java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/memsafety-ext2/optional_data_creation_test04_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-4cf2d92 [2018-03-28 12:58:13,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-03-28 12:58:13,113 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-03-28 12:58:13,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-03-28 12:58:13,128 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-03-28 12:58:13,129 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-03-28 12:58:13,130 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-03-28 12:58:13,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-03-28 12:58:13,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-03-28 12:58:13,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-03-28 12:58:13,136 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-03-28 12:58:13,136 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-03-28 12:58:13,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-03-28 12:58:13,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-03-28 12:58:13,139 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-03-28 12:58:13,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-03-28 12:58:13,143 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-03-28 12:58:13,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-03-28 12:58:13,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-03-28 12:58:13,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-03-28 12:58:13,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-03-28 12:58:13,155 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-03-28 12:58:13,155 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-03-28 12:58:13,156 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 [2018-03-28 12:58:13,179 INFO L110 SettingsManager]: Loading preferences was successful [2018-03-28 12:58:13,179 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-03-28 12:58:13,180 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-03-28 12:58:13,180 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-03-28 12:58:13,180 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-03-28 12:58:13,181 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-03-28 12:58:13,181 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-03-28 12:58:13,181 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-03-28 12:58:13,181 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-03-28 12:58:13,181 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-03-28 12:58:13,182 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-03-28 12:58:13,182 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-03-28 12:58:13,182 INFO L133 SettingsManager]: * sizeof long=4 [2018-03-28 12:58:13,182 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-03-28 12:58:13,182 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-03-28 12:58:13,183 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-03-28 12:58:13,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-03-28 12:58:13,183 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-03-28 12:58:13,183 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-03-28 12:58:13,183 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-03-28 12:58:13,184 INFO L133 SettingsManager]: * sizeof long double=12 [2018-03-28 12:58:13,184 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-03-28 12:58:13,184 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-03-28 12:58:13,184 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-03-28 12:58:13,184 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-03-28 12:58:13,185 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-03-28 12:58:13,185 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-03-28 12:58:13,185 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-03-28 12:58:13,185 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-03-28 12:58:13,185 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-03-28 12:58:13,185 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-03-28 12:58:13,186 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-03-28 12:58:13,186 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-03-28 12:58:13,187 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-03-28 12:58:13,187 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-03-28 12:58:13,187 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-03-28 12:58:13,187 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-03-28 12:58:13,220 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-03-28 12:58:13,232 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-03-28 12:58:13,235 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-03-28 12:58:13,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-03-28 12:58:13,238 INFO L276 PluginConnector]: CDTParser initialized [2018-03-28 12:58:13,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext2/optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,554 INFO L228 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGac6a3a3fa [2018-03-28 12:58:13,752 INFO L291 CDTParser]: IsIndexed: true [2018-03-28 12:58:13,752 INFO L292 CDTParser]: Found 1 translation units. [2018-03-28 12:58:13,753 INFO L171 CDTParser]: Scanning optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,764 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-03-28 12:58:13,764 INFO L215 ultiparseSymbolTable]: [2018-03-28 12:58:13,764 INFO L218 ultiparseSymbolTable]: Function table: [2018-03-28 12:58:13,764 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeData ('freeData') in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,765 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____bswap_64 ('__bswap_64') in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,765 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,765 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____bswap_32 ('__bswap_32') in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,765 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data ('create_data') in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,765 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__append ('append') in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,765 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-03-28 12:58:13,765 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____useconds_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____u_int in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_condattr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__dev_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____uint8_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____key_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__uint in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__loff_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__nlink_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,766 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_int8_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__quad_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____fd_mask in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____int64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____clockid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__clockid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____sig_atomic_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_attr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__wchar_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,767 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__suseconds_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____uint64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_once_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____fsword_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____syscall_slong_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__fd_mask in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____blkcnt_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____uid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,768 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__ssize_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_int16_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_cond_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_spinlock_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____ino64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____sigset_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____ino_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__id_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,769 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____blkcnt64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_rwlockattr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____int16_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_char in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__off_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____off_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__blkcnt_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__fsfilcnt_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____ssize_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,770 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__timer_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_barrier_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____nlink_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__int32_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____socklen_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_mutexattr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____pid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__key_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____u_quad_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,771 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____off64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_int32_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____fsblkcnt64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____u_char in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____gid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____quad_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____syscall_ulong_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____id_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____timer_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_int in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____rlim64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____uint32_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__fsblkcnt_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____suseconds_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,772 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_rwlock_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__div_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__time_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____pthread_slist_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____int32_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____dev_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____fsblkcnt_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__mode_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__int16_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_key_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__Data in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____caddr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__fd_set in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__lldiv_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____rlim_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,773 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__uid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____u_short in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____intptr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__size_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____mode_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__blksize_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__caddr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____u_long in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__sigset_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__ldiv_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_short in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,774 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__ino_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__daddr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_int64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____fsid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__gid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__register_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__ulong in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_barrierattr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____int8_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,775 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_long in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____fsfilcnt64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__clock_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____fsfilcnt_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__pthread_mutex_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____time_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____loff_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__fsid_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,776 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__u_quad_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__ushort in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____blksize_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____clock_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__int8_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____uint16_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____daddr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__int64_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,777 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____qaddr_t in optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:13,795 INFO L334 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGac6a3a3fa [2018-03-28 12:58:13,799 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-03-28 12:58:13,801 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-03-28 12:58:13,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-03-28 12:58:13,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-03-28 12:58:13,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-03-28 12:58:13,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:58:13" (1/1) ... [2018-03-28 12:58:13,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d96c2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:13, skipping insertion in model container [2018-03-28 12:58:13,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.03 12:58:13" (1/1) ... [2018-03-28 12:58:13,824 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:58:13,856 INFO L167 Dispatcher]: Using SV-COMP mode [2018-03-28 12:58:14,025 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:58:14,082 INFO L175 PostProcessor]: Settings: Checked method=main [2018-03-28 12:58:14,089 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 120 non ball SCCs. Number of states in SCCs 120. [2018-03-28 12:58:14,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14 WrapperNode [2018-03-28 12:58:14,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-03-28 12:58:14,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-03-28 12:58:14,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-03-28 12:58:14,152 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-03-28 12:58:14,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (1/1) ... [2018-03-28 12:58:14,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (1/1) ... [2018-03-28 12:58:14,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (1/1) ... [2018-03-28 12:58:14,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (1/1) ... [2018-03-28 12:58:14,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (1/1) ... [2018-03-28 12:58:14,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (1/1) ... [2018-03-28 12:58:14,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (1/1) ... [2018-03-28 12:58:14,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-03-28 12:58:14,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-03-28 12:58:14,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-03-28 12:58:14,216 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-03-28 12:58:14,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (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 [2018-03-28 12:58:14,322 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-03-28 12:58:14,323 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-03-28 12:58:14,323 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____bswap_32 [2018-03-28 12:58:14,323 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____bswap_64 [2018-03-28 12:58:14,323 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data [2018-03-28 12:58:14,323 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeData [2018-03-28 12:58:14,323 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__append [2018-03-28 12:58:14,324 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-03-28 12:58:14,324 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-03-28 12:58:14,324 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-03-28 12:58:14,324 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-03-28 12:58:14,324 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-03-28 12:58:14,324 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-03-28 12:58:14,324 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-03-28 12:58:14,324 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-03-28 12:58:14,325 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-03-28 12:58:14,325 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-03-28 12:58:14,325 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-03-28 12:58:14,325 