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/list-properties/simple_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 18:20:18,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 18:20:18,155 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 18:20:18,170 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 18:20:18,171 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 18:20:18,171 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 18:20:18,173 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 18:20:18,175 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 18:20:18,177 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 18:20:18,177 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 18:20:18,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 18:20:18,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 18:20:18,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 18:20:18,181 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 18:20:18,182 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 18:20:18,184 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 18:20:18,186 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 18:20:18,188 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 18:20:18,189 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 18:20:18,190 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 18:20:18,192 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 18:20:18,193 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 18:20:18,193 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 18:20:18,194 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 18:20:18,195 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 18:20:18,196 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 18:20:18,196 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 18:20:18,197 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 18:20:18,198 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 18:20:18,198 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 18:20:18,198 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 18:20:18,199 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-05 18:20:18,223 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 18:20:18,223 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 18:20:18,223 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 18:20:18,224 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 18:20:18,224 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 18:20:18,224 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 18:20:18,225 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 18:20:18,225 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 18:20:18,225 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 18:20:18,225 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 18:20:18,226 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 18:20:18,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 18:20:18,226 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 18:20:18,226 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 18:20:18,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 18:20:18,227 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 18:20:18,227 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 18:20:18,227 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 18:20:18,227 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 18:20:18,227 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 18:20:18,228 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 18:20:18,228 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 18:20:18,228 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 18:20:18,228 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 18:20:18,228 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 18:20:18,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 18:20:18,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 18:20:18,229 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 18:20:18,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 18:20:18,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 18:20:18,230 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 18:20:18,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:18,230 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 18:20:18,231 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 18:20:18,231 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 18:20:18,231 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 18:20:18,232 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 18:20:18,266 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 18:20:18,278 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 18:20:18,282 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 18:20:18,284 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 18:20:18,284 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 18:20:18,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,613 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8c961a337 [2018-04-05 18:20:18,784 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 18:20:18,784 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 18:20:18,785 INFO L168 CDTParser]: Scanning simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,796 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 18:20:18,796 INFO L215 ultiparseSymbolTable]: [2018-04-05 18:20:18,797 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 18:20:18,797 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,797 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit ('exit') in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,797 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 18:20:18,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____id_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,797 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____dev_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsblkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fd_set in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_char in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____off64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_rwlock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,798 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsblkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____rlim64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blksize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__blksize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____qaddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,799 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__caddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ulong in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_rwlockattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____caddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_short in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,800 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__clock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__mode_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ssize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____intptr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_long in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,801 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__size_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__gid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_mutexattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ino_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____pid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____timer_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_short in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,802 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____sigset_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____gid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____mode_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__quad_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____pthread_list_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____rlim_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__blkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____clockid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_long in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,803 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsblkcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__div_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_char in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____suseconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_cond_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__List in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__off_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_barrier_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__uid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____socklen_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__lldiv_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_attr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__nlink_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fd_mask in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__wchar_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,805 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__uint