10 02:33:10,478 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,478 DEBUG L264 HeapPartitionManager]: (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|) [2018-04-10 02:33:10,478 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,479 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,479 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,479 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16) (- 8))), at (SUMMARY for call #t~mem8 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + (~__U_MULTI_f___________true_valid_memsafety_i__n~0 - 2) * 4, 4); srcloc: L640)). [2018-04-10 02:33:10,479 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,479 DEBUG L264 HeapPartitionManager]: (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)) [2018-04-10 02:33:10,479 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,479 DEBUG L266 HeapPartitionManager]: (Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|) [2018-04-10 02:33:10,479 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 1 [2018-04-10 02:33:10,480 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16) (- 8))), at (SUMMARY for call #t~mem8 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + (~__U_MULTI_f___________true_valid_memsafety_i__n~0 - 2) * 4, 4); srcloc: L640)). [2018-04-10 02:33:10,480 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,480 DEBUG L264 HeapPartitionManager]: (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2)) [2018-04-10 02:33:10,480 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,480 DEBUG L266 HeapPartitionManager]: (Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|) [2018-04-10 02:33:10,480 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 1 [2018-04-10 02:33:10,480 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16) (- 8))), at (SUMMARY for call #t~mem8 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + (~__U_MULTI_f___________true_valid_memsafety_i__n~0 - 2) * 4, 4); srcloc: L640)). [2018-04-10 02:33:10,513 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,514 DEBUG L264 HeapPartitionManager]: (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) [2018-04-10 02:33:10,514 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,514 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,514 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,514 DEBUG L268 HeapPartitionManager]: at array read ((select |v_#memory_int_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628)). [2018-04-10 02:33:10,514 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,514 DEBUG L264 HeapPartitionManager]: (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|) [2018-04-10 02:33:10,515 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,515 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,515 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,515 DEBUG L268 HeapPartitionManager]: at array read ((select |v_#memory_int_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628)). [2018-04-10 02:33:10,516 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,516 DEBUG L264 HeapPartitionManager]: (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) [2018-04-10 02:33:10,516 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,516 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,516 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,516 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))), at (SUMMARY for call #t~mem7 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + -4, 4); srcloc: L639')). [2018-04-10 02:33:10,516 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,516 DEBUG L264 HeapPartitionManager]: (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|) [2018-04-10 02:33:10,516 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,517 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,517 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,517 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))), at (SUMMARY for call #t~mem7 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + -4, 4); srcloc: L639')). [2018-04-10 02:33:10,517 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,517 DEBUG L264 HeapPartitionManager]: (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)) [2018-04-10 02:33:10,517 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,517 DEBUG L266 HeapPartitionManager]: (Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|) [2018-04-10 02:33:10,517 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 1 [2018-04-10 02:33:10,517 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))), at (SUMMARY for call #t~mem7 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + -4, 4); srcloc: L639')). [2018-04-10 02:33:10,517 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,517 DEBUG L264 HeapPartitionManager]: (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2)) [2018-04-10 02:33:10,517 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,517 DEBUG L266 HeapPartitionManager]: (Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|) [2018-04-10 02:33:10,518 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 1 [2018-04-10 02:33:10,518 DEBUG L268 HeapPartitionManager]: at array read ((select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))), at (SUMMARY for call #t~mem7 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + -4, 4); srcloc: L639')). [2018-04-10 02:33:10,530 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,530 DEBUG L264 HeapPartitionManager]: (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) [2018-04-10 02:33:10,530 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,530 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,530 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,530 DEBUG L268 HeapPartitionManager]: at array read ((select |v_#memory_int_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626)). [2018-04-10 02:33:10,531 DEBUG L262 HeapPartitionManager]: merging partition blocks for array group[#memory_int] : [2018-04-10 02:33:10,531 DEBUG L264 HeapPartitionManager]: (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|) [2018-04-10 02:33:10,531 DEBUG L265 HeapPartitionManager]: and [2018-04-10 02:33:10,531 DEBUG L266 HeapPartitionManager]: (Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) [2018-04-10 02:33:10,531 DEBUG L267 HeapPartitionManager]: because of possible aliasing at dimension 0 [2018-04-10 02:33:10,531 DEBUG L268 HeapPartitionManager]: at array read ((select |v_#memory_int_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626)). [2018-04-10 02:33:10,550 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_1 [2018-04-10 02:33:10,550 DEBUG L374 HeapPartitionManager]: with contents [(Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|)] [2018-04-10 02:33:10,550 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_1 [2018-04-10 02:33:10,550 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16) (- 8))), at (SUMMARY for call #t~mem8 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + (~__U_MULTI_f___________true_valid_memsafety_i__n~0 - 2) * 4, 4); srcloc: L640)) [2018-04-10 02:33:10,551 DEBUG L325 HeapPartitionManager]: write locations: [(Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|)] [2018-04-10 02:33:10,551 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_0 [2018-04-10 02:33:10,551 DEBUG L374 HeapPartitionManager]: with contents [(Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|), (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)), (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2))] [2018-04-10 02:33:10,551 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_0 [2018-04-10 02:33:10,551 DEBUG L324 HeapPartitionManager]: at dimension 1 for ((select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16) (- 8))), at (SUMMARY for call #t~mem8 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + (~__U_MULTI_f___________true_valid_memsafety_i__n~0 - 2) * 4, 4); srcloc: L640)) [2018-04-10 02:33:10,551 DEBUG L325 HeapPartitionManager]: write locations: [(Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|), (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)), (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2))] [2018-04-10 02:33:10,551 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_1 [2018-04-10 02:33:10,552 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select |v_#memory_int_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628)) [2018-04-10 02:33:10,552 DEBUG L325 HeapPartitionManager]: write locations: [(Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|)] [2018-04-10 02:33:10,552 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_1 [2018-04-10 02:33:10,552 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))), at (SUMMARY for call #t~mem7 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + -4, 4); srcloc: L639')) [2018-04-10 02:33:10,552 DEBUG L325 HeapPartitionManager]: write locations: [(Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|)] [2018-04-10 02:33:10,552 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_0 [2018-04-10 02:33:10,552 DEBUG L324 HeapPartitionManager]: at dimension 1 for ((select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))), at (SUMMARY for call #t~mem7 := read~int(~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + -4, 4); srcloc: L639')) [2018-04-10 02:33:10,552 DEBUG L325 HeapPartitionManager]: write locations: [(Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|), (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)), (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2))] [2018-04-10 02:33:10,552 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_1 [2018-04-10 02:33:10,552 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select |v_#memory_int_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626)) [2018-04-10 02:33:10,552 DEBUG L325 HeapPartitionManager]: write locations: [(Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|)] [2018-04-10 02:33:10,553 DEBUG L373 HeapPartitionManager]: creating LocationBlock locs_30 [2018-04-10 02:33:10,553 DEBUG L374 HeapPartitionManager]: with contents [NoStoreIndexInfo] [2018-04-10 02:33:10,553 DEBUG L323 HeapPartitionManager]: adding LocationBlock locs_30 [2018-04-10 02:33:10,553 DEBUG L324 HeapPartitionManager]: at dimension 0 for ((select |v_#memory_int_6| |v_main_#t~post6.base_3|), at (SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'')) [2018-04-10 02:33:10,553 DEBUG L325 HeapPartitionManager]: write locations: [NoStoreIndexInfo] [2018-04-10 02:33:10,553 INFO L330 HeapPartitionManager]: partitioning result: [2018-04-10 02:33:10,553 INFO L335 HeapPartitionManager]: location blocks for array group [#memory_int] [2018-04-10 02:33:10,554 INFO L344 HeapPartitionManager]: at dimension 0 [2018-04-10 02:33:10,554 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 4 [2018-04-10 02:33:10,554 INFO L346 HeapPartitionManager]: # location blocks :2 [2018-04-10 02:33:10,554 DEBUG L353 HeapPartitionManager]: location block contents: [2018-04-10 02:33:10,554 DEBUG L356 HeapPartitionManager]: [(Store [3] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1), (Store [5] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3), (Store [0] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.base_3|)] [2018-04-10 02:33:10,554 DEBUG L356 HeapPartitionManager]: [NoStoreIndexInfo] [2018-04-10 02:33:10,554 INFO L344 HeapPartitionManager]: at dimension 1 [2018-04-10 02:33:10,555 INFO L345 HeapPartitionManager]: # array writes (possibly including 1 dummy write/NoStoreIndexInfo) : 3 [2018-04-10 02:33:10,555 INFO L346 HeapPartitionManager]: # location blocks :1 [2018-04-10 02:33:10,555 DEBUG L353 HeapPartitionManager]: location block contents: [2018-04-10 02:33:10,555 DEBUG L356 HeapPartitionManager]: [(Store [1] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, #t~post6.base, #t~post6.offset, 4); srcloc: L638'') with |v_main_#t~post6.offset_3|), (Store [2] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset + ~i~0 * 4, 4); srcloc: L626) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8) v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1)), (Store [4] at(SUMMARY for call write~int(~__U_MULTI_f___________true_valid_memsafety_i__n~0, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset + ~i~0 * 4, 4); srcloc: L628) with (+ (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15) v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2))] [2018-04-10 02:33:10,556 INFO L134 ransitionTransformer]: executing heap partitioning transformation [2018-04-10 02:33:10,559 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,560 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,560 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,560 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,560 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,560 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,560 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,560 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,561 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,561 DEBUG L331 ransitionTransformer]: Formula: (and (= |v_#NULL.offset_1| 0) (= |v_#NULL.base_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] [2018-04-10 02:33:10,561 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,561 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,561 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,561 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,562 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,562 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,562 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,562 DEBUG L331 ransitionTransformer]: Formula: (= v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_8 1) InVars {} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_8} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__n~0] [2018-04-10 02:33:10,562 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,562 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,563 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,563 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_5| (store |v_#valid_6| 0 0)) InVars {#valid=|v_#valid_6|} OutVars{#valid=|v_#valid_5|} AuxVars[] AssignedVars[#valid] [2018-04-10 02:33:10,563 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,563 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,564 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,564 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,564 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,564 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,564 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,564 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,564 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,565 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,565 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,565 DEBUG L331 ransitionTransformer]: Formula: (and (= v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_3 0) (= v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_4 0)) InVars {} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_4, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_3} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset] [2018-04-10 02:33:10,565 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,565 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,566 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,566 DEBUG L331 ransitionTransformer]: Formula: (and (<= |v_main_#t~nondet2_1| 2147483647) (<= 0 (+ |v_main_#t~nondet2_1| 2147483648))) InVars {main_#t~nondet2=|v_main_#t~nondet2_1|} OutVars{main_#t~nondet2=|v_main_#t~nondet2_1|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,566 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,566 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,567 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,567 DEBUG L331 ransitionTransformer]: Formula: (and (= (store |v_#length_6| |v_main_#t~malloc4.base_1| (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_13)) |v_#length_5|) (not (= |v_main_#t~malloc4.base_1| 0)) (= |v_main_#t~malloc4.offset_1| 0) (= 0 (select |v_#valid_8| |v_main_#t~malloc4.base_1|)) (= (store |v_#valid_8| |v_main_#t~malloc4.base_1| 1) |v_#valid_7|)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_13, #length=|v_#length_6|, #valid=|v_#valid_8|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_13, #length=|v_#length_5|, main_#t~malloc4.base=|v_main_#t~malloc4.base_1|, #valid=|v_#valid_7|, main_#t~malloc4.offset=|v_main_#t~malloc4.offset_1|} AuxVars[] AssignedVars[#valid, #length, main_#t~malloc4.base, main_#t~malloc4.offset] [2018-04-10 02:33:10,567 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,567 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,567 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,567 DEBUG L331 ransitionTransformer]: Formula: (and (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_4 0) (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_3 0)) InVars {} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_3, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_4} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base] [2018-04-10 02:33:10,568 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,568 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,568 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,568 DEBUG L331 ransitionTransformer]: Formula: (or (not (< v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_9 30)) (= |v_main_#t~nondet2_2| 0)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_9, main_#t~nondet2=|v_main_#t~nondet2_2|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_9, main_#t~nondet2=|v_main_#t~nondet2_2|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,568 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,568 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,569 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,569 DEBUG L331 ransitionTransformer]: Formula: (and (not (= |v_main_#t~nondet2_4| 0)) (< v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_10 30)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_10, main_#t~nondet2=|v_main_#t~nondet2_4|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_10, main_#t~nondet2=|v_main_#t~nondet2_4|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,569 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,569 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,569 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,570 DEBUG L331 ransitionTransformer]: Formula: (and (= v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_5 |v_main_#t~malloc4.base_2|) (= v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_4 |v_main_#t~malloc4.offset_2|)) InVars {main_#t~malloc4.base=|v_main_#t~malloc4.base_2|, main_#t~malloc4.offset=|v_main_#t~malloc4.offset_2|} OutVars{main_#t~malloc4.base=|v_main_#t~malloc4.base_2|, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_5, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_4, main_#t~malloc4.offset=|v_main_#t~malloc4.offset_2|} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__a~0.base, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset] [2018-04-10 02:33:10,570 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,570 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,570 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,570 DEBUG L331 ransitionTransformer]: Formula: (= v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_7 0) InVars {} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_7} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__n~0] [2018-04-10 02:33:10,570 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,570 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,571 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,571 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,571 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,571 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,571 DEBUG L356 ransitionTransformer]: {main_#t~nondet2=|v_main_#t~nondet2_3|} [2018-04-10 02:33:10,571 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,572 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,572 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,572 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,572 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,572 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,573 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,573 DEBUG L356 ransitionTransformer]: {main_#t~nondet2=|v_main_#t~nondet2_5|} [2018-04-10 02:33:10,573 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,573 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,573 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,574 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,574 DEBUG L331 ransitionTransformer]: Formula: (and (not (= 0 |v_main_#t~malloc5.base_1|)) (= (select |v_#valid_10| |v_main_#t~malloc5.base_1|) 0) (= (store |v_#length_8| |v_main_#t~malloc5.base_1| (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_14)) |v_#length_7|) (= |v_main_#t~malloc5.offset_1| 0) (= |v_#valid_9| (store |v_#valid_10| |v_main_#t~malloc5.base_1| 1))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_14, #length=|v_#length_8|, #valid=|v_#valid_10|} OutVars{main_#t~malloc5.offset=|v_main_#t~malloc5.offset_1|, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_14, #length=|v_#length_7|, main_#t~malloc5.base=|v_main_#t~malloc5.base_1|, #valid=|v_#valid_9|} AuxVars[] AssignedVars[main_#t~malloc5.offset, #valid, #length, main_#t~malloc5.base] [2018-04-10 02:33:10,574 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,574 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,574 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,574 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,575 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,575 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,575 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,575 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#t~post3_1| v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_11) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_11} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_11, main_#t~post3=|v_main_#t~post3_1|} AuxVars[] AssignedVars[main_#t~post3] [2018-04-10 02:33:10,575 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,575 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,576 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,576 DEBUG L331 ransitionTransformer]: Formula: (and (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_5 |v_main_#t~malloc5.base_2|) (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_4 |v_main_#t~malloc5.offset_2|)) InVars {main_#t~malloc5.offset=|v_main_#t~malloc5.offset_2|, main_#t~malloc5.base=|v_main_#t~malloc5.base_2|} OutVars{main_#t~malloc5.offset=|v_main_#t~malloc5.offset_2|, main_#t~malloc5.base=|v_main_#t~malloc5.base_2|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_4, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_5} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base] [2018-04-10 02:33:10,576 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,576 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,576 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,576 DEBUG L331 ransitionTransformer]: Formula: (= v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_12 (+ |v_main_#t~post3_2| 1)) InVars {main_#t~post3=|v_main_#t~post3_2|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_12, main_#t~post3=|v_main_#t~post3_2|} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__n~0] [2018-04-10 02:33:10,576 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,576 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,576 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,577 DEBUG L331 ransitionTransformer]: Formula: (and (= |v_main_#t~post6.base_1| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_6) (= |v_main_#t~post6.offset_1| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_5)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_5, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_6} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_5, main_#t~post6.base=|v_main_#t~post6.base_1|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_6, main_#t~post6.offset=|v_main_#t~post6.offset_1|} AuxVars[] AssignedVars[main_#t~post6.base, main_#t~post6.offset] [2018-04-10 02:33:10,577 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,577 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,577 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,577 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,577 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,577 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,577 DEBUG L356 ransitionTransformer]: {main_#t~post3=|v_main_#t~post3_3|} [2018-04-10 02:33:10,577 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,577 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,578 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,578 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,578 DEBUG L331 ransitionTransformer]: Formula: (and (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_7 |v_main_#t~post6.base_2|) (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_6 (+ |v_main_#t~post6.offset_2| 4))) InVars {main_#t~post6.base=|v_main_#t~post6.base_2|, main_#t~post6.offset=|v_main_#t~post6.offset_2|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_6, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_7, main_#t~post6.base=|v_main_#t~post6.base_2|, main_#t~post6.offset=|v_main_#t~post6.offset_2|} AuxVars[] AssignedVars[~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base] [2018-04-10 02:33:10,578 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,578 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,581 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,582 DEBUG L331 ransitionTransformer]: Formula: (and (<= 0 |v_main_#t~post6.offset_3|) (= |v_#memory_int_part_locs_1_locs_0_1| (store |v_#memory_int_part_locs_1_locs_0_2| |v_main_#t~post6.base_3| (store (select |v_#memory_int_part_locs_30_locs_0_2| |v_main_#t~post6.base_3|) |v_main_#t~post6.offset_3| v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15))) (<= (+ |v_main_#t~post6.offset_3| 4) (select |v_#length_9| |v_main_#t~post6.base_3|)) (= 1 (select |v_#valid_11| |v_main_#t~post6.base_3|))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15, #memory_int_part_locs_30_locs_0=|v_#memory_int_part_locs_30_locs_0_2|, #valid=|v_#valid_11|, #length=|v_#length_9|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_2|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15, #memory_int_part_locs_30_locs_0=|v_#memory_int_part_locs_30_locs_0_2|, #valid=|v_#valid_11|, #length=|v_#length_9|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_1|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} AuxVars[] AssignedVars[#memory_int_part_locs_1_locs_0] [2018-04-10 02:33:10,582 DEBUG L338 ransitionTransformer]: formula has changed [2018-04-10 02:33:10,582 DEBUG L339 ransitionTransformer]: old formula: [2018-04-10 02:33:10,582 DEBUG L340 ransitionTransformer]: (and (<= 0 |v_main_#t~post6.offset_3|) (= |v_#memory_int_5| (store |v_#memory_int_6| |v_main_#t~post6.base_3| (store (select |v_#memory_int_6| |v_main_#t~post6.base_3|) |v_main_#t~post6.offset_3| v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15))) (<= (+ |v_main_#t~post6.offset_3| 4) (select |v_#length_9| |v_main_#t~post6.base_3|)) (= 1 (select |v_#valid_11| |v_main_#t~post6.base_3|))) [2018-04-10 02:33:10,582 DEBUG L341 ransitionTransformer]: new formula: [2018-04-10 02:33:10,583 DEBUG L342 ransitionTransformer]: (and (<= 0 |v_main_#t~post6.offset_3|) (= |v_#memory_int_part_locs_1_locs_0_1| (store |v_#memory_int_part_locs_1_locs_0_2| |v_main_#t~post6.base_3| (store (select |v_#memory_int_part_locs_30_locs_0_2| |v_main_#t~post6.base_3|) |v_main_#t~post6.offset_3| v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15))) (<= (+ |v_main_#t~post6.offset_3| 4) (select |v_#length_9| |v_main_#t~post6.base_3|)) (= 1 (select |v_#valid_11| |v_main_#t~post6.base_3|))) [2018-04-10 02:33:10,583 DEBUG L346 ransitionTransformer]: invars have changed [2018-04-10 02:33:10,583 DEBUG L347 ransitionTransformer]: old invars: [2018-04-10 02:33:10,583 DEBUG L348 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15, #valid=|v_#valid_11|, #memory_int=|v_#memory_int_6|, #length=|v_#length_9|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} [2018-04-10 02:33:10,583 DEBUG L349 ransitionTransformer]: new invars: [2018-04-10 02:33:10,583 DEBUG L350 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15, #memory_int_part_locs_30_locs_0=|v_#memory_int_part_locs_30_locs_0_2|, #valid=|v_#valid_11|, #length=|v_#length_9|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_2|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} [2018-04-10 02:33:10,584 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,584 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,584 DEBUG L356 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15, #valid=|v_#valid_11|, #memory_int=|v_#memory_int_5|, #length=|v_#length_9|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} [2018-04-10 02:33:10,584 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,584 DEBUG L358 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_15, #memory_int_part_locs_30_locs_0=|v_#memory_int_part_locs_30_locs_0_2|, #valid=|v_#valid_11|, #length=|v_#length_9|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_1|, main_#t~post6.base=|v_main_#t~post6.base_3|, main_#t~post6.offset=|v_main_#t~post6.offset_3|} [2018-04-10 02:33:10,584 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,585 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,585 DEBUG L331 ransitionTransformer]: Formula: (not (= 1 (select |v_#valid_12| |v_main_#t~post6.base_4|))) InVars {main_#t~post6.base=|v_main_#t~post6.base_4|, #valid=|v_#valid_12|} OutVars{main_#t~post6.base=|v_main_#t~post6.base_4|, #valid=|v_#valid_12|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,585 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,585 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,585 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,585 DEBUG L331 ransitionTransformer]: Formula: (or (not (<= (+ |v_main_#t~post6.offset_4| 4) (select |v_#length_10| |v_main_#t~post6.base_5|))) (not (<= 0 |v_main_#t~post6.offset_4|))) InVars {#length=|v_#length_10|, main_#t~post6.base=|v_main_#t~post6.base_5|, main_#t~post6.offset=|v_main_#t~post6.offset_4|} OutVars{#length=|v_#length_10|, main_#t~post6.base=|v_main_#t~post6.base_5|, main_#t~post6.offset=|v_main_#t~post6.offset_4|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,585 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,585 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,586 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,586 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,586 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,586 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,586 DEBUG L356 ransitionTransformer]: {main_#t~post6.base=|v_main_#t~post6.base_6|, main_#t~post6.offset=|v_main_#t~post6.offset_5|} [2018-04-10 02:33:10,586 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,586 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,586 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,586 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,587 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,587 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,587 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,587 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,587 DEBUG L331 ransitionTransformer]: Formula: (and (<= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (select |v_#length_11| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8)) (= 1 (select |v_#valid_13| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8)) (<= 4 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7) (= |v_main_#t~mem7_1| (select (select |v_#memory_int_part_locs_1_locs_0_3| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))))) InVars {#length=|v_#length_11|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_3|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8, #valid=|v_#valid_13|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7, #valid=|v_#valid_13|, main_#t~mem7=|v_main_#t~mem7_1|, #length=|v_#length_11|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_3|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8} AuxVars[] AssignedVars[main_#t~mem7] [2018-04-10 02:33:10,588 DEBUG L338 ransitionTransformer]: formula has changed [2018-04-10 02:33:10,588 DEBUG L339 ransitionTransformer]: old formula: [2018-04-10 02:33:10,588 DEBUG L340 ransitionTransformer]: (and (<= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (select |v_#length_11| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8)) (= 1 (select |v_#valid_13| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8)) (<= 4 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7) (= |v_main_#t~mem7_1| (select (select |v_#memory_int_9| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))))) [2018-04-10 02:33:10,588 DEBUG L341 ransitionTransformer]: new formula: [2018-04-10 02:33:10,588 DEBUG L342 ransitionTransformer]: (and (<= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (select |v_#length_11| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8)) (= 1 (select |v_#valid_13| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8)) (<= 4 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7) (= |v_main_#t~mem7_1| (select (select |v_#memory_int_part_locs_1_locs_0_3| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7 (- 4))))) [2018-04-10 02:33:10,588 DEBUG L346 ransitionTransformer]: invars have changed [2018-04-10 02:33:10,588 DEBUG L347 ransitionTransformer]: old invars: [2018-04-10 02:33:10,588 DEBUG L348 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7, #valid=|v_#valid_13|, #memory_int=|v_#memory_int_9|, #length=|v_#length_11|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8} [2018-04-10 02:33:10,588 DEBUG L349 ransitionTransformer]: new invars: [2018-04-10 02:33:10,588 DEBUG L350 ransitionTransformer]: {#length=|v_#length_11|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_3|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8, #valid=|v_#valid_13|} [2018-04-10 02:33:10,588 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,589 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,589 DEBUG L356 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7, #valid=|v_#valid_13|, main_#t~mem7=|v_main_#t~mem7_1|, #memory_int=|v_#memory_int_9|, #length=|v_#length_11|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8} [2018-04-10 02:33:10,589 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,589 DEBUG L358 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_7, #valid=|v_#valid_13|, main_#t~mem7=|v_main_#t~mem7_1|, #length=|v_#length_11|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_3|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_8} [2018-04-10 02:33:10,589 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,589 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,589 DEBUG L331 ransitionTransformer]: Formula: (not (= 1 (select |v_#valid_14| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_9))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_9, #valid=|v_#valid_14|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_9, #valid=|v_#valid_14|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,589 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,589 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,590 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,590 DEBUG L331 ransitionTransformer]: Formula: (or (not (<= 4 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_8)) (not (<= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_8 (select |v_#length_12| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_10)))) InVars {#length=|v_#length_12|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_8, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_10} OutVars{#length=|v_#length_12|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_8, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_10} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,590 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,590 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,590 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,590 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,590 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,590 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,590 DEBUG L356 ransitionTransformer]: {__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_1} [2018-04-10 02:33:10,590 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,590 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,591 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,591 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,591 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse1 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16))) (let ((.cse0 (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 .cse1))) (and (<= 8 .cse0) (<= .cse0 (+ (select |v_#length_13| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) 4)) (= (select (select |v_#memory_int_part_locs_1_locs_0_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 .cse1 (- 8))) |v_main_#t~mem8_1|) (= 1 (select |v_#valid_15| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11))))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9, #valid=|v_#valid_15|, #length=|v_#length_13|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_4|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9, #valid=|v_#valid_15|, main_#t~mem8=|v_main_#t~mem8_1|, #length=|v_#length_13|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_4|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11} AuxVars[] AssignedVars[main_#t~mem8] [2018-04-10 02:33:10,592 DEBUG L338 ransitionTransformer]: formula has changed [2018-04-10 02:33:10,592 DEBUG L339 ransitionTransformer]: old formula: [2018-04-10 02:33:10,592 DEBUG L340 ransitionTransformer]: (let ((.cse1 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16))) (let ((.cse0 (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 .cse1))) (and (<= 8 .cse0) (<= .cse0 (+ (select |v_#length_13| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) 4)) (= (select (select |v_#memory_int_10| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 .cse1 (- 8))) |v_main_#t~mem8_1|) (= 1 (select |v_#valid_15| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11))))) [2018-04-10 02:33:10,592 DEBUG L341 ransitionTransformer]: new formula: [2018-04-10 02:33:10,592 DEBUG L342 ransitionTransformer]: (let ((.cse1 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16))) (let ((.cse0 (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 .cse1))) (and (<= 8 .cse0) (<= .cse0 (+ (select |v_#length_13| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) 4)) (= (select (select |v_#memory_int_part_locs_1_locs_0_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11) (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9 .cse1 (- 8))) |v_main_#t~mem8_1|) (= 1 (select |v_#valid_15| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11))))) [2018-04-10 02:33:10,592 DEBUG L346 ransitionTransformer]: invars have changed [2018-04-10 02:33:10,593 DEBUG L347 ransitionTransformer]: old invars: [2018-04-10 02:33:10,593 DEBUG L348 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9, #valid=|v_#valid_15|, #memory_int=|v_#memory_int_10|, #length=|v_#length_13|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11} [2018-04-10 02:33:10,593 DEBUG L349 ransitionTransformer]: new invars: [2018-04-10 02:33:10,593 DEBUG L350 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9, #valid=|v_#valid_15|, #length=|v_#length_13|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_4|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11} [2018-04-10 02:33:10,593 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,593 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,593 DEBUG L356 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9, #valid=|v_#valid_15|, #memory_int=|v_#memory_int_10|, main_#t~mem8=|v_main_#t~mem8_1|, #length=|v_#length_13|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11} [2018-04-10 02:33:10,594 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,594 DEBUG L358 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_16, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_9, #valid=|v_#valid_15|, main_#t~mem8=|v_main_#t~mem8_1|, #length=|v_#length_13|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_4|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_11} [2018-04-10 02:33:10,594 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,594 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,594 DEBUG L331 ransitionTransformer]: Formula: (not (= 1 (select |v_#valid_16| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_12))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_12, #valid=|v_#valid_16|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_12, #valid=|v_#valid_16|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,594 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,595 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,602 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,602 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_10 (* 4 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_17)))) (or (not (<= 8 .cse0)) (not (<= .cse0 (+ (select |v_#length_14| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_13) 4))))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_17, #length=|v_#length_14|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_10, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_13} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_17, #length=|v_#length_14|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_10, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_13} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,603 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,603 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,603 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,603 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_2 0) InVars {} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_2} AuxVars[] AssignedVars[__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0] [2018-04-10 02:33:10,603 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,604 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,604 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,604 DEBUG L331 ransitionTransformer]: Formula: (not (= (+ |v_main_#t~mem7_2| (* (- 1) |v_main_#t~mem8_2|)) 0)) InVars {main_#t~mem7=|v_main_#t~mem7_2|, main_#t~mem8=|v_main_#t~mem8_2|} OutVars{main_#t~mem7=|v_main_#t~mem7_2|, main_#t~mem8=|v_main_#t~mem8_2|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,604 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,604 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,604 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,605 DEBUG L331 ransitionTransformer]: Formula: (= (+ (* (- 1) |v_main_#t~mem8_4|) |v_main_#t~mem7_4|) 0) InVars {main_#t~mem7=|v_main_#t~mem7_4|, main_#t~mem8=|v_main_#t~mem8_4|} OutVars{main_#t~mem7=|v_main_#t~mem7_4|, main_#t~mem8=|v_main_#t~mem8_4|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,605 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,605 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,605 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,605 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,605 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,606 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,606 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,611 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,611 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,611 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,611 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,612 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,612 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,612 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,612 DEBUG L356 ransitionTransformer]: {main_#t~mem8=|v_main_#t~mem8_3|} [2018-04-10 02:33:10,612 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,612 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,613 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,613 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,613 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,613 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,613 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,613 DEBUG L356 ransitionTransformer]: {main_#t~mem8=|v_main_#t~mem8_5|} [2018-04-10 02:33:10,613 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,614 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,614 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,614 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,614 DEBUG L331 ransitionTransformer]: Formula: (not (< v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_6 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_1)) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_6, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_1} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_6, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_1} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,614 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,614 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,615 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,615 DEBUG L331 ransitionTransformer]: Formula: (< v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_7 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_2) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_7, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_2} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_7, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_2} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,615 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,615 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,615 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,617 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_12 0) InVars {} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_12} AuxVars[] AssignedVars[__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0] [2018-04-10 02:33:10,617 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,617 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,618 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,618 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,618 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,618 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,618 