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-03-28 12:58:14,325 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-03-28 12:58:14,325 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-03-28 12:58:14,325 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-03-28 12:58:14,326 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-03-28 12:58:14,326 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-03-28 12:58:14,326 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-03-28 12:58:14,326 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____bswap_32 [2018-03-28 12:58:14,326 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i____bswap_64 [2018-03-28 12:58:14,326 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-03-28 12:58:14,326 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-03-28 12:58:14,327 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-03-28 12:58:14,328 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-03-28 12:58:14,329 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-03-28 12:58:14,330 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-03-28 12:58:14,331 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-03-28 12:58:14,332 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-03-28 12:58:14,333 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-03-28 12:58:14,334 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-03-28 12:58:14,335 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-03-28 12:58:14,336 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeData [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__append [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-03-28 12:58:14,337 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-03-28 12:58:14,855 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-03-28 12:58:14,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:58:14 BoogieIcfgContainer [2018-03-28 12:58:14,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-03-28 12:58:14,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-03-28 12:58:14,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-03-28 12:58:14,860 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-03-28 12:58:14,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.03 12:58:13" (1/3) ... [2018-03-28 12:58:14,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c1d0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:58:14, skipping insertion in model container [2018-03-28 12:58:14,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.03 12:58:14" (2/3) ... [2018-03-28 12:58:14,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c1d0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.03 12:58:14, skipping insertion in model container [2018-03-28 12:58:14,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.03 12:58:14" (3/3) ... [2018-03-28 12:58:14,864 INFO L107 eAbstractionObserver]: Analyzing ICFG optional_data_creation_test04_true-valid-memsafety.i [2018-03-28 12:58:14,873 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-03-28 12:58:14,883 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-03-28 12:58:14,930 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-03-28 12:58:14,930 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-03-28 12:58:14,930 INFO L370 AbstractCegarLoop]: Hoare is true [2018-03-28 12:58:14,931 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-03-28 12:58:14,931 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-03-28 12:58:14,931 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-03-28 12:58:14,931 INFO L374 AbstractCegarLoop]: Difference is false [2018-03-28 12:58:14,931 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-03-28 12:58:14,931 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-03-28 12:58:14,931 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-03-28 12:58:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2018-03-28 12:58:14,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-03-28 12:58:14,952 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:14,952 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:14,953 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:14,956 INFO L82 PathProgramCache]: Analyzing trace with hash 137384121, 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 [2018-03-28 12:58:14,967 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:14,997 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:15,035 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 [2018-03-28 12:58:15,037 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:15,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:15,041 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:58:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:15,047 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:15,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:15,074 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:15,074 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-03-28 12:58:15,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-03-28 12:58:15,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-03-28 12:58:15,086 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:58:15,088 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2018-03-28 12:58:15,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:15,244 INFO L93 Difference]: Finished difference Result 288 states and 315 transitions. [2018-03-28 12:58:15,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-03-28 12:58:15,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-03-28 12:58:15,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:15,260 INFO L225 Difference]: With dead ends: 288 [2018-03-28 12:58:15,260 INFO L226 Difference]: Without dead ends: 147 [2018-03-28 12:58:15,265 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-03-28 12:58:15,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-03-28 12:58:15,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 144. [2018-03-28 12:58:15,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-03-28 12:58:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2018-03-28 12:58:15,320 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 8 [2018-03-28 12:58:15,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:15,321 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2018-03-28 12:58:15,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-03-28 12:58:15,321 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2018-03-28 12:58:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-03-28 12:58:15,322 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:15,322 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:15,322 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:15,322 INFO L82 PathProgramCache]: Analyzing trace with hash 137384122, 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 [2018-03-28 12:58:15,331 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:15,345 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:15,356 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 [2018-03-28 12:58:15,357 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:15,369 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:15,370 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:58:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:15,377 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:15,439 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:15,439 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2018-03-28 12:58:15,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:58:15,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:58:15,441 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:58:15,441 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 4 states. [2018-03-28 12:58:15,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:15,643 INFO L93 Difference]: Finished difference Result 147 states and 154 transitions. [2018-03-28 12:58:15,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:58:15,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-03-28 12:58:15,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:15,645 INFO L225 Difference]: With dead ends: 147 [2018-03-28 12:58:15,645 INFO L226 Difference]: Without dead ends: 141 [2018-03-28 12:58:15,646 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:58:15,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-03-28 12:58:15,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2018-03-28 12:58:15,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-03-28 12:58:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 145 transitions. [2018-03-28 12:58:15,659 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 145 transitions. Word has length 8 [2018-03-28 12:58:15,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:15,660 INFO L459 AbstractCegarLoop]: Abstraction has 139 states and 145 transitions. [2018-03-28 12:58:15,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:58:15,660 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-03-28 12:58:15,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-28 12:58:15,661 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:15,661 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:15,661 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:15,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1373099761, 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 [2018-03-28 12:58:15,668 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:15,699 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:15,703 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 [2018-03-28 12:58:15,703 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:15,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:15,705 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:58:15,724 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:15,724 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:15,725 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 17 treesize of output 21 [2018-03-28 12:58:15,726 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:15,731 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. [2018-03-28 12:58:15,731 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-03-28 12:58:15,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:15,746 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:15,839 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:15,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2018-03-28 12:58:15,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 12:58:15,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 12:58:15,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-03-28 12:58:15,840 INFO L87 Difference]: Start difference. First operand 139 states and 145 transitions. Second operand 9 states. [2018-03-28 12:58:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:16,175 INFO L93 Difference]: Finished difference Result 152 states and 160 transitions. [2018-03-28 12:58:16,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 12:58:16,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-03-28 12:58:16,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:16,177 INFO L225 Difference]: With dead ends: 152 [2018-03-28 12:58:16,178 INFO L226 Difference]: Without dead ends: 151 [2018-03-28 12:58:16,178 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-03-28 12:58:16,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-03-28 12:58:16,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 145. [2018-03-28 12:58:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-03-28 12:58:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2018-03-28 12:58:16,188 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 15 [2018-03-28 12:58:16,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:16,188 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2018-03-28 12:58:16,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 12:58:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2018-03-28 12:58:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-03-28 12:58:16,189 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:16,189 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:16,190 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:16,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1373099760, 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 [2018-03-28 12:58:16,199 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:16,217 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:16,228 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 [2018-03-28 12:58:16,228 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:16,237 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 [2018-03-28 12:58:16,238 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:16,244 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:16,245 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-03-28 12:58:16,293 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:16,294 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:16,295 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 [2018-03-28 12:58:16,295 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:16,307 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:16,308 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 [2018-03-28 12:58:16,308 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:16,319 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. [2018-03-28 12:58:16,320 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-03-28 12:58:16,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:16,333 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:16,475 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:16,475 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-03-28 12:58:16,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 12:58:16,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 12:58:16,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:58:16,476 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand 10 states. [2018-03-28 12:58:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:16,841 INFO L93 Difference]: Finished difference Result 151 states and 159 transitions. [2018-03-28 12:58:16,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 12:58:16,841 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2018-03-28 12:58:16,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:16,842 INFO L225 Difference]: With dead ends: 151 [2018-03-28 12:58:16,842 INFO L226 Difference]: Without dead ends: 150 [2018-03-28 12:58:16,843 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-03-28 12:58:16,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-03-28 12:58:16,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 145. [2018-03-28 12:58:16,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-03-28 12:58:16,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 152 transitions. [2018-03-28 12:58:16,852 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 152 transitions. Word has length 15 [2018-03-28 12:58:16,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:16,852 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 152 transitions. [2018-03-28 12:58:16,852 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 12:58:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2018-03-28 12:58:16,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-28 12:58:16,853 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:16,853 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:16,853 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:16,853 INFO L82 PathProgramCache]: Analyzing trace with hash 383580412, 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 [2018-03-28 12:58:16,859 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:16,871 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:16,874 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 6 treesize of output 5 [2018-03-28 12:58:16,874 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:16,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:16,875 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:58:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:16,880 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:16,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:16,903 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:16,904 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:58:16,904 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:58:16,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:58:16,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:58:16,904 INFO L87 Difference]: Start difference. First operand 145 states and 152 transitions. Second operand 4 states. [2018-03-28 12:58:16,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:16,990 INFO L93 Difference]: Finished difference Result 145 states and 152 transitions. [2018-03-28 12:58:16,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:58:16,991 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-03-28 12:58:16,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:16,992 INFO L225 Difference]: With dead ends: 145 [2018-03-28 12:58:16,992 INFO L226 Difference]: Without dead ends: 144 [2018-03-28 12:58:16,992 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:58:16,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-03-28 12:58:17,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-03-28 12:58:17,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-03-28 12:58:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2018-03-28 12:58:17,002 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 16 [2018-03-28 12:58:17,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:17,003 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2018-03-28 12:58:17,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:58:17,003 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2018-03-28 12:58:17,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-03-28 12:58:17,003 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:17,003 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:17,004 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:17,004 INFO L82 PathProgramCache]: Analyzing trace with hash 383580413, 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 [2018-03-28 12:58:17,010 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:17,029 