in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__loff_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__dev_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_once_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_condattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_spinlock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,806 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__id_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____daddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__timer_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__clockid_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____clock_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____loff_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ssize_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,807 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blkcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fd_mask in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____nlink_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____sig_atomic_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int32_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__suseconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint16_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____ino64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____off_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ino_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__fsfilcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__u_int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__daddr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____WAIT_STATUS in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____time_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__int64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsfilcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__sigset_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_barrierattr_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____swblk_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____blkcnt_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____uint8_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____key_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ushort in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__ldiv_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____u_int in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__time_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__pthread_mutex_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____useconds_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i____fsfilcnt64_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__register_t in simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:18,832 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG8c961a337 [2018-04-05 18:20:18,837 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 18:20:18,839 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 18:20:18,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 18:20:18,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 18:20:18,845 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 18:20:18,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:20:18" (1/1) ... [2018-04-05 18:20:18,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c282ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:18, skipping insertion in model container [2018-04-05 18:20:18,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:20:18" (1/1) ... [2018-04-05 18:20:18,862 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 18:20:18,892 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 18:20:19,056 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 18:20:19,110 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 18:20:19,118 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-05 18:20:19,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19 WrapperNode [2018-04-05 18:20:19,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 18:20:19,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 18:20:19,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 18:20:19,176 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 18:20:19,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... [2018-04-05 18:20:19,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... [2018-04-05 18:20:19,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... [2018-04-05 18:20:19,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... [2018-04-05 18:20:19,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... [2018-04-05 18:20:19,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... [2018-04-05 18:20:19,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... [2018-04-05 18:20:19,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 18:20:19,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 18:20:19,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 18:20:19,230 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 18:20:19,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 18:20:19,363 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 18:20:19,363 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 18:20:19,363 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-04-05 18:20:19,363 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 18:20:19,364 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-05 18:20:19,364 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 18:20:19,364 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 18:20:19,364 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 18:20:19,364 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 18:20:19,364 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 18:20:19,365 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 18:20:19,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 18:20:19,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 18:20:19,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 18:20:19,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 18:20:19,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 18:20:19,365 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 18:20:19,366 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 18:20:19,366 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 18:20:19,366 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 18:20:19,366 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 18:20:19,366 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 18:20:19,366 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 18:20:19,367 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 18:20:19,367 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 18:20:19,367 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 18:20:19,367 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 18:20:19,367 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 18:20:19,367 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 18:20:19,367 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 18:20:19,368 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 18:20:19,368 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 18:20:19,368 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 18:20:19,368 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 18:20:19,368 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 18:20:19,368 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 18:20:19,368 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 18:20:19,369 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 18:20:19,370 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 18:20:19,370 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 18:20:19,370 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 18:20:19,370 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 18:20:19,370 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 18:20:19,370 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 18:20:19,370 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 18:20:19,371 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 18:20:19,372 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsimple_true_unreach_call_false_valid_memtrack_i__exit [2018-04-05 18:20:19,373 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 18:20:19,373 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 18:20:19,373 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-05 18:20:19,373 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 18:20:19,373 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 18:20:19,373 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 18:20:19,373 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 18:20:19,374 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 18:20:19,375 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 18:20:19,376 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 18:20:19,377 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 18:20:19,377 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 18:20:19,377 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 18:20:19,377 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 18:20:19,377 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 18:20:19,377 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 18:20:19,377 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 18:20:19,378 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 18:20:19,379 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 18:20:19,379 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 18:20:19,379 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 18:20:19,748 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 18:20:19,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:20:19 