DEBUG L356 ransitionTransformer]: {main_#t~mem7=|v_main_#t~mem7_3|} [2018-04-10 02:33:10,618 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,618 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,618 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,618 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,618 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,619 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,619 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,619 DEBUG L356 ransitionTransformer]: {main_#t~mem7=|v_main_#t~mem7_5|} [2018-04-10 02:33:10,619 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,619 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,619 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,621 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,621 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8))) (let ((.cse1 (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1))) (and (<= (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1 4) (select |v_#length_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1)) (<= 0 .cse1) (= (store |v_#memory_int_part_locs_1_locs_0_5| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1 (store (select |v_#memory_int_part_locs_1_locs_0_5| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) .cse1 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3)) |v_#memory_int_part_locs_1_locs_0_6|) (= 1 (select |v_#valid_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1))))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1, #valid=|v_#valid_2|, #length=|v_#length_2|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_5|, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1, #valid=|v_#valid_2|, #length=|v_#length_2|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_6|, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1} AuxVars[] AssignedVars[#memory_int_part_locs_1_locs_0] [2018-04-10 02:33:10,622 DEBUG L338 ransitionTransformer]: formula has changed [2018-04-10 02:33:10,622 DEBUG L339 ransitionTransformer]: old formula: [2018-04-10 02:33:10,622 DEBUG L340 ransitionTransformer]: (let ((.cse0 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8))) (let ((.cse1 (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1))) (and (<= (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1 4) (select |v_#length_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1)) (<= 0 .cse1) (= (store |v_#memory_int_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1 (store (select |v_#memory_int_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) .cse1 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3)) |v_#memory_int_1|) (= 1 (select |v_#valid_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1))))) [2018-04-10 02:33:10,622 DEBUG L341 ransitionTransformer]: new formula: [2018-04-10 02:33:10,622 DEBUG L342 ransitionTransformer]: (let ((.cse0 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8))) (let ((.cse1 (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1))) (and (<= (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1 4) (select |v_#length_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1)) (<= 0 .cse1) (= (store |v_#memory_int_part_locs_1_locs_0_5| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1 (store (select |v_#memory_int_part_locs_1_locs_0_5| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1) .cse1 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3)) |v_#memory_int_part_locs_1_locs_0_6|) (= 1 (select |v_#valid_2| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1))))) [2018-04-10 02:33:10,622 DEBUG L346 ransitionTransformer]: invars have changed [2018-04-10 02:33:10,622 DEBUG L347 ransitionTransformer]: old invars: [2018-04-10 02:33:10,622 DEBUG L348 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_2|, #length=|v_#length_2|, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1} [2018-04-10 02:33:10,622 DEBUG L349 ransitionTransformer]: new invars: [2018-04-10 02:33:10,623 DEBUG L350 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1, #valid=|v_#valid_2|, #length=|v_#length_2|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_5|, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1} [2018-04-10 02:33:10,623 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,623 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,623 DEBUG L356 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1, #valid=|v_#valid_2|, #memory_int=|v_#memory_int_1|, #length=|v_#length_2|, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1} [2018-04-10 02:33:10,623 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,623 DEBUG L358 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_3, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_8, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_1, #valid=|v_#valid_2|, #length=|v_#length_2|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_6|, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_1} [2018-04-10 02:33:10,623 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,623 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,623 DEBUG L331 ransitionTransformer]: Formula: (not (= (select |v_#valid_3| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_2) 1)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_2, #valid=|v_#valid_3|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_2, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,624 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,624 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,624 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,624 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_9))) (or (not (<= (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_2 4) (select |v_#length_3| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_3))) (not (<= 0 (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_2))))) InVars {#length=|v_#length_3|, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_9, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_3, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_2} OutVars{#length=|v_#length_3|, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_9, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_3, ~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_2} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,624 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,624 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,624 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,624 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,624 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,625 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,625 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,625 DEBUG L331 ransitionTransformer]: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,625 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,625 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,625 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,625 DEBUG L331 ransitionTransformer]: Formula: (not (= 0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_5)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_5} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_5} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,625 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,625 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,625 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,626 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,626 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,626 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,626 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,626 DEBUG L331 ransitionTransformer]: Formula: (not (= 0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_7)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_7} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.offset_7} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,626 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,626 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,626 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,626 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,626 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,626 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,627 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,627 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0_1| v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_10) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_10} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_10, __U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0_1|} AuxVars[] AssignedVars[__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0] [2018-04-10 02:33:10,627 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,627 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,627 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,627 DEBUG L331 ransitionTransformer]: Formula: (not (< (+ v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_13 1) v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_4)) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_13, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_4} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_13, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_4} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,627 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,627 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,628 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,628 DEBUG L331 ransitionTransformer]: Formula: (< (+ v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_14 1) v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_5) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_14, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_5} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_14, ~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_5} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,628 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,628 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,628 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,628 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,628 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,628 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,629 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,629 DEBUG L331 ransitionTransformer]: Formula: (and (not (= 1 (select |v_#valid_17| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_6))) (not (= 0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_6))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_6, #valid=|v_#valid_17|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_6, #valid=|v_#valid_17|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,629 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,629 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,629 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,629 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,630 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,630 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,630 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,630 DEBUG L331 ransitionTransformer]: Formula: (and (not (= 1 (select |v_#valid_23| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_8))) (not (= 0 v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_8))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_8, #valid=|v_#valid_23|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_8, #valid=|v_#valid_23|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,630 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,630 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,630 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,631 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,631 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,631 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,631 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,631 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_11 (+ |v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0_2| 1)) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0_2|} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_11, __U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0_2|} AuxVars[] AssignedVars[__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0] [2018-04-10 02:33:10,631 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,631 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,632 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,632 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15))) (let ((.cse1 (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2))) (and (<= (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2 4) (select |v_#length_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3)) (<= 0 .cse1) (= 1 (select |v_#valid_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3)) (= |v_#memory_int_part_locs_1_locs_0_7| (store |v_#memory_int_part_locs_1_locs_0_8| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3 (store (select |v_#memory_int_part_locs_1_locs_0_8| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) .cse1 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6)))))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2, #valid=|v_#valid_4|, #length=|v_#length_4|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_8|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2, #valid=|v_#valid_4|, #length=|v_#length_4|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_7|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3} AuxVars[] AssignedVars[#memory_int_part_locs_1_locs_0] [2018-04-10 02:33:10,633 DEBUG L338 ransitionTransformer]: formula has changed [2018-04-10 02:33:10,633 DEBUG L339 ransitionTransformer]: old formula: [2018-04-10 02:33:10,633 DEBUG L340 ransitionTransformer]: (let ((.cse1 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15))) (let ((.cse0 (+ .cse1 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2))) (and (= |v_#memory_int_3| (store |v_#memory_int_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3 (store (select |v_#memory_int_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6))) (<= (+ .cse1 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2 4) (select |v_#length_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3)) (<= 0 .cse0) (= 1 (select |v_#valid_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3))))) [2018-04-10 02:33:10,633 DEBUG L341 ransitionTransformer]: new formula: [2018-04-10 02:33:10,633 DEBUG L342 ransitionTransformer]: (let ((.cse0 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15))) (let ((.cse1 (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2))) (and (<= (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2 4) (select |v_#length_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3)) (<= 0 .cse1) (= 1 (select |v_#valid_4| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3)) (= |v_#memory_int_part_locs_1_locs_0_7| (store |v_#memory_int_part_locs_1_locs_0_8| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3 (store (select |v_#memory_int_part_locs_1_locs_0_8| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3) .cse1 v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6)))))) [2018-04-10 02:33:10,633 DEBUG L346 ransitionTransformer]: invars have changed [2018-04-10 02:33:10,633 DEBUG L347 ransitionTransformer]: old invars: [2018-04-10 02:33:10,633 DEBUG L348 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_4|, #length=|v_#length_4|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3} [2018-04-10 02:33:10,633 DEBUG L349 ransitionTransformer]: new invars: [2018-04-10 02:33:10,634 DEBUG L350 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2, #valid=|v_#valid_4|, #length=|v_#length_4|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_8|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3} [2018-04-10 02:33:10,634 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,634 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,634 DEBUG L356 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2, #valid=|v_#valid_4|, #memory_int=|v_#memory_int_3|, #length=|v_#length_4|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3} [2018-04-10 02:33:10,634 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,634 DEBUG L358 ransitionTransformer]: {~__U_MULTI_f___________true_valid_memsafety_i__n~0=v_~__U_MULTI_f___________true_valid_memsafety_i__n~0_6, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_15, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_2, #valid=|v_#valid_4|, #length=|v_#length_4|, #memory_int_part_locs_1_locs_0=|v_#memory_int_part_locs_1_locs_0_7|, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_3} [2018-04-10 02:33:10,634 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,634 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,635 DEBUG L331 ransitionTransformer]: Formula: (not (= (select |v_#valid_1| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_1) 1)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_1, #valid=|v_#valid_1|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_1, #valid=|v_#valid_1|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,635 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,635 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,635 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,635 DEBUG L331 ransitionTransformer]: Formula: (let ((.cse0 (* 4 v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_3))) (or (not (<= 0 (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_1))) (not (<= (+ .cse0 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_1 4) (select |v_#length_1| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_2))))) InVars {#length=|v_#length_1|, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_3, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_1, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_2} OutVars{#length=|v_#length_1|, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_3, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_1, ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_2} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,635 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,635 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,636 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,636 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_18| (store |v_#valid_19| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_7 0)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_7, #valid=|v_#valid_19|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_7, #valid=|v_#valid_18|} AuxVars[] AssignedVars[#valid] [2018-04-10 02:33:10,636 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,636 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,637 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,637 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_24| (store |v_#valid_25| v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_9 0)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_9, #valid=|v_#valid_25|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__a~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base_9, #valid=|v_#valid_24|} AuxVars[] AssignedVars[#valid] [2018-04-10 02:33:10,637 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,637 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,637 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,637 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,637 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,638 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,638 DEBUG L356 ransitionTransformer]: {__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post0_3|} [2018-04-10 02:33:10,638 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,638 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,638 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,638 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,638 DEBUG L331 ransitionTransformer]: Formula: (= |v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1_1| v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_4) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_4} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1_1|, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_4} AuxVars[] AssignedVars[__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1] [2018-04-10 02:33:10,638 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,639 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,639 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,639 DEBUG L331 ransitionTransformer]: Formula: (not (= 0 v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_11)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_11} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_11} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,639 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,639 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,639 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,639 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,640 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,640 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,640 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,640 DEBUG L331 ransitionTransformer]: Formula: (not (= 0 (+ v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_13 (- 4)))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_13} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.offset_13} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,640 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,640 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,641 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,641 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,641 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,641 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,641 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,641 DEBUG L331 ransitionTransformer]: Formula: (= v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_5 (+ |v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1_2| 1)) InVars {__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1_2|} OutVars{__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1_2|, __U_MULTI_f___________true_valid_memsafety_i__foo_~i~0=v___U_MULTI_f___________true_valid_memsafety_i__foo_~i~0_5} AuxVars[] AssignedVars[__U_MULTI_f___________true_valid_memsafety_i__foo_~i~0] [2018-04-10 02:33:10,642 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,642 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,642 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,642 DEBUG L331 ransitionTransformer]: Formula: (and (not (= 1 (select |v_#valid_20| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_14))) (not (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_14 0))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_14, #valid=|v_#valid_20|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_14, #valid=|v_#valid_20|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,642 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,642 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,643 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,644 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,644 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,645 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,645 