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:17,033 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 [2018-03-28 12:58:17,033 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:17,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:17,038 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:58:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,050 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,118 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:17,118 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 12:58:17,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:58:17,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:58:17,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:58:17,119 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 6 states. [2018-03-28 12:58:17,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:17,206 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2018-03-28 12:58:17,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:58:17,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-03-28 12:58:17,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:17,207 INFO L225 Difference]: With dead ends: 144 [2018-03-28 12:58:17,207 INFO L226 Difference]: Without dead ends: 143 [2018-03-28 12:58:17,207 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:58:17,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-03-28 12:58:17,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-03-28 12:58:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-03-28 12:58:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2018-03-28 12:58:17,214 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 16 [2018-03-28 12:58:17,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:17,214 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2018-03-28 12:58:17,215 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:58:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2018-03-28 12:58:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:58:17,215 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:17,215 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] [2018-03-28 12:58:17,215 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:17,215 INFO L82 PathProgramCache]: Analyzing trace with hash -334512693, 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 [2018-03-28 12:58:17,222 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:17,238 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,257 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:17,286 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 12 treesize of output 10 [2018-03-28 12:58:17,287 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:17,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:17,290 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:29, output treesize:3 [2018-03-28 12:58:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,316 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:17,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2018-03-28 12:58:17,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-03-28 12:58:17,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-03-28 12:58:17,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:58:17,317 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand 8 states. [2018-03-28 12:58:17,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:17,461 INFO L93 Difference]: Finished difference Result 154 states and 162 transitions. [2018-03-28 12:58:17,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-03-28 12:58:17,461 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-03-28 12:58:17,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:17,463 INFO L225 Difference]: With dead ends: 154 [2018-03-28 12:58:17,463 INFO L226 Difference]: Without dead ends: 153 [2018-03-28 12:58:17,464 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-03-28 12:58:17,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-03-28 12:58:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 146. [2018-03-28 12:58:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-03-28 12:58:17,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-03-28 12:58:17,470 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 25 [2018-03-28 12:58:17,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:17,471 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-03-28 12:58:17,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-03-28 12:58:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-03-28 12:58:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-03-28 12:58:17,472 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:17,472 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] [2018-03-28 12:58:17,472 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:17,472 INFO L82 PathProgramCache]: Analyzing trace with hash -334512694, 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 [2018-03-28 12:58:17,477 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:17,502 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,514 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,558 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:17,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-03-28 12:58:17,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:58:17,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:58:17,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:58:17,559 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 5 states. [2018-03-28 12:58:17,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:17,801 INFO L93 Difference]: Finished difference Result 179 states and 190 transitions. [2018-03-28 12:58:17,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:58:17,801 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-03-28 12:58:17,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:17,803 INFO L225 Difference]: With dead ends: 179 [2018-03-28 12:58:17,803 INFO L226 Difference]: Without dead ends: 178 [2018-03-28 12:58:17,803 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:58:17,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-03-28 12:58:17,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 145. [2018-03-28 12:58:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-03-28 12:58:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 152 transitions. [2018-03-28 12:58:17,814 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 152 transitions. Word has length 25 [2018-03-28 12:58:17,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:17,815 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 152 transitions. [2018-03-28 12:58:17,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:58:17,815 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2018-03-28 12:58:17,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-03-28 12:58:17,816 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:17,816 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] [2018-03-28 12:58:17,816 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:17,816 INFO L82 PathProgramCache]: Analyzing trace with hash 655849899, 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 [2018-03-28 12:58:17,826 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:17,849 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:17,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,886 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:17,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:17,940 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:17,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-03-28 12:58:17,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:58:17,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:58:17,941 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:58:17,941 INFO L87 Difference]: Start difference. First operand 145 states and 152 transitions. Second operand 5 states. [2018-03-28 12:58:18,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:18,086 INFO L93 Difference]: Finished difference Result 178 states and 188 transitions. [2018-03-28 12:58:18,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:58:18,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-03-28 12:58:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:18,089 INFO L225 Difference]: With dead ends: 178 [2018-03-28 12:58:18,089 INFO L226 Difference]: Without dead ends: 177 [2018-03-28 12:58:18,089 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:58:18,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-03-28 12:58:18,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 144. [2018-03-28 12:58:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-03-28 12:58:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2018-03-28 12:58:18,100 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 27 [2018-03-28 12:58:18,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:18,100 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2018-03-28 12:58:18,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:58:18,100 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2018-03-28 12:58:18,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-03-28 12:58:18,101 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:18,101 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] [2018-03-28 12:58:18,101 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:18,101 INFO L82 PathProgramCache]: Analyzing trace with hash 655849900, now seen corresponding path program 1 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 [2018-03-28 12:58:18,109 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:18,130 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,144 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:18,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,242 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:18,242 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-03-28 12:58:18,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:58:18,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:58:18,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=11, Unknown=1, NotChecked=0, Total=20 [2018-03-28 12:58:18,243 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 5 states. [2018-03-28 12:58:18,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:18,394 INFO L93 Difference]: Finished difference Result 147 states and 154 transitions. [2018-03-28 12:58:18,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:58:18,395 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2018-03-28 12:58:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:18,396 INFO L225 Difference]: With dead ends: 147 [2018-03-28 12:58:18,396 INFO L226 Difference]: Without dead ends: 146 [2018-03-28 12:58:18,397 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=11, Unknown=1, NotChecked=0, Total=20 [2018-03-28 12:58:18,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-03-28 12:58:18,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-03-28 12:58:18,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-03-28 12:58:18,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2018-03-28 12:58:18,407 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 27 [2018-03-28 12:58:18,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:18,408 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2018-03-28 12:58:18,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:58:18,408 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2018-03-28 12:58:18,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-03-28 12:58:18,409 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:18,409 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] [2018-03-28 12:58:18,409 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:18,409 INFO L82 PathProgramCache]: Analyzing trace with hash -9092588, 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 [2018-03-28 12:58:18,416 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:18,434 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:18,437 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 [2018-03-28 12:58:18,437 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:18,450 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:18,451 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:58:18,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,456 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,479 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:18,479 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-03-28 12:58:18,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:58:18,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:58:18,480 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:58:18,480 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand 4 states. [2018-03-28 12:58:18,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:18,542 INFO L93 Difference]: Finished difference Result 146 states and 153 transitions. [2018-03-28 12:58:18,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:58:18,543 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-03-28 12:58:18,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:18,543 INFO L225 Difference]: With dead ends: 146 [2018-03-28 12:58:18,544 INFO L226 Difference]: Without dead ends: 142 [2018-03-28 12:58:18,544 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:58:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-03-28 12:58:18,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-03-28 12:58:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-03-28 12:58:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2018-03-28 12:58:18,555 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 27 [2018-03-28 12:58:18,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:18,555 INFO L459 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2018-03-28 12:58:18,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:58:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2018-03-28 12:58:18,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-03-28 12:58:18,556 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:18,556 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] [2018-03-28 12:58:18,556 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:18,557 INFO L82 PathProgramCache]: Analyzing trace with hash -9092587, 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 [2018-03-28 12:58:18,574 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:18,592 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:18,607 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 [2018-03-28 12:58:18,607 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:18,618 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:18,618 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:58:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,629 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,671 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:18,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-03-28 12:58:18,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:58:18,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:58:18,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:58:18,672 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand 6 states. [2018-03-28 12:58:18,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:18,768 INFO L93 Difference]: Finished difference Result 149 states and 156 transitions. [2018-03-28 12:58:18,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:58:18,769 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-03-28 12:58:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:18,770 INFO L225 Difference]: With dead ends: 149 [2018-03-28 12:58:18,770 INFO L226 Difference]: Without dead ends: 145 [2018-03-28 12:58:18,770 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:58:18,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-03-28 12:58:18,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 141. [2018-03-28 12:58:18,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-03-28 12:58:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2018-03-28 12:58:18,780 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 27 [2018-03-28 12:58:18,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:18,781 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2018-03-28 12:58:18,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:58:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2018-03-28 12:58:18,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:58:18,782 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:18,782 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:18,783 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:18,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1471928935, 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 [2018-03-28 12:58:18,790 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:18,814 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,845 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:18,890 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 7 [2018-03-28 12:58:18,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:18,892 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:18,892 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:3 [2018-03-28 12:58:18,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:18,931 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:18,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2018-03-28 12:58:18,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-03-28 12:58:18,932 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-03-28 12:58:18,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:58:18,933 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 7 states. [2018-03-28 12:58:19,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:19,158 INFO L93 Difference]: Finished difference Result 177 states and 188 transitions. [2018-03-28 12:58:19,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:58:19,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-03-28 12:58:19,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:19,159 INFO L225 Difference]: With dead ends: 177 [2018-03-28 12:58:19,159 INFO L226 Difference]: Without dead ends: 174 [2018-03-28 12:58:19,160 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-03-28 12:58:19,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-03-28 