BoogieIcfgContainer [2018-04-05 18:20:19,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 18:20:19,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 18:20:19,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 18:20:19,752 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 18:20:19,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 06:20:18" (1/3) ... [2018-04-05 18:20:19,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245e10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:20:19, skipping insertion in model container [2018-04-05 18:20:19,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:20:19" (2/3) ... [2018-04-05 18:20:19,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@245e10b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:20:19, skipping insertion in model container [2018-04-05 18:20:19,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:20:19" (3/3) ... [2018-04-05 18:20:19,755 INFO L107 eAbstractionObserver]: Analyzing ICFG simple_true-unreach-call_false-valid-memtrack.i [2018-04-05 18:20:19,763 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 18:20:19,768 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-05 18:20:19,805 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 18:20:19,805 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 18:20:19,805 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 18:20:19,805 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 18:20:19,806 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 18:20:19,806 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 18:20:19,806 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 18:20:19,806 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 18:20:19,806 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 18:20:19,806 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 18:20:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-04-05 18:20:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-04-05 18:20:19,825 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:19,826 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:20:19,826 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:19,831 INFO L82 PathProgramCache]: Analyzing trace with hash -391805808, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:19,841 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:20:19,877 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:20:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:19,896 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:20:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:19,930 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:20:19,931 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-05 18:20:19,932 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-05 18:20:19,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-05 18:20:19,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-05 18:20:19,944 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-04-05 18:20:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:20:19,963 INFO L93 Difference]: Finished difference Result 88 states and 95 transitions. [2018-04-05 18:20:19,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-05 18:20:19,965 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-04-05 18:20:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:20:19,974 INFO L225 Difference]: With dead ends: 88 [2018-04-05 18:20:19,975 INFO L226 Difference]: Without dead ends: 52 [2018-04-05 18:20:19,978 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-05 18:20:19,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-05 18:20:20,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-05 18:20:20,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-05 18:20:20,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-04-05 18:20:20,015 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 13 [2018-04-05 18:20:20,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:20:20,016 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-04-05 18:20:20,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-05 18:20:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-04-05 18:20:20,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-05 18:20:20,017 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:20,017 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:20:20,017 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:20,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1404723843, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:20,026 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:20:20,045 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:20:20,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 18:20:20,073 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:20,076 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:20,077 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 18:20:20,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:20,097 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:20:20,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:20,125 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:20:20,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-05 18:20:20,126 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 18:20:20,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 18:20:20,127 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 18:20:20,127 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 5 states. [2018-04-05 18:20:20,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:20:20,295 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2018-04-05 18:20:20,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 18:20:20,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-05 18:20:20,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:20:20,297 INFO L225 Difference]: With dead ends: 71 [2018-04-05 18:20:20,297 INFO L226 Difference]: Without dead ends: 64 [2018-04-05 18:20:20,298 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-05 18:20:20,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-05 18:20:20,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2018-04-05 18:20:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-05 18:20:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions. [2018-04-05 18:20:20,306 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 16 [2018-04-05 18:20:20,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:20:20,307 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions. [2018-04-05 18:20:20,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 18:20:20,307 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions. [2018-04-05 18:20:20,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-05 18:20:20,307 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:20,308 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:20:20,308 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:20,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1404723844, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:20,317 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:20:20,342 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:20:20,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 18:20:20,354 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:20,364 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:20,364 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 18:20:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:20,422 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:20:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:20,541 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:20:20,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-05 18:20:20,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-05 18:20:20,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-05 18:20:20,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-05 18:20:20,543 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand 8 states. [2018-04-05 18:20:20,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:20:20,758 INFO L93 Difference]: Finished difference Result 80 states and 82 transitions. [2018-04-05 18:20:20,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 18:20:20,759 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-04-05 18:20:20,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:20:20,760 INFO L225 Difference]: With dead ends: 80 [2018-04-05 18:20:20,760 INFO L226 Difference]: Without dead ends: 73 [2018-04-05 18:20:20,760 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-05 18:20:20,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-05 18:20:20,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 67. [2018-04-05 18:20:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-05 18:20:20,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2018-04-05 18:20:20,766 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 16 [2018-04-05 18:20:20,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:20:20,767 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2018-04-05 18:20:20,767 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-05 18:20:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2018-04-05 18:20:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-05 18:20:20,768 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:20,768 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] [2018-04-05 18:20:20,768 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:20,768 INFO L82 PathProgramCache]: Analyzing trace with hash 2104833963, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:20,787 