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,645 DEBUG L331 ransitionTransformer]: Formula: (and (not (= 1 (select |v_#valid_26| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_16))) (not (= v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_16 0))) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_16, #valid=|v_#valid_26|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_16, #valid=|v_#valid_26|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,645 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,645 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,646 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,646 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,646 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,646 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,646 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,646 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,647 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,647 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,647 DEBUG L356 ransitionTransformer]: {__U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1=|v___U_MULTI_f___________true_valid_memsafety_i__foo_#t~post1_3|} [2018-04-10 02:33:10,647 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,647 DEBUG L358 ransitionTransformer]: {} [2018-04-10 02:33:10,647 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,648 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,649 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_21| (store |v_#valid_22| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_15 0)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_15, #valid=|v_#valid_22|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_15, #valid=|v_#valid_21|} AuxVars[] AssignedVars[#valid] [2018-04-10 02:33:10,649 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,649 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,650 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,650 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_27| (store |v_#valid_28| v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_17 0)) InVars {~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_17, #valid=|v_#valid_28|} OutVars{~__U_MULTI_f___________true_valid_memsafety_i__b~0.base=v_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base_17, #valid=|v_#valid_27|} AuxVars[] AssignedVars[#valid] [2018-04-10 02:33:10,650 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,650 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,650 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,650 DEBUG L331 ransitionTransformer]: Formula: (= |v_main_#res_1| 0) InVars {} OutVars{main_#res=|v_main_#res_1|} AuxVars[] AssignedVars[main_#res] [2018-04-10 02:33:10,651 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,651 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,651 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,651 DEBUG L331 ransitionTransformer]: Formula: (= |v_#valid_29| |old(#valid)|) InVars {#valid=|v_#valid_29|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_29|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,651 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,651 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,652 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,652 DEBUG L331 ransitionTransformer]: Formula: (not (= |v_#valid_30| |old(#valid)|)) InVars {#valid=|v_#valid_30|, old(#valid)=|old(#valid)|} OutVars{#valid=|v_#valid_30|, old(#valid)=|old(#valid)|} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,652 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,652 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,652 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,652 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,653 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,653 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,653 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,653 DEBUG L331 ransitionTransformer]: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] [2018-04-10 02:33:10,653 DEBUG L334 ransitionTransformer]: transformula unchanged [2018-04-10 02:33:10,653 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,654 DEBUG L330 ransitionTransformer]: transformed transition [2018-04-10 02:33:10,654 DEBUG L331 ransitionTransformer]: Formula: (= |v_ULTIMATE.start_#t~ret9_2| |v_main_#resOutParam_1|) InVars {main_#res=|v_main_#resOutParam_1|} OutVars{ULTIMATE.start_#t~ret9=|v_ULTIMATE.start_#t~ret9_2|, main_#res=|v_main_#resOutParam_1|} AuxVars[] AssignedVars[ULTIMATE.start_#t~ret9] [2018-04-10 02:33:10,654 DEBUG L354 ransitionTransformer]: outvars have changed [2018-04-10 02:33:10,654 DEBUG L355 ransitionTransformer]: old outvars: [2018-04-10 02:33:10,654 DEBUG L356 ransitionTransformer]: {ULTIMATE.start_#t~ret9=|v_ULTIMATE.start_#t~ret9_2|} [2018-04-10 02:33:10,654 DEBUG L357 ransitionTransformer]: new outvars: [2018-04-10 02:33:10,654 DEBUG L358 ransitionTransformer]: {ULTIMATE.start_#t~ret9=|v_ULTIMATE.start_#t~ret9_2|, main_#res=|v_main_#resOutParam_1|} [2018-04-10 02:33:10,654 DEBUG L360 ransitionTransformer]: [2018-04-10 02:33:10,655 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 112 non ball SCCs. Number of states in SCCs 112. [2018-04-10 02:33:10,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.04 02:33:10 BasicIcfg [2018-04-10 02:33:10,679 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2018-04-10 02:33:10,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 02:33:10,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 02:33:10,683 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 02:33:10,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 02:31:40" (1/4) ... [2018-04-10 02:33:10,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d09c87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 02:33:10, skipping insertion in model container [2018-04-10 02:33:10,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 02:31:41" (2/4) ... [2018-04-10 02:33:10,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d09c87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 02:33:10, skipping insertion in model container [2018-04-10 02:33:10,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 02:31:41" (3/4) ... [2018-04-10 02:33:10,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d09c87d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 02:33:10, skipping insertion in model container [2018-04-10 02:33:10,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.04 02:33:10" (4/4) ... [2018-04-10 02:33:10,685 INFO L107 eAbstractionObserver]: Analyzing ICFG memPartitionedIcfg [2018-04-10 02:33:10,694 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-10 02:33:10,703 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-04-10 02:33:10,737 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 02:33:10,737 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 02:33:10,737 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-10 02:33:10,738 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-10 02:33:10,738 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-10 02:33:10,738 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 02:33:10,738 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 02:33:10,738 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 02:33:10,738 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 02:33:10,738 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 02:33:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states. [2018-04-10 02:33:10,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-10 02:33:10,757 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:10,759 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:10,760 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:10,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1745388129, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:10,779 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:10,838 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:10,854 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:10,894 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:10,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-10 02:33:10,896 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-10 02:33:10,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-10 02:33:10,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-10 02:33:10,905 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 2 states. [2018-04-10 02:33:10,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:10,930 INFO L93 Difference]: Finished difference Result 156 states and 167 transitions. [2018-04-10 02:33:10,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-10 02:33:10,931 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-04-10 02:33:10,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:10,939 INFO L225 Difference]: With dead ends: 156 [2018-04-10 02:33:10,939 INFO L226 Difference]: Without dead ends: 84 [2018-04-10 02:33:10,942 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-10 02:33:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-10 02:33:10,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-10 02:33:10,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-10 02:33:10,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 87 transitions. [2018-04-10 02:33:10,979 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 87 transitions. Word has length 18 [2018-04-10 02:33:10,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:10,979 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 87 transitions. [2018-04-10 02:33:10,979 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-10 02:33:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 87 transitions. [2018-04-10 02:33:10,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 02:33:10,980 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:10,981 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:10,981 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:10,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1297615598, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:10,988 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:11,016 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:11,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 02:33:11,054 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:11,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:11,058 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 02:33:11,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:11,077 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:11,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:11,106 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:11,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-10 02:33:11,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 02:33:11,108 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 02:33:11,109 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-10 02:33:11,109 INFO L87 Difference]: Start difference. First operand 84 states and 87 transitions. Second operand 5 states. [2018-04-10 02:33:11,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:11,243 INFO L93 Difference]: Finished difference Result 84 states and 87 transitions. [2018-04-10 02:33:11,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 02:33:11,244 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-10 02:33:11,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:11,246 INFO L225 Difference]: With dead ends: 84 [2018-04-10 02:33:11,246 INFO L226 Difference]: Without dead ends: 80 [2018-04-10 02:33:11,247 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 02:33:11,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-10 02:33:11,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-10 02:33:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-10 02:33:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 83 transitions. [2018-04-10 02:33:11,255 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 83 transitions. Word has length 21 [2018-04-10 02:33:11,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:11,256 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 83 transitions. [2018-04-10 02:33:11,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 02:33:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2018-04-10 02:33:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-10 02:33:11,257 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:11,257 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:11,257 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:11,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1297615597, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:11,271 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:11,295 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:11,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:11,363 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:11,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:11,395 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:33:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:11,537 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:11,644 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:11,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-04-10 02:33:11,645 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 02:33:11,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 02:33:11,645 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-04-10 02:33:11,645 INFO L87 Difference]: Start difference. First operand 80 states and 83 transitions. Second operand 9 states. [2018-04-10 02:33:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:11,979 INFO L93 Difference]: Finished difference Result 149 states and 155 transitions. [2018-04-10 02:33:11,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 02:33:11,979 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-04-10 02:33:11,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:11,981 INFO L225 Difference]: With dead ends: 149 [2018-04-10 02:33:11,981 INFO L226 Difference]: Without dead ends: 148 [2018-04-10 02:33:11,982 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2018-04-10 02:33:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-04-10 02:33:11,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 91. [2018-04-10 02:33:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-04-10 02:33:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 95 transitions. [2018-04-10 02:33:11,992 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 95 transitions. Word has length 21 [2018-04-10 02:33:11,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:11,993 INFO L459 AbstractCegarLoop]: Abstraction has 91 states and 95 transitions. [2018-04-10 02:33:11,993 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 02:33:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2018-04-10 02:33:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-10 02:33:11,994 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:11,994 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:11,994 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:11,995 INFO L82 PathProgramCache]: Analyzing trace with hash -629142957, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:12,002 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:12,027 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:12,032 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 02:33:12,033 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,034 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,035 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 02:33:12,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2018-04-10 02:33:12,047 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,066 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:12,066 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-10 02:33:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:12,072 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:12,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:12,109 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:12,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-10 02:33:12,110 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-10 02:33:12,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-10 02:33:12,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-10 02:33:12,110 INFO L87 Difference]: Start difference. First operand 91 states and 95 transitions. Second operand 4 states. [2018-04-10 02:33:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:12,167 INFO L93 Difference]: Finished difference Result 91 states and 95 transitions. [2018-04-10 02:33:12,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 02:33:12,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2018-04-10 02:33:12,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:12,168 INFO L225 Difference]: With dead ends: 91 [2018-04-10 02:33:12,168 INFO L226 Difference]: Without dead ends: 88 [2018-04-10 02:33:12,169 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 02:33:12,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-10 02:33:12,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-04-10 02:33:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-10 02:33:12,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2018-04-10 02:33:12,174 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 28 [2018-04-10 02:33:12,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:12,175 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2018-04-10 02:33:12,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-10 02:33:12,175 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2018-04-10 02:33:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-10 02:33:12,175 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:12,175 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:12,176 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:12,176 INFO L82 PathProgramCache]: Analyzing trace with hash -629142956, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:12,182 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:12,202 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:12,208 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:12,208 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,215 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 02:33:12,215 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,221 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,221 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:19 [2018-04-10 02:33:12,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:12,242 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-04-10 02:33:12,243 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,254 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:12,255 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:12,256 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 02:33:12,256 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,263 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:12,264 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2018-04-10 02:33:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:12,382 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:12,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-04-10 02:33:12,501 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,507 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-10 02:33:12,518 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-10 02:33:12,519 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,520 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:12,523 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2018-04-10 02:33:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:12,550 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:12,550 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 6] imperfect sequences [] total 12 [2018-04-10 02:33:12,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 02:33:12,550 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 02:33:12,550 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2018-04-10 02:33:12,551 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand 13 states. [2018-04-10 02:33:13,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:13,205 INFO L93 Difference]: Finished difference Result 194 states and 205 transitions. [2018-04-10 02:33:13,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 02:33:13,206 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 28 [2018-04-10 02:33:13,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:13,209 INFO L225 Difference]: With dead ends: 194 [2018-04-10 02:33:13,209 INFO L226 Difference]: Without dead ends: 153 [2018-04-10 02:33:13,210 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=303, Unknown=0, NotChecked=0, Total=420 [2018-04-10 02:33:13,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-04-10 02:33:13,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 119. [2018-04-10 02:33:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-04-10 02:33:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 130 transitions. [2018-04-10 02:33:13,224 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 130 transitions. Word has length 28 [2018-04-10 02:33:13,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:13,224 INFO L459 AbstractCegarLoop]: Abstraction has 119 states and 130 transitions. [2018-04-10 02:33:13,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 02:33:13,225 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-04-10 02:33:13,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-10 02:33:13,226 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:13,226 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, 1] [2018-04-10 02:33:13,226 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:13,226 INFO L82 PathProgramCache]: Analyzing trace with hash -707014191, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:13,232 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:13,267 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:13,289 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:13,347 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:13,348 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-04-10 02:33:13,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-10 02:33:13,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-10 02:33:13,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-04-10 02:33:13,348 INFO L87 Difference]: Start difference. First operand 119 states and 130 transitions. Second operand 10 states. [2018-04-10 02:33:13,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:13,461 INFO L93 Difference]: Finished difference Result 216 states and 226 transitions. [2018-04-10 02:33:13,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-10 02:33:13,461 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 28 [2018-04-10 02:33:13,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:13,462 INFO L225 Difference]: With dead ends: 216 [2018-04-10 02:33:13,462 INFO L226 Difference]: Without dead ends: 156 [2018-04-10 02:33:13,463 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2018-04-10 02:33:13,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-04-10 02:33:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 133. [2018-04-10 02:33:13,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-04-10 