12:58:19,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 144. [2018-03-28 12:58:19,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-03-28 12:58:19,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 151 transitions. [2018-03-28 12:58:19,170 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 151 transitions. Word has length 34 [2018-03-28 12:58:19,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:19,170 INFO L459 AbstractCegarLoop]: Abstraction has 144 states and 151 transitions. [2018-03-28 12:58:19,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-03-28 12:58:19,170 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 151 transitions. [2018-03-28 12:58:19,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:58:19,171 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:19,171 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:19,171 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:19,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1471928936, now seen corresponding path program 1 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 [2018-03-28 12:58:19,178 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:19,197 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:19,251 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:19,310 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 13 treesize of output 9 [2018-03-28 12:58:19,310 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:19,313 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:58:19,313 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:7 [2018-03-28 12:58:19,348 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:19,349 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:19,350 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 11 treesize of output 13 [2018-03-28 12:58:19,350 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:19,352 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:19,352 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2018-03-28 12:58:19,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:19,384 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:19,384 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2018-03-28 12:58:19,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-03-28 12:58:19,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-03-28 12:58:19,385 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=52, Unknown=2, NotChecked=0, Total=72 [2018-03-28 12:58:19,385 INFO L87 Difference]: Start difference. First operand 144 states and 151 transitions. Second operand 9 states. [2018-03-28 12:58:29,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:29,820 INFO L93 Difference]: Finished difference Result 191 states and 205 transitions. [2018-03-28 12:58:29,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-03-28 12:58:29,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-03-28 12:58:29,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:29,822 INFO L225 Difference]: With dead ends: 191 [2018-03-28 12:58:29,822 INFO L226 Difference]: Without dead ends: 190 [2018-03-28 12:58:29,822 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=131, Unknown=3, NotChecked=0, Total=182 [2018-03-28 12:58:29,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-03-28 12:58:29,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 141. [2018-03-28 12:58:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-03-28 12:58:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2018-03-28 12:58:29,831 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 34 [2018-03-28 12:58:29,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:29,831 INFO L459 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2018-03-28 12:58:29,831 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-03-28 12:58:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2018-03-28 12:58:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:58:29,832 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:29,832 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:29,832 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:29,832 INFO L82 PathProgramCache]: Analyzing trace with hash -412611706, now seen corresponding path program 1 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 [2018-03-28 12:58:29,841 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:29,856 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:29,862 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:29,889 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:29,889 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2018-03-28 12:58:29,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-03-28 12:58:29,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-03-28 12:58:29,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:58:29,890 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand 4 states. [2018-03-28 12:58:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:58:29,908 INFO L93 Difference]: Finished difference Result 278 states and 295 transitions. [2018-03-28 12:58:29,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-03-28 12:58:29,908 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-03-28 12:58:29,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:58:29,909 INFO L225 Difference]: With dead ends: 278 [2018-03-28 12:58:29,909 INFO L226 Difference]: Without dead ends: 152 [2018-03-28 12:58:29,910 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-03-28 12:58:29,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-03-28 12:58:29,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 143. [2018-03-28 12:58:29,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-03-28 12:58:29,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2018-03-28 12:58:29,920 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 34 [2018-03-28 12:58:29,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:58:29,920 INFO L459 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2018-03-28 12:58:29,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-03-28 12:58:29,920 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2018-03-28 12:58:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-03-28 12:58:29,921 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:58:29,921 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:58:29,921 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:58:29,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1186900049, now seen corresponding path program 1 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 [2018-03-28 12:58:29,927 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:58:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:58:29,949 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:58:29,993 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data_~data~0.base Int)) (and (= (store |c_old(#length)| __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data_~data~0.base 8) |c_#length|) (= (select |c_old(#valid)| __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data_~data~0.base) 0))) is different from true [2018-03-28 12:58:30,014 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:30,016 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 14 treesize of output 17 [2018-03-28 12:58:30,016 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,026 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:30,026 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:58:30,027 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 [2018-03-28 12:58:30,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:30,034 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. [2018-03-28 12:58:30,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-03-28 12:58:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:30,049 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:58:30,120 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 27 [2018-03-28 12:58:38,591 WARN L151 SmtUtils]: Spent 8088ms on a formula simplification. DAG size of input: 62 DAG size of output 27 [2018-03-28 12:58:38,616 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2018-03-28 12:58:39,730 WARN L151 SmtUtils]: Spent 1058ms on a formula simplification. DAG size of input: 40 DAG size of output 28 [2018-03-28 12:58:39,757 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:39,757 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:58:39,758 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 13 treesize of output 3 [2018-03-28 12:58:39,758 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:39,762 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-03-28 12:58:39,763 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:58:39,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:58:39,765 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:56, output treesize:3 [2018-03-28 12:58:39,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:58:39,796 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:58:39,796 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 12 [2018-03-28 12:58:39,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-03-28 12:58:39,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-03-28 12:58:39,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=104, Unknown=1, NotChecked=20, Total=156 [2018-03-28 12:58:39,797 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand 13 states. [2018-03-28 12:58:42,153 WARN L148 SmtUtils]: Spent 2064ms on a formula simplification that was a NOOP. DAG size: 41 [2018-03-28 12:58:54,524 WARN L151 SmtUtils]: Spent 219ms on a formula simplification. DAG size of input: 37 DAG size of output 33 [2018-03-28 12:59:17,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:17,386 INFO L93 Difference]: Finished difference Result 161 states and 170 transitions. [2018-03-28 12:59:17,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 12:59:17,387 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2018-03-28 12:59:17,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:17,388 INFO L225 Difference]: With dead ends: 161 [2018-03-28 12:59:17,388 INFO L226 Difference]: Without dead ends: 160 [2018-03-28 12:59:17,388 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 26.8s TimeCoverageRelationStatistics Valid=112, Invalid=305, Unknown=7, NotChecked=38, Total=462 [2018-03-28 12:59:17,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-03-28 12:59:17,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 148. [2018-03-28 12:59:17,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-03-28 12:59:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 155 transitions. [2018-03-28 12:59:17,400 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 155 transitions. Word has length 34 [2018-03-28 12:59:17,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:17,400 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 155 transitions. [2018-03-28 12:59:17,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-03-28 12:59:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 155 transitions. [2018-03-28 12:59:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 12:59:17,401 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:17,401 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:17,401 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:17,402 INFO L82 PathProgramCache]: Analyzing trace with hash 93975803, 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 [2018-03-28 12:59:17,409 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:17,426 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:17,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-03-28 12:59:17,429 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,430 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,431 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-03-28 12:59:17,442 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:59:17,444 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 10 treesize of output 9 [2018-03-28 12:59:17,444 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,445 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,449 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,449 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-03-28 12:59:17,456 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 21 treesize of output 17 [2018-03-28 12:59:17,457 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 17 treesize of output 5 [2018-03-28 12:59:17,458 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,458 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,459 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,460 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-03-28 12:59:17,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:17,463 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:17,491 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:17,491 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:59:17,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:59:17,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:59:17,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:59:17,492 INFO L87 Difference]: Start difference. First operand 148 states and 155 transitions. Second operand 5 states. [2018-03-28 12:59:17,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:17,571 INFO L93 Difference]: Finished difference Result 148 states and 155 transitions. [2018-03-28 12:59:17,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:59:17,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 35 [2018-03-28 12:59:17,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:17,572 INFO L225 Difference]: With dead ends: 148 [2018-03-28 12:59:17,572 INFO L226 Difference]: Without dead ends: 147 [2018-03-28 12:59:17,572 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:59:17,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-03-28 12:59:17,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-03-28 12:59:17,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-03-28 12:59:17,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 154 transitions. [2018-03-28 12:59:17,583 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 154 transitions. Word has length 35 [2018-03-28 12:59:17,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:17,583 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 154 transitions. [2018-03-28 12:59:17,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:59:17,583 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2018-03-28 12:59:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-03-28 12:59:17,584 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:17,584 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:17,584 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:17,584 INFO L82 PathProgramCache]: Analyzing trace with hash 93975804, 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 [2018-03-28 12:59:17,592 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:17,611 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:17,615 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 [2018-03-28 12:59:17,615 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,630 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,630 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:59:17,646 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:59:17,648 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 10 treesize of output 9 [2018-03-28 12:59:17,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,649 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:59:17,657 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 10 treesize of output 9 [2018-03-28 12:59:17,657 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,659 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,663 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-03-28 12:59:17,683 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 21 treesize of output 17 [2018-03-28 12:59:17,685 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 17 treesize of output 5 [2018-03-28 12:59:17,685 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,694 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 [2018-03-28 12:59:17,695 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 [2018-03-28 12:59:17,695 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,697 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,701 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:17,701 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:45, output treesize:15 [2018-03-28 12:59:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:17,710 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:17,847 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:17,847 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-03-28 12:59:17,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:59:17,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:59:17,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:59:17,848 INFO L87 Difference]: Start difference. First operand 147 states and 154 transitions. Second operand 12 states. [2018-03-28 12:59:18,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:18,179 INFO L93 Difference]: Finished difference Result 155 states and 162 transitions. [2018-03-28 12:59:18,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-03-28 12:59:18,180 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 35 [2018-03-28 12:59:18,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:18,181 INFO L225 Difference]: With dead ends: 155 [2018-03-28 12:59:18,181 INFO L226 Difference]: Without dead ends: 154 [2018-03-28 12:59:18,181 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2018-03-28 12:59:18,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-03-28 12:59:18,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 150. [2018-03-28 12:59:18,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-03-28 12:59:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 157 transitions. [2018-03-28 12:59:18,193 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 157 transitions. Word has length 35 [2018-03-28 12:59:18,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:18,194 INFO L459 AbstractCegarLoop]: Abstraction has 150 states and 157 transitions. [2018-03-28 12:59:18,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:59:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 