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:20:20,807 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:20:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:20,828 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:20:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:20,856 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:20:20,856 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-05 18:20:20,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 18:20:20,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 18:20:20,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 18:20:20,857 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand 6 states. [2018-04-05 18:20:20,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:20:20,918 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2018-04-05 18:20:20,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 18:20:20,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-04-05 18:20:20,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:20:20,920 INFO L225 Difference]: With dead ends: 73 [2018-04-05 18:20:20,920 INFO L226 Difference]: Without dead ends: 70 [2018-04-05 18:20:20,921 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-04-05 18:20:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-05 18:20:20,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67. [2018-04-05 18:20:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-05 18:20:20,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2018-04-05 18:20:20,929 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 22 [2018-04-05 18:20:20,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:20:20,929 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2018-04-05 18:20:20,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 18:20:20,930 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-04-05 18:20:20,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-05 18:20:20,931 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:20,931 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:20:20,931 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:20,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1818936717, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:20,938 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:20:20,956 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:20:20,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 18:20:20,967 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:20,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:20,978 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 18:20:21,023 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 [2018-04-05 18:20:21,025 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 [2018-04-05 18:20:21,025 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,038 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,038 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:11 [2018-04-05 18:20:21,049 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 [2018-04-05 18:20:21,058 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 [2018-04-05 18:20:21,058 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,065 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,067 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:21, output treesize:5 [2018-04-05 18:20:21,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:21,099 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:20:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:21,143 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:20:21,144 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 6 [2018-04-05 18:20:21,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 18:20:21,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 18:20:21,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-05 18:20:21,144 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand 7 states. [2018-04-05 18:20:21,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:20:21,474 INFO L93 Difference]: Finished difference Result 88 states and 90 transitions. [2018-04-05 18:20:21,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 18:20:21,475 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-04-05 18:20:21,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:20:21,476 INFO L225 Difference]: With dead ends: 88 [2018-04-05 18:20:21,476 INFO L226 Difference]: Without dead ends: 86 [2018-04-05 18:20:21,477 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2018-04-05 18:20:21,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-05 18:20:21,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 65. [2018-04-05 18:20:21,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-05 18:20:21,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2018-04-05 18:20:21,486 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 28 [2018-04-05 18:20:21,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:20:21,486 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2018-04-05 18:20:21,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 18:20:21,486 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2018-04-05 18:20:21,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-05 18:20:21,487 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:21,487 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:20:21,488 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:21,488 INFO L82 PathProgramCache]: Analyzing trace with hash -1818936716, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:21,499 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:20:21,517 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:20:21,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 18:20:21,521 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,529 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,529 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 18:20:21,546 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 [2018-04-05 18:20:21,548 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 [2018-04-05 18:20:21,548 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,549 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,556 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 [2018-04-05 18:20:21,558 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 [2018-04-05 18:20:21,558 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,559 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,564 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,564 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:21 [2018-04-05 18:20:21,575 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 [2018-04-05 18:20:21,577 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 [2018-04-05 18:20:21,577 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,578 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-05 18:20:21,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-05 18:20:21,586 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,587 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,590 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:21,590 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:9 [2018-04-05 18:20:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:21,605 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:20:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:21,682 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:20:21,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 11 [2018-04-05 18:20:21,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 18:20:21,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 18:20:21,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-04-05 18:20:21,683 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand 12 states. [2018-04-05 18:20:21,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:20:21,923 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2018-04-05 18:20:21,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 18:20:21,923 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28 [2018-04-05 18:20:21,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:20:21,925 INFO L225 Difference]: With dead ends: 87 [2018-04-05 18:20:21,925 INFO L226 Difference]: Without dead ends: 82 [2018-04-05 18:20:21,925 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=263, Unknown=0, NotChecked=0, Total=380 [2018-04-05 18:20:21,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-05 18:20:21,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 47. [2018-04-05 18:20:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-05 18:20:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-04-05 18:20:21,930 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 28 [2018-04-05 18:20:21,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:20:21,930 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-04-05 18:20:21,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 18:20:21,930 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-04-05 18:20:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-05 18:20:21,931 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:21,931 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:20:21,931 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:21,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1289803974, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:21,942 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:20:21,964 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:20:22,033 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 [2018-04-05 18:20:22,037 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 [2018-04-05 18:20:22,037 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,039 