02:33:13,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 144 transitions. [2018-04-10 02:33:13,476 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 144 transitions. Word has length 28 [2018-04-10 02:33:13,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:13,476 INFO L459 AbstractCegarLoop]: Abstraction has 133 states and 144 transitions. [2018-04-10 02:33:13,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-10 02:33:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2018-04-10 02:33:13,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-10 02:33:13,478 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:13,478 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, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:13,478 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:13,478 INFO L82 PathProgramCache]: Analyzing trace with hash -1664309984, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:13,484 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:13,508 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:13,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:13,541 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:13,589 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:13,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2018-04-10 02:33:13,590 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-10 02:33:13,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-10 02:33:13,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-04-10 02:33:13,590 INFO L87 Difference]: Start difference. First operand 133 states and 144 transitions. Second operand 9 states. [2018-04-10 02:33:13,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:13,708 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2018-04-10 02:33:13,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-10 02:33:13,709 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-04-10 02:33:13,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:13,710 INFO L225 Difference]: With dead ends: 192 [2018-04-10 02:33:13,710 INFO L226 Difference]: Without dead ends: 147 [2018-04-10 02:33:13,711 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2018-04-10 02:33:13,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-04-10 02:33:13,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 128. [2018-04-10 02:33:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-04-10 02:33:13,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 135 transitions. [2018-04-10 02:33:13,731 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 135 transitions. Word has length 34 [2018-04-10 02:33:13,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:13,731 INFO L459 AbstractCegarLoop]: Abstraction has 128 states and 135 transitions. [2018-04-10 02:33:13,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-10 02:33:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2018-04-10 02:33:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-10 02:33:13,733 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:13,733 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:13,733 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:13,733 INFO L82 PathProgramCache]: Analyzing trace with hash 422130268, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:13,743 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:13,764 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:13,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:13,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:13,780 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:13,781 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:33:13,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:13,874 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:13,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:13,985 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:13,985 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2018-04-10 02:33:13,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-10 02:33:13,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-10 02:33:13,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-04-10 02:33:13,986 INFO L87 Difference]: Start difference. First operand 128 states and 135 transitions. Second operand 13 states. [2018-04-10 02:33:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:14,545 INFO L93 Difference]: Finished difference Result 147 states and 151 transitions. [2018-04-10 02:33:14,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-10 02:33:14,545 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 39 [2018-04-10 02:33:14,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:14,546 INFO L225 Difference]: With dead ends: 147 [2018-04-10 02:33:14,546 INFO L226 Difference]: Without dead ends: 145 [2018-04-10 02:33:14,546 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2018-04-10 02:33:14,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-04-10 02:33:14,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 131. [2018-04-10 02:33:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-10 02:33:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 137 transitions. [2018-04-10 02:33:14,555 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 137 transitions. Word has length 39 [2018-04-10 02:33:14,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:14,556 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 137 transitions. [2018-04-10 02:33:14,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-10 02:33:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 137 transitions. [2018-04-10 02:33:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-10 02:33:14,557 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:14,557 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:14,557 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:14,557 INFO L82 PathProgramCache]: Analyzing trace with hash 201136582, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:14,565 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:14,595 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:14,612 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:14,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:14,656 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:14,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-04-10 02:33:14,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-10 02:33:14,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-10 02:33:14,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 02:33:14,657 INFO L87 Difference]: Start difference. First operand 131 states and 137 transitions. Second operand 5 states. [2018-04-10 02:33:14,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:14,824 INFO L93 Difference]: Finished difference Result 145 states and 149 transitions. [2018-04-10 02:33:14,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-10 02:33:14,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 40 [2018-04-10 02:33:14,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:14,826 INFO L225 Difference]: With dead ends: 145 [2018-04-10 02:33:14,826 INFO L226 Difference]: Without dead ends: 144 [2018-04-10 02:33:14,826 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-10 02:33:14,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-04-10 02:33:14,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 131. [2018-04-10 02:33:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-04-10 02:33:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 136 transitions. [2018-04-10 02:33:14,833 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 136 transitions. Word has length 40 [2018-04-10 02:33:14,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:14,834 INFO L459 AbstractCegarLoop]: Abstraction has 131 states and 136 transitions. [2018-04-10 02:33:14,834 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-10 02:33:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2018-04-10 02:33:14,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-10 02:33:14,835 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:14,835 INFO L355 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:14,836 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:14,836 INFO L82 PathProgramCache]: Analyzing trace with hash 756251537, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:14,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:14,868 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:14,918 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:15,022 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:15,023 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2018-04-10 02:33:15,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 02:33:15,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 02:33:15,023 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2018-04-10 02:33:15,023 INFO L87 Difference]: Start difference. First operand 131 states and 136 transitions. Second operand 18 states. [2018-04-10 02:33:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:15,238 INFO L93 Difference]: Finished difference Result 234 states and 244 transitions. [2018-04-10 02:33:15,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 02:33:15,238 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 42 [2018-04-10 02:33:15,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:15,239 INFO L225 Difference]: With dead ends: 234 [2018-04-10 02:33:15,239 INFO L226 Difference]: Without dead ends: 174 [2018-04-10 02:33:15,240 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=278, Invalid=592, Unknown=0, NotChecked=0, Total=870 [2018-04-10 02:33:15,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-04-10 02:33:15,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 159. [2018-04-10 02:33:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-10 02:33:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 164 transitions. [2018-04-10 02:33:15,248 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 164 transitions. Word has length 42 [2018-04-10 02:33:15,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:15,248 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 164 transitions. [2018-04-10 02:33:15,248 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 02:33:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 164 transitions. [2018-04-10 02:33:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-10 02:33:15,249 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:15,250 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:15,250 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:15,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1136138225, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:15,265 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:15,288 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:15,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-10 02:33:15,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-10 02:33:15,332 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,333 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,333 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,334 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-10 02:33:15,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:15,338 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:15,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-10 02:33:15,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2018-04-10 02:33:15,349 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,354 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,356 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:15,356 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:18, output treesize:10 [2018-04-10 02:33:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:15,385 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:15,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2018-04-10 02:33:15,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-10 02:33:15,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-10 02:33:15,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-10 02:33:15,386 INFO L87 Difference]: Start difference. First operand 159 states and 164 transitions. Second operand 6 states. [2018-04-10 02:33:15,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:15,458 INFO L93 Difference]: Finished difference Result 178 states and 180 transitions. [2018-04-10 02:33:15,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-10 02:33:15,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2018-04-10 02:33:15,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:15,459 INFO L225 Difference]: With dead ends: 178 [2018-04-10 02:33:15,459 INFO L226 Difference]: Without dead ends: 165 [2018-04-10 02:33:15,460 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-10 02:33:15,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-04-10 02:33:15,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 156. [2018-04-10 02:33:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-10 02:33:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 160 transitions. [2018-04-10 02:33:15,467 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 160 transitions. Word has length 47 [2018-04-10 02:33:15,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:15,467 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 160 transitions. [2018-04-10 02:33:15,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-10 02:33:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 160 transitions. [2018-04-10 02:33:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-10 02:33:15,469 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:15,469 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:15,469 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:15,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1800304507, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:15,480 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:15,502 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:15,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 02:33:15,505 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,506 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,506 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-10 02:33:15,516 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:15,516 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:15,517 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 02:33:15,517 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,518 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,518 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-10 02:33:15,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:15,590 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-10 02:33:15,590 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,601 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:15,602 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-10 02:33:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:15,616 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:15,630 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-10 02:33:15,630 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,631 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,631 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-10 02:33:15,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:15,675 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:15,675 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 11 [2018-04-10 02:33:15,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-10 02:33:15,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-10 02:33:15,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-10 02:33:15,675 INFO L87 Difference]: Start difference. First operand 156 states and 160 transitions. Second operand 12 states. [2018-04-10 02:33:15,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:15,829 INFO L93 Difference]: Finished difference Result 164 states and 169 transitions. [2018-04-10 02:33:15,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 02:33:15,829 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 48 [2018-04-10 02:33:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:15,830 INFO L225 Difference]: With dead ends: 164 [2018-04-10 02:33:15,830 INFO L226 Difference]: Without dead ends: 162 [2018-04-10 02:33:15,831 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2018-04-10 02:33:15,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-04-10 02:33:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 154. [2018-04-10 02:33:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-04-10 02:33:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 158 transitions. [2018-04-10 02:33:15,839 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 158 transitions. Word has length 48 [2018-04-10 02:33:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:15,839 INFO L459 AbstractCegarLoop]: Abstraction has 154 states and 158 transitions. [2018-04-10 02:33:15,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-10 02:33:15,840 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 158 transitions. [2018-04-10 02:33:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-10 02:33:15,840 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:15,840 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:15,841 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1615243799, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:15,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:15,870 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:15,927 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:15,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 27 [2018-04-10 02:33:15,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2018-04-10 02:33:15,930 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,934 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,937 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:15,937 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:23, output treesize:15 [2018-04-10 02:33:15,960 WARN L1033 $PredicateComparison]: unable to prove that (exists ((~__U_MULTI_f___________true_valid_memsafety_i__a~0.base Int)) (let ((.cse0 (store |c_old(#valid)| ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base 1))) (and (= (store (store .cse0 c_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base 1) ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base 0) |c_#valid|) (= 0 (select .cse0 c_~__U_MULTI_f___________true_valid_memsafety_i__b~0.base)) (= (select |c_old(#valid)| ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base) 0)))) is different from true [2018-04-10 02:33:15,978 WARN L1033 $PredicateComparison]: unable to prove that (exists ((~__U_MULTI_f___________true_valid_memsafety_i__b~0.base Int) (~__U_MULTI_f___________true_valid_memsafety_i__a~0.base Int)) (let ((.cse0 (store |c_old(#valid)| ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base 1))) (and (= 0 (select .cse0 ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base)) (= (select |c_old(#valid)| ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base) 0) (= (store (store (store .cse0 ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base 1) ~__U_MULTI_f___________true_valid_memsafety_i__a~0.base 0) ~__U_MULTI_f___________true_valid_memsafety_i__b~0.base 0) |c_#valid|)))) is different from true [2018-04-10 02:33:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:15,989 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:16,041 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_15| Int)) (or (= |c_old(#valid)| (store (store (store |c_#valid| |v_main_#t~malloc5.base_15| 1) c_~__U_MULTI_f___________true_valid_memsafety_i__a~0.base 0) |v_main_#t~malloc5.base_15| 0)) (not (= (select |c_#valid| |v_main_#t~malloc5.base_15|) 0)))) is different from false [2018-04-10 02:33:16,044 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_15| Int)) (or (= (store (store (store |c_#valid| |v_main_#t~malloc5.base_15| 1) |c_main_#t~malloc4.base| 0) |v_main_#t~malloc5.base_15| 0) |c_old(#valid)|) (not (= (select |c_#valid| |v_main_#t~malloc5.base_15|) 0)))) is different from false [2018-04-10 02:33:16,048 WARN L1011 $PredicateComparison]: unable to prove that (forall ((|v_main_#t~malloc5.base_15| Int) (|v_main_#t~malloc4.