157 transitions. [2018-03-28 12:59:18,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-03-28 12:59:18,195 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:18,195 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:18,195 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:18,195 INFO L82 PathProgramCache]: Analyzing trace with hash 1850354320, now seen corresponding path program 1 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 [2018-03-28 12:59:18,206 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:18,227 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:18,248 WARN L1033 $PredicateComparison]: unable to prove that (exists ((__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data_~data~0.base Int)) (and (= (store |c_old(#length)| __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data_~data~0.base 8) |c_#length|) (= (select |c_old(#valid)| __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_data_~data~0.base) 0))) is different from true [2018-03-28 12:59:18,260 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:18,261 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 14 treesize of output 17 [2018-03-28 12:59:18,262 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:18,273 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:18,274 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:18,274 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 [2018-03-28 12:59:18,275 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:18,280 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. [2018-03-28 12:59:18,280 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-03-28 12:59:18,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:18,292 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:18,351 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 27 [2018-03-28 12:59:22,562 WARN L151 SmtUtils]: Spent 4120ms on a formula simplification. DAG size of input: 62 DAG size of output 22 [2018-03-28 12:59:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:22,638 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:22,638 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 10 [2018-03-28 12:59:22,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-03-28 12:59:22,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-03-28 12:59:22,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=69, Unknown=1, NotChecked=16, Total=110 [2018-03-28 12:59:22,639 INFO L87 Difference]: Start difference. First operand 150 states and 157 transitions. Second operand 11 states. [2018-03-28 12:59:39,612 WARN L151 SmtUtils]: Spent 180ms on a formula simplification. DAG size of input: 60 DAG size of output 54 [2018-03-28 12:59:49,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:49,956 INFO L93 Difference]: Finished difference Result 160 states and 168 transitions. [2018-03-28 12:59:49,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-03-28 12:59:49,956 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2018-03-28 12:59:49,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:49,957 INFO L225 Difference]: With dead ends: 160 [2018-03-28 12:59:49,957 INFO L226 Difference]: Without dead ends: 159 [2018-03-28 12:59:49,957 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 20.7s TimeCoverageRelationStatistics Valid=61, Invalid=145, Unknown=8, NotChecked=26, Total=240 [2018-03-28 12:59:49,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-03-28 12:59:49,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 147. [2018-03-28 12:59:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-03-28 12:59:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 154 transitions. [2018-03-28 12:59:49,969 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 154 transitions. Word has length 36 [2018-03-28 12:59:49,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:49,969 INFO L459 AbstractCegarLoop]: Abstraction has 147 states and 154 transitions. [2018-03-28 12:59:49,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-03-28 12:59:49,969 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 154 transitions. [2018-03-28 12:59:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-28 12:59:49,970 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:49,970 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-03-28 12:59:49,970 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:49,971 INFO L82 PathProgramCache]: Analyzing trace with hash -941852942, now seen corresponding path program 1 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 [2018-03-28 12:59:49,979 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:50,004 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:50,183 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:50,184 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 12 treesize of output 15 [2018-03-28 12:59:50,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:50,194 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:50,194 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:50,195 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 [2018-03-28 12:59:50,195 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:50,203 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. [2018-03-28 12:59:50,204 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:18 [2018-03-28 12:59:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:50,226 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:50,478 WARN L148 SmtUtils]: Spent 202ms on a formula simplification that was a NOOP. DAG size: 25 [2018-03-28 12:59:50,690 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:59:50,690 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:59:50,691 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 25 treesize of output 16 [2018-03-28 12:59:50,691 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:50,699 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-03-28 12:59:50,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:50,705 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:59:50,705 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:7 [2018-03-28 12:59:50,838 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:59:50,838 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:59:50,839 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-03-28 12:59:50,839 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:50,848 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:59:50,849 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 12:59:50,849 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 13 [2018-03-28 12:59:50,850 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:50,854 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:50,854 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:26, output treesize:3 [2018-03-28 12:59:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:50,893 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:59:50,894 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-03-28 12:59:50,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-03-28 12:59:50,894 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-03-28 12:59:50,894 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-03-28 12:59:50,894 INFO L87 Difference]: Start difference. First operand 147 states and 154 transitions. Second operand 16 states. [2018-03-28 12:59:54,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:54,230 INFO L93 Difference]: Finished difference Result 189 states and 202 transitions. [2018-03-28 12:59:54,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-03-28 12:59:54,230 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 38 [2018-03-28 12:59:54,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:54,232 INFO L225 Difference]: With dead ends: 189 [2018-03-28 12:59:54,232 INFO L226 Difference]: Without dead ends: 188 [2018-03-28 12:59:54,232 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=182, Invalid=688, Unknown=0, NotChecked=0, Total=870 [2018-03-28 12:59:54,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-03-28 12:59:54,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 140. [2018-03-28 12:59:54,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-03-28 12:59:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 146 transitions. [2018-03-28 12:59:54,241 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 146 transitions. Word has length 38 [2018-03-28 12:59:54,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:54,241 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 146 transitions. [2018-03-28 12:59:54,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-03-28 12:59:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 146 transitions. [2018-03-28 12:59:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-28 12:59:54,242 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:54,242 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:54,242 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:54,242 INFO L82 PathProgramCache]: Analyzing trace with hash 135567723, now seen corresponding path program 1 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 [2018-03-28 12:59:54,247 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:54,265 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:54,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:59:54,287 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 [2018-03-28 12:59:54,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:54,290 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:54,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:54,294 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-03-28 12:59:54,319 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 17 treesize of output 13 [2018-03-28 12:59:54,321 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 13 treesize of output 5 [2018-03-28 12:59:54,321 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:54,322 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:54,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:54,324 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2018-03-28 12:59:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:54,332 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:54,393 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 9 treesize of output 7 [2018-03-28 12:59:54,395 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 7 treesize of output 5 [2018-03-28 12:59:54,395 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:54,396 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:54,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 4 xjuncts. [2018-03-28 12:59:54,408 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:17, output treesize:44 [2018-03-28 12:59:54,465 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 32 [2018-03-28 12:59:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:54,562 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:54,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 7] imperfect sequences [] total 11 [2018-03-28 12:59:54,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-03-28 12:59:54,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-03-28 12:59:54,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-03-28 12:59:54,563 INFO L87 Difference]: Start difference. First operand 140 states and 146 transitions. Second operand 12 states. [2018-03-28 12:59:55,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:55,109 INFO L93 Difference]: Finished difference Result 181 states and 191 transitions. [2018-03-28 12:59:55,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-03-28 12:59:55,109 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 38 [2018-03-28 12:59:55,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:55,111 INFO L225 Difference]: With dead ends: 181 [2018-03-28 12:59:55,111 INFO L226 Difference]: Without dead ends: 180 [2018-03-28 12:59:55,111 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2018-03-28 12:59:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-03-28 12:59:55,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 146. [2018-03-28 12:59:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-03-28 12:59:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-03-28 12:59:55,125 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 38 [2018-03-28 12:59:55,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:55,126 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-03-28 12:59:55,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-03-28 12:59:55,126 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-03-28 12:59:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-03-28 12:59:55,126 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:55,127 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:55,127 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:55,127 INFO L82 PathProgramCache]: Analyzing trace with hash 135567724, now seen corresponding path program 1 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 [2018-03-28 12:59:55,142 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:55,167 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:55,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:59:55,234 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 [2018-03-28 12:59:55,235 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,237 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:59:55,254 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 [2018-03-28 12:59:55,254 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,256 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,262 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,262 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-03-28 12:59:55,301 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 17 treesize of output 13 [2018-03-28 12:59:55,303 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 13 treesize of output 5 [2018-03-28 12:59:55,303 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,306 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,313 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 15 treesize of output 11 [2018-03-28 12:59:55,315 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 11 treesize of output 3 [2018-03-28 12:59:55,315 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,317 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,320 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,321 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:31, output treesize:9 [2018-03-28 12:59:55,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:55,336 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:55,600 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 23 treesize of output 21 [2018-03-28 12:59:55,602 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 13 treesize of output 11 [2018-03-28 12:59:55,602 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:55,607 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:55,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 19 treesize of output 17 [2018-03-28 12:59:55,612 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 13 treesize of output 11 [2018-03-28 12:59:55,612 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:55,620 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:55,622 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 17 [2018-03-28 12:59:55,625 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-03-28 12:59:55,626 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:55,642 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:55,720 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 13 treesize of output 11 [2018-03-28 12:59:55,722 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-03-28 12:59:55,723 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,724 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 13 treesize of output 11 [2018-03-28 12:59:55,733 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 7 treesize of output 5 [2018-03-28 12:59:55,734 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,736 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,763 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:59:55,763 INFO L202 ElimStorePlain]: Needed 11 recursive calls to eliminate 3 variables, input treesize:49, output treesize:19 [2018-03-28 12:59:55,857 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 15 treesize of output 13 [2018-03-28 12:59:55,858 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,871 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 15 treesize of output 13 [2018-03-28 12:59:55,871 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:55,880 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:59:55,880 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:15 [2018-03-28 12:59:55,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:55,973 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:55,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 18 [2018-03-28 12:59:55,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-03-28 12:59:55,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-03-28 12:59:55,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=282, Unknown=1, NotChecked=0, Total=342 [2018-03-28 12:59:55,974 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 19 states. [2018-03-28 12:59:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:56,704 INFO L93 Difference]: Finished difference Result 198 states and 212 transitions. [2018-03-28 12:59:56,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-03-28 12:59:56,704 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 38 [2018-03-28 12:59:56,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:56,705 INFO L225 Difference]: With dead ends: 198 [2018-03-28 12:59:56,705 INFO L226 Difference]: Without dead ends: 197 [2018-03-28 12:59:56,706 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=148, Invalid=663, Unknown=1, NotChecked=0, Total=812 [2018-03-28 12:59:56,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-03-28 12:59:56,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 162. [2018-03-28 12:59:56,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-03-28 12:59:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2018-03-28 12:59:56,715 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 38 [2018-03-28 12:59:56,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:56,715 