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,049 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 [2018-04-05 18:20:22,051 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 [2018-04-05 18:20:22,051 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,052 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,058 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:20:22,058 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:36, output treesize:28 [2018-04-05 18:20:22,124 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-05 18:20:22,127 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:20:22,128 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 15 treesize of output 11 [2018-04-05 18:20:22,128 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-05 18:20:22,149 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:20:22,150 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 15 treesize of output 11 [2018-04-05 18:20:22,150 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,153 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,165 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,165 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:7 [2018-04-05 18:20:22,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:22,189 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:20:22,288 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 [2018-04-05 18:20:22,290 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 3 [2018-04-05 18:20:22,290 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,297 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 [2018-04-05 18:20:22,304 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 3 [2018-04-05 18:20:22,305 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,313 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,340 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 [2018-04-05 18:20:22,341 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 3 [2018-04-05 18:20:22,342 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,345 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,347 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-05 18:20:22,349 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 3 [2018-04-05 18:20:22,349 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,354 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:20:22,372 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-05 18:20:22,372 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:53, output treesize:24 [2018-04-05 18:20:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:20:22,451 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 18:20:22,451 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2018-04-05 18:20:22,451 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-05 18:20:22,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-05 18:20:22,451 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-04-05 18:20:22,452 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 16 states. [2018-04-05 18:20:22,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:20:22,747 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2018-04-05 18:20:22,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-05 18:20:22,747 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 29 [2018-04-05 18:20:22,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:20:22,748 INFO L225 Difference]: With dead ends: 90 [2018-04-05 18:20:22,748 INFO L226 Difference]: Without dead ends: 76 [2018-04-05 18:20:22,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2018-04-05 18:20:22,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-05 18:20:22,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 64. [2018-04-05 18:20:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-05 18:20:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2018-04-05 18:20:22,758 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 29 [2018-04-05 18:20:22,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:20:22,758 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2018-04-05 18:20:22,758 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-05 18:20:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-04-05 18:20:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-05 18:20:22,759 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:20:22,759 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] [2018-04-05 18:20:22,759 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr14EnsuresViolationMEMORY_LEAK, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-04-05 18:20:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1329216318, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:20:22,765 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:20:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 18:20:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 18:20:22,840 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-05 18:20:22,856 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-05 18:20:22,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 06:20:22 BoogieIcfgContainer [2018-04-05 18:20:22,875 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 18:20:22,876 INFO L168 Benchmark]: Toolchain (without parser) took 4038.96 ms. Allocated memory was 301.5 MB in the beginning and 510.7 MB in the end (delta: 209.2 MB). Free memory was 238.5 MB in the beginning and 319.3 MB in the end (delta: -80.7 MB). Peak memory consumption was 128.5 MB. Max. memory is 5.3 GB. [2018-04-05 18:20:22,878 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 301.5 MB. Free memory is still 261.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 18:20:22,878 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.34 ms. Allocated memory is still 301.5 MB. Free memory was 238.5 MB in the beginning and 212.2 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. [2018-04-05 18:20:22,879 INFO L168 Benchmark]: Boogie Preprocessor took 53.39 ms. Allocated memory is still 301.5 MB. Free memory was 212.2 MB in the beginning and 210.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-05 18:20:22,879 INFO L168 Benchmark]: RCFGBuilder took 518.77 ms. Allocated memory was 301.5 MB in the beginning and 457.7 MB in the end (delta: 156.2 MB). Free memory was 210.2 MB in the beginning and 395.1 MB in the end (delta: -184.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. [2018-04-05 18:20:22,880 INFO L168 Benchmark]: TraceAbstraction took 3125.77 ms. Allocated memory was 457.7 MB in the beginning and 510.7 MB in the end (delta: 53.0 MB). Free memory was 395.1 MB in the beginning and 319.3 MB in the end (delta: 75.8 MB). Peak memory consumption was 128.8 MB. Max. memory is 5.3 GB. [2018-04-05 18:20:22,883 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 301.5 MB. Free memory is still 261.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 336.34 ms. Allocated memory is still 301.5 MB. Free memory was 238.5 MB in the beginning and 212.2 MB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 53.39 ms. Allocated memory is still 301.5 MB. Free memory was 212.2 MB in the beginning and 210.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 518.77 ms. Allocated memory was 301.5 MB in the beginning and 457.7 MB in the end (delta: 156.2 MB). Free memory was 210.2 MB in the beginning and 395.1 MB in the end (delta: -184.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3125.77 ms. Allocated memory was 457.7 MB in the beginning and 510.7 MB in the end (delta: 53.0 MB). Free memory was 395.1 MB in the beginning and 319.3 MB in the end (delta: 75.8 MB). Peak memory consumption was 128.8 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={14:0}] [L627] List a = (List) malloc(sizeof(struct node)); VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L628] COND FALSE !(a == 0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L629] List t; VAL [a={14:0}, malloc(sizeof(struct node))={14:0}] [L630] List p = a; VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L631] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L638] FCALL p->h = 1 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L639] FCALL p->n = 0 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L640] p = a VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L641] COND TRUE p!=0 VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}] [L642] EXPR, FCALL p->h VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}, p->h=1] [L642] COND FALSE !(p->h != 1) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}, p->h=1] [L645] EXPR, FCALL p->n VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={14:0}, p->n={0:0}] [L645] p = p->n VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={0:0}, p->n={0:0}] [L641] COND FALSE !(p!=0) VAL [a={14:0}, malloc(sizeof(struct node))={14:0}, p={0:0}] [L647] return 0; VAL [\result=0, a={14:0}, malloc(sizeof(struct node))={14:0}, p={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 63 locations, 15 error locations. UNSAFE Result, 3.0s OverallTime, 8 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 280 SDtfs, 909 SDslu, 717 SDs, 0 SdLazy, 587 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 330 GetRequests, 255 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=67occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 290 ConstructedInterpolants, 8 QuantifiedInterpolants, 37974 SizeOfPredicates, 48 NumberOfNonLiveVariables, 525 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 14/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_18-20-22-893.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_18-20-22-893.csv Received shutdown request...