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc4.base_14| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc4.base_14|))) (= (store (store (store .cse0 |v_main_#t~malloc5.base_15| 1) |v_main_#t~malloc4.base_14| 0) |v_main_#t~malloc5.base_15| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc5.base_15|) 0))))) is different from false [2018-04-10 02:33:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-10 02:33:16,093 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:16,094 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 17 [2018-04-10 02:33:16,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-10 02:33:16,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-10 02:33:16,095 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=134, Unknown=5, NotChecked=130, Total=306 [2018-04-10 02:33:16,095 INFO L87 Difference]: Start difference. First operand 154 states and 158 transitions. Second operand 18 states. [2018-04-10 02:33:16,336 WARN L1011 $PredicateComparison]: unable to prove that (and (= |c_#valid| |c_old(#valid)|) (forall ((|v_main_#t~malloc5.base_15| Int) (|v_main_#t~malloc4.base_14| Int)) (let ((.cse0 (store |c_#valid| |v_main_#t~malloc4.base_14| 1))) (or (not (= 0 (select |c_#valid| |v_main_#t~malloc4.base_14|))) (= (store (store (store .cse0 |v_main_#t~malloc5.base_15| 1) |v_main_#t~malloc4.base_14| 0) |v_main_#t~malloc5.base_15| 0) |c_old(#valid)|) (not (= (select .cse0 |v_main_#t~malloc5.base_15|) 0)))))) is different from false [2018-04-10 02:33:16,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:16,694 INFO L93 Difference]: Finished difference Result 159 states and 162 transitions. [2018-04-10 02:33:16,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 02:33:16,694 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 51 [2018-04-10 02:33:16,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:16,695 INFO L225 Difference]: With dead ends: 159 [2018-04-10 02:33:16,695 INFO L226 Difference]: Without dead ends: 120 [2018-04-10 02:33:16,696 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 84 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=282, Unknown=7, NotChecked=234, Total=600 [2018-04-10 02:33:16,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-04-10 02:33:16,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-04-10 02:33:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-04-10 02:33:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 123 transitions. [2018-04-10 02:33:16,703 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 123 transitions. Word has length 51 [2018-04-10 02:33:16,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:16,703 INFO L459 AbstractCegarLoop]: Abstraction has 120 states and 123 transitions. [2018-04-10 02:33:16,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-10 02:33:16,703 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 123 transitions. [2018-04-10 02:33:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-10 02:33:16,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:16,704 INFO L355 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:16,704 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:16,704 INFO L82 PathProgramCache]: Analyzing trace with hash -29712623, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:16,712 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:16,736 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:16,880 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:17,148 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:17,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2018-04-10 02:33:17,149 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-10 02:33:17,149 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-10 02:33:17,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=835, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 02:33:17,150 INFO L87 Difference]: Start difference. First operand 120 states and 123 transitions. Second operand 34 states. [2018-04-10 02:33:17,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:17,834 INFO L93 Difference]: Finished difference Result 236 states and 249 transitions. [2018-04-10 02:33:17,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-10 02:33:17,834 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 70 [2018-04-10 02:33:17,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:17,836 INFO L225 Difference]: With dead ends: 236 [2018-04-10 02:33:17,836 INFO L226 Difference]: Without dead ends: 178 [2018-04-10 02:33:17,838 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1186, Invalid=2596, Unknown=0, NotChecked=0, Total=3782 [2018-04-10 02:33:17,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-04-10 02:33:17,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 176. [2018-04-10 02:33:17,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-10 02:33:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 179 transitions. [2018-04-10 02:33:17,856 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 179 transitions. Word has length 70 [2018-04-10 02:33:17,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:17,856 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 179 transitions. [2018-04-10 02:33:17,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-10 02:33:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 179 transitions. [2018-04-10 02:33:17,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-04-10 02:33:17,858 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:17,858 INFO L355 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:17,858 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:17,858 INFO L82 PathProgramCache]: Analyzing trace with hash -361224687, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:17,905 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:17,992 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:18,938 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:19,745 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:19,767 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:19,767 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 34] total 61 [2018-04-10 02:33:19,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-04-10 02:33:19,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-04-10 02:33:19,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=919, Invalid=2741, Unknown=0, NotChecked=0, Total=3660 [2018-04-10 02:33:19,769 INFO L87 Difference]: Start difference. First operand 176 states and 179 transitions. Second operand 61 states. [2018-04-10 02:33:22,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:22,036 INFO L93 Difference]: Finished difference Result 334 states and 353 transitions. [2018-04-10 02:33:22,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-10 02:33:22,037 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 126 [2018-04-10 02:33:22,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:22,038 INFO L225 Difference]: With dead ends: 334 [2018-04-10 02:33:22,038 INFO L226 Difference]: Without dead ends: 276 [2018-04-10 02:33:22,043 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 187 SyntacticMatches, 5 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3082 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=4251, Invalid=9321, Unknown=0, NotChecked=0, Total=13572 [2018-04-10 02:33:22,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-04-10 02:33:22,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 274. [2018-04-10 02:33:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2018-04-10 02:33:22,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 277 transitions. [2018-04-10 02:33:22,063 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 277 transitions. Word has length 126 [2018-04-10 02:33:22,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:22,064 INFO L459 AbstractCegarLoop]: Abstraction has 274 states and 277 transitions. [2018-04-10 02:33:22,064 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-04-10 02:33:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 277 transitions. [2018-04-10 02:33:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-04-10 02:33:22,067 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:22,067 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:22,067 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:22,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1058182575, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:22,084 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:22,136 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:22,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:22,161 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:22,174 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:22,175 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:33:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:22,265 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:22,483 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:22,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2018-04-10 02:33:22,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-10 02:33:22,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-10 02:33:22,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-04-10 02:33:22,484 INFO L87 Difference]: Start difference. First operand 274 states and 277 transitions. Second operand 11 states. [2018-04-10 02:33:22,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:22,746 INFO L93 Difference]: Finished difference Result 274 states and 277 transitions. [2018-04-10 02:33:22,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-10 02:33:22,746 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 224 [2018-04-10 02:33:22,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:22,748 INFO L225 Difference]: With dead ends: 274 [2018-04-10 02:33:22,748 INFO L226 Difference]: Without dead ends: 273 [2018-04-10 02:33:22,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-04-10 02:33:22,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-04-10 02:33:22,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-04-10 02:33:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-04-10 02:33:22,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 276 transitions. [2018-04-10 02:33:22,761 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 276 transitions. Word has length 224 [2018-04-10 02:33:22,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:22,762 INFO L459 AbstractCegarLoop]: Abstraction has 273 states and 276 transitions. [2018-04-10 02:33:22,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-10 02:33:22,762 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 276 transitions. [2018-04-10 02:33:22,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-04-10 02:33:22,765 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:22,765 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:22,765 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:22,766 INFO L82 PathProgramCache]: Analyzing trace with hash 916837206, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:22,774 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:22,839 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:22,861 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-10 02:33:22,862 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:22,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:22,874 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:22,901 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:22,902 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:19 [2018-04-10 02:33:22,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:22,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-10 02:33:22,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-10 02:33:22,932 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:22,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 19 [2018-04-10 02:33:22,951 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:22,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:22,960 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2018-04-10 02:33:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:23,103 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:23,219 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 3 [2018-04-10 02:33:23,219 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:23,230 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-10 02:33:23,248 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-10 02:33:23,248 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:23,250 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:23,254 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:23,255 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:25, output treesize:5 [2018-04-10 02:33:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2929 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:23,360 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:33:23,361 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 14 [2018-04-10 02:33:23,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-10 02:33:23,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-10 02:33:23,361 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2018-04-10 02:33:23,361 INFO L87 Difference]: Start difference. First operand 273 states and 276 transitions. Second operand 15 states. [2018-04-10 02:33:26,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:26,636 INFO L93 Difference]: Finished difference Result 321 states and 329 transitions. [2018-04-10 02:33:26,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-10 02:33:26,636 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 231 [2018-04-10 02:33:26,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:26,639 INFO L225 Difference]: With dead ends: 321 [2018-04-10 02:33:26,639 INFO L226 Difference]: Without dead ends: 282 [2018-04-10 02:33:26,640 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 472 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=169, Invalid=479, Unknown=2, NotChecked=0, Total=650 [2018-04-10 02:33:26,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-04-10 02:33:26,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 276. [2018-04-10 02:33:26,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-04-10 02:33:26,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 279 transitions. [2018-04-10 02:33:26,653 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 279 transitions. Word has length 231 [2018-04-10 02:33:26,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:26,654 INFO L459 AbstractCegarLoop]: Abstraction has 276 states and 279 transitions. [2018-04-10 02:33:26,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-10 02:33:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 279 transitions. [2018-04-10 02:33:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-04-10 02:33:26,658 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:26,658 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:26,658 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:26,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1216076638, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:26,683 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:26,748 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:26,879 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:26,880 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:26,970 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:26,970 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-10 02:33:27,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-10 02:33:27,010 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:27,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:27,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-04-10 02:33:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2932 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:27,148 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:28,073 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-10 02:33:28,088 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-04-10 02:33:28,088 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:28,092 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:28,094 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:28,094 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-04-10 02:33:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2932 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:28,230 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:28,231 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2018-04-10 02:33:28,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 02:33:28,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 02:33:28,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=218, Unknown=2, NotChecked=0, Total=272 [2018-04-10 02:33:28,232 INFO L87 Difference]: Start difference. First operand 276 states and 279 transitions. Second operand 17 states. [2018-04-10 02:33:28,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:28,638 INFO L93 Difference]: Finished difference Result 332 states and 339 transitions. [2018-04-10 02:33:28,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-10 02:33:28,639 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 237 [2018-04-10 02:33:28,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:28,640 INFO L225 Difference]: With dead ends: 332 [2018-04-10 02:33:28,641 INFO L226 Difference]: Without dead ends: 293 [2018-04-10 02:33:28,641 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 458 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=156, Invalid=492, Unknown=2, NotChecked=0, Total=650 [2018-04-10 02:33:28,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-04-10 02:33:28,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 288. [2018-04-10 02:33:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-04-10 02:33:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 291 transitions. [2018-04-10 02:33:28,657 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 291 transitions. Word has length 237 [2018-04-10 02:33:28,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:28,657 INFO L459 AbstractCegarLoop]: Abstraction has 288 states and 291 transitions. [2018-04-10 02:33:28,658 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 02:33:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 291 transitions. [2018-04-10 02:33:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-04-10 02:33:28,659 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:28,660 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:28,660 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:28,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1899099078, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:28,680 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:28,754 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:28,916 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:28,916 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:28,995 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:28,995 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-10 02:33:29,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-10 02:33:29,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:29,186 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:29,186 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-04-10 02:33:29,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2956 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:29,593 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:30,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-10 02:33:30,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-04-10 02:33:30,282 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:30,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:30,283 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:30,284 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-04-10 02:33:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2956 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:30,385 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:30,385 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2018-04-10 02:33:30,386 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-10 02:33:30,386 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-10 02:33:30,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=503, Unknown=1, NotChecked=0, Total=600 [2018-04-10 02:33:30,386 INFO L87 Difference]: Start difference. First operand 288 states and 291 transitions. Second operand 25 states. [2018-04-10 02:33:31,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:31,249 INFO L93 Difference]: Finished difference Result 356 states and 367 transitions. [2018-04-10 02:33:31,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-10 02:33:31,249 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 249 [2018-04-10 02:33:31,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:31,251 INFO L225 Difference]: With dead ends: 356 [2018-04-10 02:33:31,251 INFO L226 Difference]: Without dead ends: 317 [2018-04-10 02:33:31,252 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 474 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=382, Invalid=1339, Unknown=1, NotChecked=0, Total=1722 [2018-04-10 02:33:31,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-04-10 02:33:31,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 312. [2018-04-10 02:33:31,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-04-10 02:33:31,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 315 transitions. [2018-04-10 02:33:31,262 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 315 transitions. Word has length 249 [2018-04-10 02:33:31,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:31,262 INFO L459 AbstractCegarLoop]: Abstraction has 312 states and 315 transitions. [2018-04-10 02:33:31,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-10 02:33:31,262 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 315 transitions. [2018-04-10 02:33:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-04-10 02:33:31,264 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:31,264 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:31,265 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:31,265 INFO L82 PathProgramCache]: Analyzing trace with hash 2008280938, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:31,278 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:31,327 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:31,342 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:31,343 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:31,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:31,347 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-10 02:33:31,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-10 02:33:31,364 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:31,370 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:31,371 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-04-10 02:33:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 87 proven. 147 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:32,003 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:33,595 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-10 02:33:33,627 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-04-10 02:33:33,627 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:33,628 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:33,629 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:33,629 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-04-10 02:33:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3076 backedges. 87 proven. 147 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:33,801 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:33,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 40 [2018-04-10 02:33:33,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-10 02:33:33,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-10 02:33:33,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1405, Unknown=3, NotChecked=0, Total=1640 [2018-04-10 02:33:33,803 INFO L87 Difference]: Start difference. First operand 312 states and 315 transitions. Second operand 41 states. [2018-04-10 02:33:35,159 WARN L151 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 64 DAG size of output 26 [2018-04-10 02:33:36,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:36,378 INFO L93 Difference]: Finished difference Result 404 states and 423 transitions. [2018-04-10 02:33:36,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-10 02:33:36,379 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 273 [2018-04-10 02:33:36,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:36,381 INFO L225 Difference]: With dead ends: 404 [2018-04-10 02:33:36,381 INFO L226 Difference]: Without dead ends: 365 [2018-04-10 02:33:36,383 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 506 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1063 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1170, Invalid=4229, Unknown=3, NotChecked=0, Total=5402 [2018-04-10 02:33:36,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-04-10 02:33:36,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 360. [2018-04-10 02:33:36,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-04-10 02:33:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 363 transitions. [2018-04-10 02:33:36,416 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 363 transitions. Word has length 273 [2018-04-10 02:33:36,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:36,417 INFO L459 AbstractCegarLoop]: Abstraction has 360 states and 363 transitions. [2018-04-10 02:33:36,417 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-10 02:33:36,417 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 363 transitions. [2018-04-10 02:33:36,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-04-10 02:33:36,421 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:36,421 INFO L355 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:36,421 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:36,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1999635914, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:36,428 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:36,522 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:36,561 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:33:36,561 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:36,565 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:36,565 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:14 [2018-04-10 02:33:36,582 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-10 02:33:36,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:36,589 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-10 02:33:36,589 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:21 [2018-04-10 02:33:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3604 backedges. 