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2018-03-28 12:59:56,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-03-28 12:59:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2018-03-28 12:59:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-03-28 12:59:56,716 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:56,716 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:56,716 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:56,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1343921866, 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 [2018-03-28 12:59:56,723 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:56,739 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:56,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:59:56,796 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-03-28 12:59:56,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,798 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,801 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:8 [2018-03-28 12:59:56,815 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 16 treesize of output 12 [2018-03-28 12:59:56,817 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 12 treesize of output 4 [2018-03-28 12:59:56,817 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,818 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,819 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,819 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:4 [2018-03-28 12:59:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:56,826 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:56,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 12 treesize of output 10 [2018-03-28 12:59:56,890 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 [2018-03-28 12:59:56,890 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,891 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,892 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 12 treesize of output 10 [2018-03-28 12:59:56,906 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 6 treesize of output 1 [2018-03-28 12:59:56,906 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,908 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:56,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:59:56,915 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:16, output treesize:11 [2018-03-28 12:59:56,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:56,952 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:56,952 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 8] imperfect sequences [] total 10 [2018-03-28 12:59:56,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-03-28 12:59:56,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-03-28 12:59:56,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-03-28 12:59:56,953 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand 10 states. [2018-03-28 12:59:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:57,149 INFO L93 Difference]: Finished difference Result 199 states and 211 transitions. [2018-03-28 12:59:57,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-03-28 12:59:57,149 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2018-03-28 12:59:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:57,150 INFO L225 Difference]: With dead ends: 199 [2018-03-28 12:59:57,150 INFO L226 Difference]: Without dead ends: 193 [2018-03-28 12:59:57,151 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2018-03-28 12:59:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-03-28 12:59:57,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 162. [2018-03-28 12:59:57,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-03-28 12:59:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 170 transitions. [2018-03-28 12:59:57,159 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 170 transitions. Word has length 40 [2018-03-28 12:59:57,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:57,159 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 170 transitions. [2018-03-28 12:59:57,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-03-28 12:59:57,160 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 170 transitions. [2018-03-28 12:59:57,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-03-28 12:59:57,160 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:57,160 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:57,160 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:57,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1240656485, 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 [2018-03-28 12:59:57,166 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:57,186 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:57,193 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 17 treesize of output 13 [2018-03-28 12:59:57,194 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 13 treesize of output 5 [2018-03-28 12:59:57,194 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,195 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,196 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-03-28 12:59:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:57,200 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:57,202 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-03-28 12:59:57,202 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,203 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-03-28 12:59:57,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:57,230 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:57,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-03-28 12:59:57,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-03-28 12:59:57,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-03-28 12:59:57,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-03-28 12:59:57,231 INFO L87 Difference]: Start difference. First operand 162 states and 170 transitions. Second operand 5 states. [2018-03-28 12:59:57,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:57,307 INFO L93 Difference]: Finished difference Result 162 states and 170 transitions. [2018-03-28 12:59:57,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-03-28 12:59:57,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-03-28 12:59:57,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:57,309 INFO L225 Difference]: With dead ends: 162 [2018-03-28 12:59:57,309 INFO L226 Difference]: Without dead ends: 161 [2018-03-28 12:59:57,309 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-03-28 12:59:57,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-03-28 12:59:57,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-03-28 12:59:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-03-28 12:59:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 169 transitions. [2018-03-28 12:59:57,318 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 169 transitions. Word has length 43 [2018-03-28 12:59:57,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:57,319 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 169 transitions. [2018-03-28 12:59:57,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-03-28 12:59:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 169 transitions. [2018-03-28 12:59:57,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-03-28 12:59:57,319 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:57,319 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:57,319 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:57,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1240656484, 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 [2018-03-28 12:59:57,335 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:57,355 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:57,374 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:59:57,375 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 [2018-03-28 12:59:57,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,376 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,377 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,377 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-03-28 12:59:57,406 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 17 treesize of output 13 [2018-03-28 12:59:57,407 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 13 treesize of output 5 [2018-03-28 12:59:57,408 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,409 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,413 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 15 treesize of output 11 [2018-03-28 12:59:57,414 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 11 treesize of output 3 [2018-03-28 12:59:57,414 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,415 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,417 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,417 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:31, output treesize:9 [2018-03-28 12:59:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:57,427 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:57,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2018-03-28 12:59:57,452 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-03-28 12:59:57,458 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 13 treesize of output 11 [2018-03-28 12:59:57,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,462 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:59:57,462 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:22 [2018-03-28 12:59:57,527 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 7 treesize of output 5 [2018-03-28 12:59:57,529 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2018-03-28 12:59:57,529 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,530 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:57,533 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-03-28 12:59:57,533 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:15, output treesize:10 [2018-03-28 12:59:57,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:57,558 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:57,559 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 9] imperfect sequences [] total 14 [2018-03-28 12:59:57,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-03-28 12:59:57,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-03-28 12:59:57,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-03-28 12:59:57,560 INFO L87 Difference]: Start difference. First operand 161 states and 169 transitions. Second operand 15 states. [2018-03-28 12:59:58,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:58,080 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2018-03-28 12:59:58,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-03-28 12:59:58,119 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 43 [2018-03-28 12:59:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:58,120 INFO L225 Difference]: With dead ends: 184 [2018-03-28 12:59:58,120 INFO L226 Difference]: Without dead ends: 183 [2018-03-28 12:59:58,120 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=88, Invalid=374, Unknown=0, NotChecked=0, Total=462 [2018-03-28 12:59:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-03-28 12:59:58,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 166. [2018-03-28 12:59:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-03-28 12:59:58,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 174 transitions. [2018-03-28 12:59:58,128 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 174 transitions. Word has length 43 [2018-03-28 12:59:58,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:58,129 INFO L459 AbstractCegarLoop]: Abstraction has 166 states and 174 transitions. [2018-03-28 12:59:58,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-03-28 12:59:58,129 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 174 transitions. [2018-03-28 12:59:58,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-03-28 12:59:58,129 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:58,129 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] [2018-03-28 12:59:58,129 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:58,130 INFO L82 PathProgramCache]: Analyzing trace with hash 732748852, now seen corresponding path program 1 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 [2018-03-28 12:59:58,135 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:58,157 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:58,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-03-28 12:59:58,189 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:58,199 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-03-28 12:59:58,200 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,204 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 8 treesize of output 6 [2018-03-28 12:59:58,204 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,205 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:3 [2018-03-28 12:59:58,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-03-28 12:59:58,232 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-03-28 12:59:58,232 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2018-03-28 12:59:58,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-03-28 12:59:58,233 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-03-28 12:59:58,233 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-03-28 12:59:58,233 INFO L87 Difference]: Start difference. First operand 166 states and 174 transitions. Second operand 6 states. [2018-03-28 12:59:58,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:58,259 INFO L93 Difference]: Finished difference Result 166 states and 174 transitions. [2018-03-28 12:59:58,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-03-28 12:59:58,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2018-03-28 12:59:58,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:58,260 INFO L225 Difference]: With dead ends: 166 [2018-03-28 12:59:58,260 INFO L226 Difference]: Without dead ends: 165 [2018-03-28 12:59:58,260 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-03-28 12:59:58,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-03-28 12:59:58,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-03-28 12:59:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-03-28 12:59:58,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 173 transitions. [2018-03-28 12:59:58,267 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 173 transitions. Word has length 44 [2018-03-28 12:59:58,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:58,268 INFO L459 AbstractCegarLoop]: Abstraction has 165 states and 173 transitions. [2018-03-28 12:59:58,268 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-03-28 12:59:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 173 transitions. [2018-03-28 12:59:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-03-28 12:59:58,268 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:58,268 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:58,268 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:58,269 INFO L82 PathProgramCache]: Analyzing trace with hash 1240414734, now seen corresponding path program 1 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 [2018-03-28 12:59:58,274 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:58,297 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:58,300 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 [2018-03-28 12:59:58,301 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,304 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,304 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:59:58,314 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:59:58,317 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 10 treesize of output 9 [2018-03-28 12:59:58,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,320 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,333 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-03-28 12:59:58,336 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 10 treesize of output 9 [2018-03-28 12:59:58,336 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,338 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,347 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,347 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:35, output treesize:21 [2018-03-28 12:59:58,421 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 21 treesize of output 17 [2018-03-28 12:59:58,423 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 17 treesize of output 5 [2018-03-28 12:59:58,423 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,424 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,434 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 32 treesize of output 26 [2018-03-28 12:59:58,440 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 26 treesize of output 11 [2018-03-28 12:59:58,440 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,445 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,452 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:58,452 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:55, output treesize:19 [2018-03-28 12:59:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:58,474 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:58,648 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-03-28 12:59:58,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2018-03-28 12:59:58,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-03-28 12:59:58,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-03-28 12:59:58,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2018-03-28 12:59:58,649 INFO L87 Difference]: Start difference. First operand 165 states and 173 transitions. Second operand 18 states. [2018-03-28 12:59:59,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-03-28 12:59:59,155 INFO L93 Difference]: Finished difference Result 351 states and 373 transitions. [2018-03-28 12:59:59,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-03-28 12:59:59,155 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 45 [2018-03-28 12:59:59,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-03-28 12:59:59,156 INFO L225 Difference]: With dead ends: 351 [2018-03-28 12:59:59,156 INFO L226 Difference]: Without dead ends: 195 [2018-03-28 12:59:59,157 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=746, Unknown=0, NotChecked=0, Total=992 [2018-03-28 12:59:59,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-03-28 12:59:59,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 185. [2018-03-28 12:59:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-03-28 12:59:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 194 transitions. [2018-03-28 12:59:59,169 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 194 transitions. Word has length 45 [2018-03-28 12:59:59,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-03-28 12:59:59,169 INFO L459 AbstractCegarLoop]: Abstraction has 185 states and 194 transitions. [2018-03-28 12:59:59,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-03-28 12:59:59,169 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 194 transitions. [2018-03-28 12:59:59,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-03-28 12:59:59,170 INFO L347 BasicCegarLoop]: Found error trace [2018-03-28 12:59:59,170 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-03-28 12:59:59,170 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr6AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr5AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr7AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr4AssertViolationMEMORY_FREE, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__freeDataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr9RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr8RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr5RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__create_dataErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr2RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr4RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr7RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr6RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr0RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr3RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr1RequiresViolation, __U_MULTI_foptional_data_creation_test___true_valid_memsafety_i__appendErr5RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr14AssertViolationMEMORY_FREE, mainErr0RequiresViolation, mainErr18EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr15AssertViolationMEMORY_FREE]=== [2018-03-28 12:59:59,170 INFO L82 PathProgramCache]: Analyzing trace with hash 408094774, now seen corresponding path program 1 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 [2018-03-28 12:59:59,179 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-03-28 12:59:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-03-28 12:59:59,205 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-03-28 12:59:59,208 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 6 treesize of output 5 [2018-03-28 12:59:59,208 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,211 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,211 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-03-28 12:59:59,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:59:59,262 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 [2018-03-28 12:59:59,263 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,272 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-03-28 12:59:59,273 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 [2018-03-28 12:59:59,274 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,275 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,281 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,282 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-03-28 12:59:59,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 31 [2018-03-28 12:59:59,312 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 20 treesize of output 19 [2018-03-28 12:59:59,312 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,333 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 2 case distinctions, treesize of input 17 treesize of output 22 [2018-03-28 12:59:59,333 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-03-28 12:59:59,343 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:59:59,368 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 31 [2018-03-28 12:59:59,376 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 2 case distinctions, treesize of input 17 treesize of output 22 [2018-03-28 12:59:59,376 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-03-28 12:59:59,393 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 16 treesize of output 15 [2018-03-28 12:59:59,394 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,404 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:59:59,424 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-03-28 12:59:59,424 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:42, output treesize:123 [2018-03-28 12:59:59,457 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-03-28 12:59:59,457 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,465 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:59,465 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 12:59:59,466 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 15 treesize of output 8 [2018-03-28 12:59:59,466 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,471 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,471 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:42 [2018-03-28 12:59:59,506 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 56 [2018-03-28 12:59:59,507 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 19 treesize of output 3 [2018-03-28 12:59:59,507 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,513 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-03-28 12:59:59,513 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:59,517 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:59,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-03-28 12:59:59,526 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 15 treesize of output 11 [2018-03-28 12:59:59,526 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 12:59:59,532 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 11 treesize of output 3 [2018-03-28 12:59:59,533 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,534 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,537 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,538 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:69, output treesize:7 [2018-03-28 12:59:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-03-28 12:59:59,580 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-03-28 12:59:59,720 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2018-03-28 12:59:59,737 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 9 treesize of output 8 [2018-03-28 12:59:59,737 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 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 8 treesize of output 6 [2018-03-28 12:59:59,746 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 [2018-03-28 12:59:59,746 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,747 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,766 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 31 [2018-03-28 12:59:59,782 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-03-28 12:59:59,783 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,789 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 8 treesize of output 6 [2018-03-28 12:59:59,791 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 6 treesize of output 1 [2018-03-28 12:59:59,791 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,792 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,796 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,805 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-03-28 12:59:59,806 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:77, output treesize:21 [2018-03-28 12:59:59,906 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 86 [2018-03-28 12:59:59,927 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 9 treesize of output 8 [2018-03-28 12:59:59,928 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,947 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 17 treesize of output 15 [2018-03-28 12:59:59,949 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 [2018-03-28 12:59:59,950 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,953 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,961 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 76 [2018-03-28 12:59:59,963 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 71 treesize of output 65 [2018-03-28 12:59:59,964 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-03-28 12:59:59,976 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 65 treesize of output 63 [2018-03-28 12:59:59,977 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:00:00,031 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2018-03-28 13:00:00,032 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-28 13:00:00,049 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-28 13:00:00,084 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-03-28 13:00:00,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 89 [2018-03-28 13:00:00,128 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 9 treesize of output 8 [2018-03-28 13:00:00,128 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,157 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 17 treesize of output 15 [2018-03-28 13:00:00,160 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 [2018-03-28 13:00:00,160 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,164 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,173 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 76 [2018-03-28 13:00:00,176 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 71 treesize of output 65 [2018-03-28 13:00:00,176 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,201 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 65 treesize of output 63 [2018-03-28 13:00:00,202 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-03-28 13:00:00,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 68 [2018-03-28 13:00:00,223 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-03-28 13:00:00,238 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-03-28 13:00:00,270 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 10 xjuncts. [2018-03-28 13:00:00,666 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 70 [2018-03-28 13:00:00,691 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 9 treesize of output 8 [2018-03-28 13:00:00,691 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,725 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 78 [2018-03-28 13:00:00,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 64 treesize of output 63 [2018-03-28 13:00:00,729 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,769 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 2 case distinctions, treesize of input 63 treesize of output 69 [2018-03-28 13:00:00,770 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:00,825 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 73 [2018-03-28 13:00:00,828 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 60 treesize of output 54 [2018-03-28 13:00:00,828 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2018-03-28 13:00:00,886 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:00,939 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 63 treesize of output 57 [2018-03-28 13:00:00,940 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:00,997 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 60 treesize of output 54 [2018-03-28 13:00:00,998 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:01,047 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:00:01,047 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:00:01,048 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 54 treesize of output 45 [2018-03-28 13:00:01,048 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:01,085 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 57 treesize of output 51 [2018-03-28 13:00:01,086 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:01,119 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 51 treesize of output 45 [2018-03-28 13:00:01,120 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:01,191 INFO L267 ElimStorePlain]: Start of recursive call 23: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-03-28 13:00:01,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 79 [2018-03-28 13:00:01,465 WARN L151 SmtUtils]: Spent 185ms on a formula simplification. DAG size of input: 111 DAG size of output 109 [2018-03-28 13:00:01,468 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 57 treesize of output 51 [2018-03-28 13:00:01,468 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:01,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 60 [2018-03-28 13:00:01,587 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:01,695 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2018-03-28 13:00:01,696 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:01,941 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 60 treesize of output 54 [2018-03-28 13:00:01,941 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:02,028 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2018-03-28 13:00:02,029 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:02,121 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 51 treesize of output 45 [2018-03-28 13:00:02,122 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:02,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 50 [2018-03-28 13:00:02,201 INFO L267 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:02,327 INFO L267 ElimStorePlain]: Start of recursive call 31: 10 dim-1 vars, End of recursive call: and 7 xjuncts. [2018-03-28 13:00:02,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 64 [2018-03-28 13:00:02,403 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 59 treesize of output 53 [2018-03-28 13:00:02,403 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:02,428 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:00:02,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2018-03-28 13:00:02,429 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:02,446 INFO L267 ElimStorePlain]: Start of recursive call 39: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-03-28 13:00:02,493 INFO L267 ElimStorePlain]: Start of recursive call 20: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-03-28 13:00:02,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 98 [2018-03-28 13:00:02,540 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 2 case distinctions, treesize of input 69 treesize of output 75 [2018-03-28 13:00:02,540 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:02,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 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 70 treesize of output 69 [2018-03-28 13:00:02,701 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:02,892 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 5 case distinctions, treesize of input 64 treesize of output 145 [2018-03-28 13:00:02,894 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:03,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 103 [2018-03-28 13:00:03,146 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:03,429 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 80 [2018-03-28 13:00:03,629 WARN L151 SmtUtils]: Spent 197ms on a formula simplification. DAG size of input: 127 DAG size of output 123 [2018-03-28 13:00:03,631 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 61 treesize of output 55 [2018-03-28 13:00:03,631 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:03,718 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 58 treesize of output 52 [2018-03-28 13:00:03,719 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:03,834 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 139 [2018-03-28 13:00:03,834 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-28 13:00:03,844 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 64 xjuncts. [2018-03-28 13:00:04,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 93 [2018-03-28 13:00:04,306 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:04,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 93 [2018-03-28 13:00:04,485 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:04,664 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 52 [2018-03-28 13:00:04,664 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:05,125 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 93 [2018-03-28 13:00:05,127 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:05,257 INFO L267 ElimStorePlain]: Start of recursive call 47: 10 dim-1 vars, End of recursive call: and 13 xjuncts. [2018-03-28 13:00:05,594 INFO L700 Elim1Store]: detected not equals via solver [2018-03-28 13:00:05,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 70 treesize of output 100 [2018-03-28 13:00:06,826 WARN L151 SmtUtils]: Spent 1205ms on a formula simplification. DAG size of input: 394 DAG size of output 392 [2018-03-28 13:00:06,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 99 [2018-03-28 13:00:06,854 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:06,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 53 [2018-03-28 13:00:06,863 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:07,569 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 90 [2018-03-28 13:00:07,570 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:08,277 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 90 [2018-03-28 13:00:08,278 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:08,511 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 87 [2018-03-28 13:00:08,512 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:08,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 96 [2018-03-28 13:00:08,872 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:10,211 INFO L267 ElimStorePlain]: Start of recursive call 55: 36 dim-1 vars, End of recursive call: and 9 xjuncts. [2018-03-28 13:00:10,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 59 [2018-03-28 13:00:10,452 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 54 treesize of output 48 [2018-03-28 13:00:10,452 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:10,484 