87 proven. 675 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:38,051 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:40,266 WARN L148 SmtUtils]: Spent 359ms on a formula simplification that was a NOOP. DAG size: 18 [2018-04-10 02:33:40,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-10 02:33:40,401 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2018-04-10 02:33:40,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-10 02:33:40,402 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:40,403 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-10 02:33:40,403 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:5 [2018-04-10 02:33:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3604 backedges. 87 proven. 675 refuted. 0 times theorem prover too weak. 2842 trivial. 0 not checked. [2018-04-10 02:33:40,611 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:40,611 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37] total 72 [2018-04-10 02:33:40,612 INFO L442 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-04-10 02:33:40,612 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-04-10 02:33:40,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=695, Invalid=4560, Unknown=1, NotChecked=0, Total=5256 [2018-04-10 02:33:40,613 INFO L87 Difference]: Start difference. First operand 360 states and 363 transitions. Second operand 73 states. [2018-04-10 02:33:44,222 WARN L151 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 117 DAG size of output 27 [2018-04-10 02:33:44,532 WARN L151 SmtUtils]: Spent 138ms on a formula simplification. DAG size of input: 113 DAG size of output 26 [2018-04-10 02:33:49,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:33:49,760 INFO L93 Difference]: Finished difference Result 494 states and 527 transitions. [2018-04-10 02:33:49,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-10 02:33:49,760 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 321 [2018-04-10 02:33:49,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:33:49,762 INFO L225 Difference]: With dead ends: 494 [2018-04-10 02:33:49,762 INFO L226 Difference]: Without dead ends: 455 [2018-04-10 02:33:49,766 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3679 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=3892, Invalid=14467, Unknown=1, NotChecked=0, Total=18360 [2018-04-10 02:33:49,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-04-10 02:33:49,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 450. [2018-04-10 02:33:49,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-04-10 02:33:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 453 transitions. [2018-04-10 02:33:49,788 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 453 transitions. Word has length 321 [2018-04-10 02:33:49,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:33:49,789 INFO L459 AbstractCegarLoop]: Abstraction has 450 states and 453 transitions. [2018-04-10 02:33:49,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-04-10 02:33:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 453 transitions. [2018-04-10 02:33:49,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-04-10 02:33:49,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:33:49,791 INFO L355 BasicCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:33:49,791 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:33:49,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1992970434, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:33:49,797 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:33:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:33:49,897 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:33:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5629 backedges. 2700 proven. 2929 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:53,675 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:33:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 5629 backedges. 2700 proven. 2929 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 02:33:58,723 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:33:58,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122, 122] total 183 [2018-04-10 02:33:58,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-04-10 02:33:58,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-04-10 02:33:58,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4026, Invalid=29280, Unknown=0, NotChecked=0, Total=33306 [2018-04-10 02:33:58,727 INFO L87 Difference]: Start difference. First operand 450 states and 453 transitions. Second operand 183 states. [2018-04-10 02:34:06,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:06,945 INFO L93 Difference]: Finished difference Result 499 states and 504 transitions. [2018-04-10 02:34:06,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-04-10 02:34:06,945 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 411 [2018-04-10 02:34:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:06,949 INFO L225 Difference]: With dead ends: 499 [2018-04-10 02:34:06,949 INFO L226 Difference]: Without dead ends: 454 [2018-04-10 02:34:06,954 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 941 GetRequests, 581 SyntacticMatches, 59 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27247 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=13457, Invalid=78049, Unknown=0, NotChecked=0, Total=91506 [2018-04-10 02:34:06,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2018-04-10 02:34:06,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 448. [2018-04-10 02:34:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2018-04-10 02:34:06,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 450 transitions. [2018-04-10 02:34:06,976 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 450 transitions. Word has length 411 [2018-04-10 02:34:06,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:06,977 INFO L459 AbstractCegarLoop]: Abstraction has 448 states and 450 transitions. [2018-04-10 02:34:06,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-04-10 02:34:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 450 transitions. [2018-04-10 02:34:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2018-04-10 02:34:06,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:06,981 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:06,981 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash 1044866719, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:06,994 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:07,117 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:07,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:34:07,136 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:34:07,142 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:34:07,142 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:34:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5599 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:07,699 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5599 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:08,187 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-10 02:34:08,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2018-04-10 02:34:08,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-10 02:34:08,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-10 02:34:08,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-04-10 02:34:08,188 INFO L87 Difference]: Start difference. First operand 448 states and 450 transitions. Second operand 17 states. [2018-04-10 02:34:08,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:08,569 INFO L93 Difference]: Finished difference Result 452 states and 454 transitions. [2018-04-10 02:34:08,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-10 02:34:08,569 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 414 [2018-04-10 02:34:08,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:08,572 INFO L225 Difference]: With dead ends: 452 [2018-04-10 02:34:08,572 INFO L226 Difference]: Without dead ends: 449 [2018-04-10 02:34:08,572 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 836 GetRequests, 812 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2018-04-10 02:34:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-04-10 02:34:08,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 447. [2018-04-10 02:34:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-04-10 02:34:08,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 449 transitions. [2018-04-10 02:34:08,600 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 449 transitions. Word has length 414 [2018-04-10 02:34:08,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:08,604 INFO L459 AbstractCegarLoop]: Abstraction has 447 states and 449 transitions. [2018-04-10 02:34:08,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-10 02:34:08,605 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 449 transitions. [2018-04-10 02:34:08,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-04-10 02:34:08,608 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:08,608 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:08,608 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:08,608 INFO L82 PathProgramCache]: Analyzing trace with hash 643389324, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:08,628 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:08,718 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:08,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:34:08,778 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:34:08,782 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:34:08,783 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:34:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5602 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:09,598 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5602 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:10,114 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:10,115 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2018-04-10 02:34:10,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-10 02:34:10,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-10 02:34:10,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2018-04-10 02:34:10,116 INFO L87 Difference]: Start difference. First operand 447 states and 449 transitions. Second operand 21 states. [2018-04-10 02:34:10,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:10,606 INFO L93 Difference]: Finished difference Result 489 states and 494 transitions. [2018-04-10 02:34:10,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-10 02:34:10,607 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 420 [2018-04-10 02:34:10,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:10,609 INFO L225 Difference]: With dead ends: 489 [2018-04-10 02:34:10,609 INFO L226 Difference]: Without dead ends: 462 [2018-04-10 02:34:10,609 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 852 GetRequests, 820 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=229, Invalid=893, Unknown=0, NotChecked=0, Total=1122 [2018-04-10 02:34:10,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2018-04-10 02:34:10,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 459. [2018-04-10 02:34:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-04-10 02:34:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 462 transitions. [2018-04-10 02:34:10,629 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 462 transitions. Word has length 420 [2018-04-10 02:34:10,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:10,630 INFO L459 AbstractCegarLoop]: Abstraction has 459 states and 462 transitions. [2018-04-10 02:34:10,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-10 02:34:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 462 transitions. [2018-04-10 02:34:10,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2018-04-10 02:34:10,633 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:10,633 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:10,633 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:10,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1407134474, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:10,639 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:10,711 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 5609 backedges. 87 proven. 10 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:10,869 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5609 backedges. 87 proven. 10 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:11,168 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:11,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 16 [2018-04-10 02:34:11,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-10 02:34:11,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-10 02:34:11,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2018-04-10 02:34:11,170 INFO L87 Difference]: Start difference. First operand 459 states and 462 transitions. Second operand 16 states. [2018-04-10 02:34:11,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:11,453 INFO L93 Difference]: Finished difference Result 500 states and 505 transitions. [2018-04-10 02:34:11,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-10 02:34:11,453 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 429 [2018-04-10 02:34:11,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:11,455 INFO L225 Difference]: With dead ends: 500 [2018-04-10 02:34:11,455 INFO L226 Difference]: Without dead ends: 474 [2018-04-10 02:34:11,455 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 868 GetRequests, 841 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=205, Invalid=497, Unknown=0, NotChecked=0, Total=702 [2018-04-10 02:34:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2018-04-10 02:34:11,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 470. [2018-04-10 02:34:11,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-04-10 02:34:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 473 transitions. [2018-04-10 02:34:11,486 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 473 transitions. Word has length 429 [2018-04-10 02:34:11,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:11,486 INFO L459 AbstractCegarLoop]: Abstraction has 470 states and 473 transitions. [2018-04-10 02:34:11,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-10 02:34:11,486 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 473 transitions. [2018-04-10 02:34:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2018-04-10 02:34:11,489 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:11,490 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:11,490 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:11,490 INFO L82 PathProgramCache]: Analyzing trace with hash -900523994, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:11,497 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:11,589 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:11,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:34:11,610 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:34:11,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:34:11,617 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:34:12,401 INFO L134 CoverageAnalysis]: Checked inductivity of 5626 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:12,402 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:13,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5626 backedges. 87 proven. 27 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:13,087 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:13,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2018-04-10 02:34:13,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-10 02:34:13,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-10 02:34:13,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2018-04-10 02:34:13,088 INFO L87 Difference]: Start difference. First operand 470 states and 473 transitions. Second operand 29 states. [2018-04-10 02:34:14,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:14,208 INFO L93 Difference]: Finished difference Result 489 states and 496 transitions. [2018-04-10 02:34:14,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-10 02:34:14,208 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 432 [2018-04-10 02:34:14,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:14,210 INFO L225 Difference]: With dead ends: 489 [2018-04-10 02:34:14,210 INFO L226 Difference]: Without dead ends: 488 [2018-04-10 02:34:14,211 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 884 GetRequests, 836 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=471, Invalid=1979, Unknown=0, NotChecked=0, Total=2450 [2018-04-10 02:34:14,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2018-04-10 02:34:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 483. [2018-04-10 02:34:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-04-10 02:34:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 487 transitions. [2018-04-10 02:34:14,232 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 487 transitions. Word has length 432 [2018-04-10 02:34:14,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:14,233 INFO L459 AbstractCegarLoop]: Abstraction has 483 states and 487 transitions. [2018-04-10 02:34:14,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-10 02:34:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 487 transitions. [2018-04-10 02:34:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2018-04-10 02:34:14,236 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:14,236 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:14,237 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:14,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1631102301, now seen corresponding path program 2 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:14,246 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:14,348 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:14,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5669 backedges. 87 proven. 70 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:14,625 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:14,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5669 backedges. 87 proven. 70 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:14,981 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:14,981 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16] total 28 [2018-04-10 02:34:14,982 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-10 02:34:14,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-10 02:34:14,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2018-04-10 02:34:14,982 INFO L87 Difference]: Start difference. First operand 483 states and 487 transitions. Second operand 28 states. [2018-04-10 02:34:15,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:15,523 INFO L93 Difference]: Finished difference Result 538 states and 546 transitions. [2018-04-10 02:34:15,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-10 02:34:15,523 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 447 [2018-04-10 02:34:15,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:15,525 INFO L225 Difference]: With dead ends: 538 [2018-04-10 02:34:15,525 INFO L226 Difference]: Without dead ends: 512 [2018-04-10 02:34:15,525 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 916 GetRequests, 865 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 614 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=760, Invalid=1790, Unknown=0, NotChecked=0, Total=2550 [2018-04-10 02:34:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-04-10 02:34:15,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-04-10 02:34:15,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-04-10 02:34:15,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 511 transitions. [2018-04-10 02:34:15,550 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 511 transitions. Word has length 447 [2018-04-10 02:34:15,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:15,551 INFO L459 AbstractCegarLoop]: Abstraction has 506 states and 511 transitions. [2018-04-10 02:34:15,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-10 02:34:15,551 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 511 transitions. [2018-04-10 02:34:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2018-04-10 02:34:15,554 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:15,554 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:15,554 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:15,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1212601434, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:15,591 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:15,693 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:15,730 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:34:15,731 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:34:15,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:34:15,736 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:34:16,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5746 backedges. 87 proven. 147 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:16,746 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:17,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5746 backedges. 87 proven. 147 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:17,762 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:17,763 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2018-04-10 02:34:17,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-10 02:34:17,763 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-10 02:34:17,763 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=270, Invalid=1710, Unknown=0, NotChecked=0, Total=1980 [2018-04-10 02:34:17,763 INFO L87 Difference]: Start difference. First operand 506 states and 511 transitions. Second operand 45 states. [2018-04-10 02:34:20,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:20,781 INFO L93 Difference]: Finished difference Result 541 states and 554 transitions. [2018-04-10 02:34:20,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-10 02:34:20,782 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 456 [2018-04-10 02:34:20,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:20,784 INFO L225 Difference]: With dead ends: 541 [2018-04-10 02:34:20,785 INFO L226 Difference]: Without dead ends: 540 [2018-04-10 02:34:20,785 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 948 GetRequests, 868 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1291, Invalid=5351, Unknown=0, NotChecked=0, Total=6642 [2018-04-10 02:34:20,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-04-10 02:34:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 531. [2018-04-10 02:34:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-04-10 02:34:20,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 537 transitions. [2018-04-10 02:34:20,810 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 537 transitions. Word has length 456 [2018-04-10 02:34:20,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:20,810 INFO L459 AbstractCegarLoop]: Abstraction has 531 states and 537 transitions. [2018-04-10 02:34:20,810 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-10 02:34:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 537 transitions. [2018-04-10 02:34:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2018-04-10 02:34:20,814 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:20,815 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:20,815 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:20,815 INFO L82 PathProgramCache]: Analyzing trace with hash -1199551211, now seen corresponding path program 3 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:20,830 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:20,964 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 5951 backedges. 