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 48 treesize of output 42 [2018-03-28 13:00:10,484 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:10,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 47 [2018-03-28 13:00:10,556 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:10,650 INFO L267 ElimStorePlain]: Start of recursive call 62: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 13:00:10,660 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 86 treesize of output 88 [2018-03-28 13:00:10,684 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 83 [2018-03-28 13:00:10,685 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:10,716 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 44 treesize of output 38 [2018-03-28 13:00:10,717 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:10,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 118 [2018-03-28 13:00:10,804 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:10,843 INFO L267 ElimStorePlain]: Start of recursive call 66: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-03-28 13:00:10,980 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 69 treesize of output 95 [2018-03-28 13:00:10,989 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 68 treesize of output 62 [2018-03-28 13:00:10,990 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:11,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 67 [2018-03-28 13:00:11,303 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:11,579 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 58 treesize of output 52 [2018-03-28 13:00:11,580 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:11,840 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2018-03-28 13:00:11,841 INFO L267 ElimStorePlain]: Start of recursive call 74: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:12,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 143 [2018-03-28 13:00:12,127 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 16 xjuncts. [2018-03-28 13:00:12,494 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 63 treesize of output 57 [2018-03-28 13:00:12,495 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:12,809 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 60 treesize of output 54 [2018-03-28 13:00:12,810 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:13,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 99 [2018-03-28 13:00:13,137 INFO L267 ElimStorePlain]: Start of recursive call 78: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:13,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 100 [2018-03-28 13:00:13,505 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 3 xjuncts. [2018-03-28 13:00:13,843 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 19 treesize of output 13 [2018-03-28 13:00:13,843 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:14,141 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 55 treesize of output 49 [2018-03-28 13:00:14,141 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:14,425 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 49 [2018-03-28 13:00:14,425 INFO L267 ElimStorePlain]: Start of recursive call 82: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:15,014 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 65 [2018-03-28 13:00:15,015 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 3 xjuncts. [2018-03-28 13:00:15,207 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 22 [2018-03-28 13:00:15,207 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:15,209 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2018-03-28 13:00:15,209 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:15,355 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 62 treesize of output 56 [2018-03-28 13:00:15,355 INFO L267 ElimStorePlain]: Start of recursive call 86: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:15,502 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 93 [2018-03-28 13:00:15,504 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:15,641 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 58 [2018-03-28 13:00:15,642 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:16,102 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 63 [2018-03-28 13:00:16,103 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:16,427 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 52 treesize of output 46 [2018-03-28 13:00:16,427 INFO L267 ElimStorePlain]: Start of recursive call 90: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:16,429 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 52 treesize of output 46 [2018-03-28 13:00:16,429 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:16,506 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2018-03-28 13:00:16,507 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:16,508 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2018-03-28 13:00:16,508 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:16,640 INFO L267 ElimStorePlain]: Start of recursive call 70: 34 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-03-28 13:00:16,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 79 [2018-03-28 13:00:16,767 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 61 treesize of output 55 [2018-03-28 13:00:16,768 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:16,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 93 [2018-03-28 13:00:16,877 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:17,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 139 [2018-03-28 13:00:17,026 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-28 13:00:17,033 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 64 xjuncts. [2018-03-28 13:00:17,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 61 [2018-03-28 13:00:17,367 INFO L267 ElimStorePlain]: Start of recursive call 98: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:17,512 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 18 [2018-03-28 13:00:17,512 INFO L267 ElimStorePlain]: Start of recursive call 99: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:17,641 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 61 treesize of output 55 [2018-03-28 13:00:17,641 INFO L267 ElimStorePlain]: Start of recursive call 100: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:17,878 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:00:17,880 INFO L682 Elim1Store]: detected equality via solver [2018-03-28 13:00:17,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 88 [2018-03-28 13:00:17,891 INFO L267 ElimStorePlain]: Start of recursive call 101: End of recursive call: and 3 xjuncts. [2018-03-28 13:00:17,987 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 64 treesize of output 58 [2018-03-28 13:00:17,988 INFO L267 ElimStorePlain]: Start of recursive call 102: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:18,071 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 58 treesize of output 52 [2018-03-28 13:00:18,072 INFO L267 ElimStorePlain]: Start of recursive call 103: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:18,157 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 52 [2018-03-28 13:00:18,158 INFO L267 ElimStorePlain]: Start of recursive call 104: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:18,369 INFO L267 ElimStorePlain]: Start of recursive call 94: 13 dim-1 vars, End of recursive call: and 10 xjuncts. [2018-03-28 13:00:18,566 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 104 [2018-03-28 13:00:18,566 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-28 13:00:22,488 WARN L151 SmtUtils]: Spent 3858ms on a formula simplification. DAG size of input: 810 DAG size of output 797 [2018-03-28 13:00:22,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 68 [2018-03-28 13:00:22,505 INFO L267 ElimStorePlain]: Start of recursive call 106: End of recursive call: and 3 xjuncts. [2018-03-28 13:00:24,763 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 20 [2018-03-28 13:00:24,764 INFO L267 ElimStorePlain]: Start of recursive call 107: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:24,769 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 19 [2018-03-28 13:00:24,770 INFO L267 ElimStorePlain]: Start of recursive call 108: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:24,775 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2018-03-28 13:00:24,776 INFO L267 ElimStorePlain]: Start of recursive call 109: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:27,060 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 61 treesize of output 55 [2018-03-28 13:00:27,060 INFO L267 ElimStorePlain]: Start of recursive call 110: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:27,068 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 62 [2018-03-28 13:00:27,069 INFO L267 ElimStorePlain]: Start of recursive call 111: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:29,302 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 34 [2018-03-28 13:00:29,302 INFO L267 ElimStorePlain]: Start of recursive call 112: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:31,519 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 61 [2018-03-28 13:00:31,519 INFO L267 ElimStorePlain]: Start of recursive call 113: End of recursive call: and 1 xjuncts. [2018-03-28 13:00:33,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 143 [2018-03-28 13:00:33,772 INFO L267 ElimStorePlain]: Start of recursive call 114: End of recursive call: and 16 xjuncts. [2018-03-28 13:00:36,285 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 142 [2018-03-28 13:00:36,285 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-28 13:00:36,290 INFO L267 ElimStorePlain]: Start of recursive call 115: End of recursive call: and 64 xjuncts. [2018-03-28 13:00:38,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 27 [2018-03-28 13:00:38,210 INFO L267 ElimStorePlain]: Start of recursive call 116: End of recursive call: and 2 xjuncts. [2018-03-28 13:00:40,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 90 [2018-03-28 13:00:40,027 INFO L267 ElimStorePlain]: Start of recursive call 117: End of recursive call: and 8 xjuncts. [2018-03-28 13:00:40,813 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 142 [2018-03-28 13:00:40,813 WARN L130 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-03-28 13:00:40,818 INFO L267 ElimStorePlain]: Start of recursive call 118: End of recursive call: and 64 xjuncts. Received shutdown request... [2018-03-28 13:00:41,146 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-03-28 13:00:41,146 WARN L519 AbstractCegarLoop]: Verification canceled [2018-03-28 13:00:41,152 WARN L197 ceAbstractionStarter]: Timeout [2018-03-28 13:00:41,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.03 01:00:41 BoogieIcfgContainer [2018-03-28 13:00:41,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-03-28 13:00:41,153 INFO L168 Benchmark]: Toolchain (without parser) took 147353.65 ms. Allocated memory was 306.7 MB in the beginning and 468.2 MB in the end (delta: 161.5 MB). Free memory was 244.3 MB in the beginning and 368.3 MB in the end (delta: -124.0 MB). Peak memory consumption was 258.1 MB. Max. memory is 5.3 GB. [2018-03-28 13:00:41,154 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 306.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-03-28 13:00:41,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.62 ms. Allocated memory is still 306.7 MB. Free memory was 242.3 MB in the beginning and 216.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:00:41,155 INFO L168 Benchmark]: Boogie Preprocessor took 63.32 ms. Allocated memory is still 306.7 MB. Free memory was 216.4 MB in the beginning and 214.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-03-28 13:00:41,155 INFO L168 Benchmark]: RCFGBuilder took 640.61 ms. Allocated memory was 306.7 MB in the beginning and 470.3 MB in the end (delta: 163.6 MB). Free memory was 214.4 MB in the beginning and 390.0 MB in the end (delta: -175.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. [2018-03-28 13:00:41,155 INFO L168 Benchmark]: TraceAbstraction took 146294.84 ms. Allocated memory was 470.3 MB in the beginning and 468.2 MB in the end (delta: -2.1 MB). Free memory was 390.0 MB in the beginning and 368.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 240.2 MB. Max. memory is 5.3 GB. [2018-03-28 13:00:41,157 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 306.7 MB. Free memory is still 268.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 349.62 ms. Allocated memory is still 306.7 MB. Free memory was 242.3 MB in the beginning and 216.4 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 63.32 ms. Allocated memory is still 306.7 MB. Free memory was 216.4 MB in the beginning and 214.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 640.61 ms. Allocated memory was 306.7 MB in the beginning and 470.3 MB in the end (delta: 163.6 MB). Free memory was 214.4 MB in the beginning and 390.0 MB in the end (delta: -175.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 146294.84 ms. Allocated memory was 470.3 MB in the beginning and 468.2 MB in the end (delta: -2.1 MB). Free memory was 390.0 MB in the beginning and 368.3 MB in the end (delta: 21.7 MB). Peak memory consumption was 240.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 562]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 562). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 562]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 562). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 560]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 560). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 559]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 559). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 547]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 550]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 550). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 552]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 552). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 544]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 544). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 547]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 547]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 547]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 547). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 566]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 566). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 567]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 567). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 568]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 568). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 568]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 568). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 566]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 566). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 566]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 566). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 566]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 566). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 567]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 567). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 577]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 577). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 571]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 571). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 580]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 580). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 578]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 571]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 571). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 570]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 570). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 576]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 576). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 577]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 577). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 578]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 578]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 578]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 578). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 580]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 580). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 576]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 576). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 577]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 577). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 577]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 577). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - TimeoutResultAtElement [Line: 579]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 579). Cancelled while BasicCegarLoop was analyzing trace of length 48 with TraceHistMax 1, while TraceCheckSpWp was constructing backward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 381. - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 158 locations, 45 error locations. TIMEOUT Result, 146.2s OverallTime, 28 OverallIterations, 2 TraceHistogramMax, 84.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3118 SDtfs, 2753 SDslu, 9746 SDs, 0 SdLazy, 6350 SolverSat, 352 SolverUnsat, 91 SolverUnknown, 0 SolverNotchecked, 47.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1702 GetRequests, 1405 SyntacticMatches, 10 SemanticMatches, 287 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 51.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 27 MinimizatonAttempts, 384 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.3s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1560 ConstructedInterpolants, 157 QuantifiedInterpolants, 352039 SizeOfPredicates, 141 NumberOfNonLiveVariables, 3478 ConjunctsInSsa, 296 ConjunctsInUnsatCore, 54 InterpolantComputations, 50 PerfectInterpolantSequences, 8/26 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-03-28_13-00-41-165.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/optional_data_creation_test04_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-03-28_13-00-41-165.csv Completed graceful shutdown