87 proven. 352 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:21,429 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5951 backedges. 87 proven. 352 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:22,139 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:22,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28] total 52 [2018-04-10 02:34:22,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-10 02:34:22,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-10 02:34:22,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=678, Invalid=1974, Unknown=0, NotChecked=0, Total=2652 [2018-04-10 02:34:22,140 INFO L87 Difference]: Start difference. First operand 531 states and 537 transitions. Second operand 52 states. [2018-04-10 02:34:23,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:23,785 INFO L93 Difference]: Finished difference Result 614 states and 628 transitions. [2018-04-10 02:34:23,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-10 02:34:23,804 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 483 [2018-04-10 02:34:23,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:23,806 INFO L225 Difference]: With dead ends: 614 [2018-04-10 02:34:23,807 INFO L226 Difference]: Without dead ends: 588 [2018-04-10 02:34:23,807 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 913 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2594 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2950, Invalid=6752, Unknown=0, NotChecked=0, Total=9702 [2018-04-10 02:34:23,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2018-04-10 02:34:23,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 578. [2018-04-10 02:34:23,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 578 states. [2018-04-10 02:34:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 587 transitions. [2018-04-10 02:34:23,839 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 587 transitions. Word has length 483 [2018-04-10 02:34:23,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:23,839 INFO L459 AbstractCegarLoop]: Abstraction has 578 states and 587 transitions. [2018-04-10 02:34:23,839 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-10 02:34:23,839 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 587 transitions. [2018-04-10 02:34:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2018-04-10 02:34:23,841 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:23,841 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:23,841 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:23,842 INFO L82 PathProgramCache]: Analyzing trace with hash -795526974, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:23,849 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:23,953 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:23,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-10 02:34:23,987 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:34:23,991 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-10 02:34:23,991 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-10 02:34:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6274 backedges. 87 proven. 675 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:25,851 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6274 backedges. 87 proven. 675 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:27,918 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:27,919 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 76 [2018-04-10 02:34:27,919 INFO L442 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-04-10 02:34:27,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-04-10 02:34:27,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=762, Invalid=5090, Unknown=0, NotChecked=0, Total=5852 [2018-04-10 02:34:27,920 INFO L87 Difference]: Start difference. First operand 578 states and 587 transitions. Second operand 77 states. [2018-04-10 02:34:31,460 WARN L151 SmtUtils]: Spent 132ms on a formula simplification. DAG size of input: 113 DAG size of output 30 [2018-04-10 02:34:31,762 WARN L151 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 109 DAG size of output 29 [2018-04-10 02:34:32,868 WARN L151 SmtUtils]: Spent 111ms on a formula simplification. DAG size of input: 92 DAG size of output 30 [2018-04-10 02:34:33,208 WARN L151 SmtUtils]: Spent 112ms on a formula simplification. DAG size of input: 88 DAG size of output 29 [2018-04-10 02:34:36,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:36,567 INFO L93 Difference]: Finished difference Result 629 states and 650 transitions. [2018-04-10 02:34:36,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-10 02:34:36,567 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 504 [2018-04-10 02:34:36,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:36,569 INFO L225 Difference]: With dead ends: 629 [2018-04-10 02:34:36,570 INFO L226 Difference]: Without dead ends: 628 [2018-04-10 02:34:36,571 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1072 GetRequests, 932 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3795 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=3877, Invalid=16145, Unknown=0, NotChecked=0, Total=20022 [2018-04-10 02:34:36,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-04-10 02:34:36,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 615. [2018-04-10 02:34:36,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-04-10 02:34:36,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 623 transitions. [2018-04-10 02:34:36,594 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 623 transitions. Word has length 504 [2018-04-10 02:34:36,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:36,595 INFO L459 AbstractCegarLoop]: Abstraction has 615 states and 623 transitions. [2018-04-10 02:34:36,595 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-04-10 02:34:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 623 transitions. [2018-04-10 02:34:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-04-10 02:34:36,597 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:36,598 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:36,598 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:36,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1035452679, now seen corresponding path program 4 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:36,605 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:36,720 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7163 backedges. 87 proven. 1564 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:38,012 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:38,139 WARN L148 SmtUtils]: Spent 122ms on a formula simplification that was a NOOP. DAG size: 124 [2018-04-10 02:34:38,268 WARN L148 SmtUtils]: Spent 127ms on a formula simplification that was a NOOP. DAG size: 124 [2018-04-10 02:34:38,393 WARN L148 SmtUtils]: Spent 122ms on a formula simplification that was a NOOP. DAG size: 124 [2018-04-10 02:34:38,513 WARN L148 SmtUtils]: Spent 118ms on a formula simplification that was a NOOP. DAG size: 124 [2018-04-10 02:34:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 7163 backedges. 87 proven. 1564 refuted. 0 times theorem prover too weak. 5512 trivial. 0 not checked. [2018-04-10 02:34:39,662 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:39,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 52] total 100 [2018-04-10 02:34:39,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-04-10 02:34:39,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-04-10 02:34:39,665 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2178, Invalid=7722, Unknown=0, NotChecked=0, Total=9900 [2018-04-10 02:34:39,665 INFO L87 Difference]: Start difference. First operand 615 states and 623 transitions. Second operand 100 states. [2018-04-10 02:34:41,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:41,904 INFO L93 Difference]: Finished difference Result 642 states and 650 transitions. [2018-04-10 02:34:41,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-04-10 02:34:41,905 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 555 [2018-04-10 02:34:41,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:41,906 INFO L225 Difference]: With dead ends: 642 [2018-04-10 02:34:41,906 INFO L226 Difference]: Without dead ends: 616 [2018-04-10 02:34:41,907 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1168 GetRequests, 1009 SyntacticMatches, 2 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8692 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=6808, Invalid=18314, Unknown=0, NotChecked=0, Total=25122 [2018-04-10 02:34:41,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2018-04-10 02:34:41,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2018-04-10 02:34:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-04-10 02:34:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 617 transitions. [2018-04-10 02:34:41,930 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 617 transitions. Word has length 555 [2018-04-10 02:34:41,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:41,931 INFO L459 AbstractCegarLoop]: Abstraction has 615 states and 617 transitions. [2018-04-10 02:34:41,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-04-10 02:34:41,931 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 617 transitions. [2018-04-10 02:34:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2018-04-10 02:34:41,933 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:41,933 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:41,934 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:41,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1332589304, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:41,940 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:42,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:42,043 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:34:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8122 backedges. 2523 proven. 2929 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2018-04-10 02:34:45,864 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:34:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 8122 backedges. 2523 proven. 2929 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2018-04-10 02:34:50,624 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-10 02:34:50,624 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120, 120] total 179 [2018-04-10 02:34:50,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-04-10 02:34:50,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-04-10 02:34:50,627 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3837, Invalid=28025, Unknown=0, NotChecked=0, Total=31862 [2018-04-10 02:34:50,627 INFO L87 Difference]: Start difference. First operand 615 states and 617 transitions. Second operand 179 states. [2018-04-10 02:34:58,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 02:34:58,680 INFO L93 Difference]: Finished difference Result 648 states and 651 transitions. [2018-04-10 02:34:58,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-04-10 02:34:58,680 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 588 [2018-04-10 02:34:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 02:34:58,682 INFO L225 Difference]: With dead ends: 648 [2018-04-10 02:34:58,682 INFO L226 Difference]: Without dead ends: 615 [2018-04-10 02:34:58,686 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1292 GetRequests, 939 SyntacticMatches, 59 SemanticMatches, 294 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26130 ImplicationChecksByTransitivity, 13.8s TimeCoverageRelationStatistics Valid=12775, Invalid=74545, Unknown=0, NotChecked=0, Total=87320 [2018-04-10 02:34:58,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2018-04-10 02:34:58,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 613. [2018-04-10 02:34:58,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2018-04-10 02:34:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 614 transitions. [2018-04-10 02:34:58,710 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 614 transitions. Word has length 588 [2018-04-10 02:34:58,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 02:34:58,711 INFO L459 AbstractCegarLoop]: Abstraction has 613 states and 614 transitions. [2018-04-10 02:34:58,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-04-10 02:34:58,711 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 614 transitions. [2018-04-10 02:34:58,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2018-04-10 02:34:58,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 02:34:58,728 INFO L355 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 30, 30, 30, 30, 30, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 02:34:58,728 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__U_MULTI_f___________true_valid_memsafety_i__fooErr1RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr3RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr2RequiresViolation, __U_MULTI_f___________true_valid_memsafety_i__fooErr0RequiresViolation, mainErr5RequiresViolation, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr13AssertViolationMEMORY_FREE, mainErr10AssertViolationMEMORY_FREE, mainErr11AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7AssertViolationMEMORY_FREE, mainErr9AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr8AssertViolationMEMORY_FREE, mainErr12AssertViolationMEMORY_FREE]=== [2018-04-10 02:34:58,728 INFO L82 PathProgramCache]: Analyzing trace with hash 784350827, now seen corresponding path program 5 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-10 02:34:58,740 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 02:34:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 02:34:58,865 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-10 02:35:03,671 INFO L134 CoverageAnalysis]: Checked inductivity of 8093 backedges. 2352 proven. 3071 refuted. 0 times theorem prover too weak. 2670 trivial. 0 not checked. [2018-04-10 02:35:03,671 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-10 02:35:04,008 WARN L148 SmtUtils]: Spent 184ms on a formula simplification that was a NOOP. DAG size: 153 [2018-04-10 02:35:04,182 WARN L148 SmtUtils]: Spent 171ms on a formula simplification that was a NOOP. DAG size: 153 [2018-04-10 02:35:04,400 WARN L148 SmtUtils]: Spent 214ms on a formula simplification that was a NOOP. DAG size: 153 [2018-04-10 02:35:04,717 WARN L148 SmtUtils]: Spent 314ms on a formula simplification that was a NOOP. DAG size: 153 [2018-04-10 02:35:04,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-04-10 02:35:04,735 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:35:04,740 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-10 02:35:04,741 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:19 [2018-04-10 02:35:04,926 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 7 [2018-04-10 02:35:04,926 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-10 02:35:04,933 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: alternation not yet supported at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:344) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:264) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-10 02:35:04,935 INFO L168 Benchmark]: Toolchain (without parser) took 204062.20 ms. Allocated memory was 307.2 MB in the beginning and 786.4 MB in the end (delta: 479.2 MB). Free memory was 243.1 MB in the beginning and 392.3 MB in the end (delta: -149.2 MB). Peak memory consumption was 330.0 MB. Max. memory is 5.3 GB. [2018-04-10 02:35:04,936 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 307.2 MB. Free memory is still 269.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 02:35:04,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.75 ms. Allocated memory is still 307.2 MB. Free memory was 243.1 MB in the beginning and 219.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. [2018-04-10 02:35:04,936 INFO L168 Benchmark]: Boogie Preprocessor took 56.42 ms. Allocated memory is still 307.2 MB. Free memory was 219.2 MB in the beginning and 216.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-10 02:35:04,936 INFO L168 Benchmark]: RCFGBuilder took 556.04 ms. Allocated memory was 307.2 MB in the beginning and 469.2 MB in the end (delta: 162.0 MB). Free memory was 216.2 MB in the beginning and 404.7 MB in the end (delta: -188.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 5.3 GB. [2018-04-10 02:35:04,937 INFO L168 Benchmark]: IcfgTransformer took 88819.92 ms. Allocated memory was 469.2 MB in the beginning and 1.4 GB in the end (delta: 915.4 MB). Free memory was 404.7 MB in the beginning and 1.1 GB in the end (delta: -658.5 MB). Peak memory consumption was 256.9 MB. Max. memory is 5.3 GB. [2018-04-10 02:35:04,937 INFO L168 Benchmark]: TraceAbstraction took 114255.16 ms. Allocated memory was 1.4 GB in the beginning and 786.4 MB in the end (delta: -598.2 MB). Free memory was 1.1 GB in the beginning and 392.3 MB in the end (delta: 671.0 MB). Peak memory consumption was 72.7 MB. Max. memory is 5.3 GB. [2018-04-10 02:35:04,939 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 307.2 MB. Free memory is still 269.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 368.75 ms. Allocated memory is still 307.2 MB. Free memory was 243.1 MB in the beginning and 219.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 56.42 ms. Allocated memory is still 307.2 MB. Free memory was 219.2 MB in the beginning and 216.2 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 556.04 ms. Allocated memory was 307.2 MB in the beginning and 469.2 MB in the end (delta: 162.0 MB). Free memory was 216.2 MB in the beginning and 404.7 MB in the end (delta: -188.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 5.3 GB. * IcfgTransformer took 88819.92 ms. Allocated memory was 469.2 MB in the beginning and 1.4 GB in the end (delta: 915.4 MB). Free memory was 404.7 MB in the beginning and 1.1 GB in the end (delta: -658.5 MB). Peak memory consumption was 256.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 114255.16 ms. Allocated memory was 1.4 GB in the beginning and 786.4 MB in the end (delta: -598.2 MB). Free memory was 1.1 GB in the beginning and 392.3 MB in the end (delta: 671.0 MB). Peak memory consumption was 72.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 76 LocStat_MAX_WEQGRAPH_SIZE : 5 LocStat_MAX_SIZEOF_WEQEDGELABEL : 2 LocStat_NO_SUPPORTING_EQUALITIES : 1299 LocStat_NO_SUPPORTING_DISEQUALITIES : 233 LocStat_NO_DISJUNCTIONS : -152 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 100 TransStat_MAX_WEQGRAPH_SIZE : 4 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 115 TransStat_NO_SUPPORTING_DISEQUALITIES : 24 TransStat_NO_DISJUNCTIONS : 103 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 10346.26 RENAME_VARIABLES(MILLISECONDS) : 495.33 UNFREEZE(MILLISECONDS) : 0.00 CONJOIN(MILLISECONDS) : 10421.57 PROJECTAWAY(MILLISECONDS) : 38839.60 ADD_WEAK_EQUALITY(MILLISECONDS) : 9.39 DISJOIN(MILLISECONDS) : 674.80 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 519.35 ADD_EQUALITY(MILLISECONDS) : 14.30 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.00 ADD_DISEQUALITY(MILLISECONDS) : 0.72 #CONJOIN_DISJUNCTIVE : 477 #RENAME_VARIABLES : 972 #UNFREEZE : 0 #CONJOIN : 621 #PROJECTAWAY : 571 #ADD_WEAK_EQUALITY : 21 #DISJOIN : 142 #RENAME_VARIABLES_DISJUNCTIVE : 959 #ADD_EQUALITY : 118 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 22 - StatisticsResult: WeqCcManagerStatistics FREEZE(MILLISECONDS) : 62825.59 ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 10407.29 FILTERREDUNDANT(MILLISECONDS) : 0.00 REPORTWEQ(MILLISECONDS) : 9.13 JOIN(MILLISECONDS) : 664.62 RENAMEVARS(MILLISECONDS) : 483.92 FLATTENLABELS(MILLISECONDS) : 0.00 COPY(MILLISECONDS) : 0.00 ISSTRONGERTHAN(MILLISECONDS) : 34425.40 ISLABELSTRONGERTHAN(MILLISECONDS) : 6517.45 ISWEQGRAPHSTRONGERTHAN(MILLISECONDS) : 180.72 UNFREEZE(MILLISECONDS) : 239.20 REPORTCONTAINS(MILLISECONDS) : 0.00 PROJECTAWAY(MILLISECONDS) : 38667.01 MEETEDGELABELS(MILLISECONDS) : 860.24 REPORTEQUALITY(MILLISECONDS) : 939.00 ADDALLNODES(MILLISECONDS) : 528.73 REPORTDISEQUALITY(MILLISECONDS) : 5.31 WEQGRAPHJOIN(MILLISECONDS) : 555.16 #FREEZE : 3941 #ADDNODE : 0 #MEET : 421 #FILTERREDUNDANT : 0 #REPORTWEQ : 21 #JOIN : 142 #RENAMEVARS : 972 #FLATTENLABELS : 0 #COPY : 0 #ISSTRONGERTHAN : 1027 #ISLABELSTRONGERTHAN : 462156 #ISWEQGRAPHSTRONGERTHAN : 353 #UNFREEZE : 2711 #REPORTCONTAINS : 0 #PROJECTAWAY : 1318 #MEETEDGELABELS : 6510 #REPORTEQUALITY : 6737 #ADDALLNODES : 421 #REPORTDISEQUALITY : 1458 #WEQGRAPHJOIN : 142 - StatisticsResult: CcManagerStatistics ADDNODE(MILLISECONDS) : 0.00 MEET(MILLISECONDS) : 12447.44 REPORT_EQUALITY(MILLISECONDS) : 4040.88 FILTERREDUNDANT(MILLISECONDS) : 48132.40 ADD_ALL_ELEMENTS(MILLISECONDS) : 11817.05 JOIN(MILLISECONDS) : 69.03 ALIGN_ELEMENTS(MILLISECONDS) : 25371.82 COPY(MILLISECONDS) : 0.00 REPORT_DISEQUALITY(MILLISECONDS) : 866.88 UNFREEZE(MILLISECONDS) : 0.00 OVERALL(MILLISECONDS) : 51074.94 REPORTCONTAINS(MILLISECONDS) : 0.00 IS_STRONGER_THAN_NO_CACHING(MILLISECONDS) : 33571.53 REMOVE(MILLISECONDS) : 0.00 IS_STRONGER_THAN_W_CACHING(MILLISECONDS) : 0.00 PROJECT_TO_ELEMENTS(MILLISECONDS) : 2776.63 #ADDNODE : 0 #MEET : 33724 #REPORT_EQUALITY : 535267 #FILTERREDUNDANT : 965557 #ADD_ALL_ELEMENTS : 580686 #JOIN : 142 #ALIGN_ELEMENTS : 273492 #COPY : 0 #REPORT_DISEQUALITY : 192313 #UNFREEZE : 0 #OVERALL : 3799804 #REPORTCONTAINS : 0 #IS_STRONGER_THAN_NO_CACHING : 1186881 #REMOVE : 0 #IS_STRONGER_THAN_W_CACHING : 0 #PROJECT_TO_ELEMENTS : 31742 * Results from de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation: - StatisticsResult: HeapSeparatorStatistics #COUNT_NEW_ARRAY_VARS_[#memory_int] : 2 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_0 : 4 COUNT_BLOCKS_for_[#memory_int]_at_dim_0 : 2 COUNT_ARRAY_WRITES_for_[#memory_int]_at_dim_1 : 3 COUNT_BLOCKS_for_[#memory_int]_at_dim_1 : 1 COUNT_ARRAY_READS for [#memory_int] : 5 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: alternation not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: alternation not yet supported: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:344) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-Benchmark-0-2018-04-10_02-35-04-949.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-VPDomainBenchmark-0-2018-04-10_02-35-04-949.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-0-2018-04-10_02-35-04-949.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-1-2018-04-10_02-35-04-949.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-BenchmarkWithCounters-2-2018-04-10_02-35-04-949.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/960521-1_1_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerCTransformed.xml/Csv-HeapSeparatorBenchmark-0-2018-04-10_02-35-04-949.csv Received shutdown request...