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/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 18:21:10,519 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 18:21:10,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 18:21:10,535 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 18:21:10,535 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 18:21:10,536 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 18:21:10,537 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 18:21:10,539 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 18:21:10,542 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 18:21:10,542 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 18:21:10,543 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 18:21:10,544 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 18:21:10,545 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 18:21:10,546 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 18:21:10,547 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 18:21:10,549 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 18:21:10,551 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 18:21:10,553 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 18:21:10,555 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 18:21:10,556 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 18:21:10,558 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-05 18:21:10,564 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 18:21:10,565 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 18:21:10,565 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 18:21:10,592 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 18:21:10,592 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 18:21:10,592 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 18:21:10,592 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 18:21:10,593 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 18:21:10,593 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 18:21:10,594 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 18:21:10,594 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 18:21:10,594 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 18:21:10,594 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 18:21:10,595 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 18:21:10,595 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 18:21:10,595 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 18:21:10,595 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 18:21:10,595 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 18:21:10,596 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 18:21:10,596 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 18:21:10,596 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 18:21:10,596 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 18:21:10,596 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 18:21:10,597 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 18:21:10,597 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 18:21:10,597 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 18:21:10,597 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 18:21:10,597 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 18:21:10,598 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 18:21:10,598 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 18:21:10,598 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 18:21:10,598 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 18:21:10,599 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 18:21:10,599 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 18:21:10,599 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:10,599 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 18:21:10,600 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 18:21:10,600 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 18:21:10,600 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 18:21:10,601 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 18:21:10,636 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 18:21:10,648 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 18:21:10,652 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 18:21:10,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 18:21:10,654 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 18:21:10,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:10,983 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1bdfb2ae9 [2018-04-05 18:21:11,173 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 18:21:11,173 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 18:21:11,174 INFO L168 CDTParser]: Scanning sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,188 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 18:21:11,188 INFO L215 ultiparseSymbolTable]: [2018-04-05 18:21:11,188 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 18:21:11,189 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,193 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 18:21:11,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____loff_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,193 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____daddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____clockid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__clockid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__suseconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____pid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____sigset_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ino_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,194 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_int in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____gid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____clock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__dev_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,195 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fd_mask in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__daddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__clock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__nlink_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__id_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__uint in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ino64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__BCK in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,196 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__SLL in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ssize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fd_mask in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____off_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ulong in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_long in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,197 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsword_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__sigset_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__register_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blksize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,198 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____qaddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__loff_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____rlim64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,199 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____time_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ushort in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint8_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____useconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ldiv_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,200 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__ino_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____rlim_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_short in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__mode_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__caddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__key_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____timer_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,201 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__time_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__size_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____uint32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____intptr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__div_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,202 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fd_set in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__blksize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____dev_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,203 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____mode_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__idtype_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____ssize_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____nlink_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____caddr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_short in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__gid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,204 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_int32_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__blkcnt_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__timer_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__u_char in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__off_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_long in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,205 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____id_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_once_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,206 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__wchar_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____socklen_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__lldiv_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__int16_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__uid_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_char in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____off64_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,207 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____suseconds_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,208 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i____u_quad_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,209 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsll_buckets_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:11,233 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG1bdfb2ae9 [2018-04-05 18:21:11,238 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 18:21:11,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 18:21:11,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 18:21:11,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 18:21:11,249 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 18:21:11,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31930c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11, skipping insertion in model container [2018-04-05 18:21:11,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,270 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 18:21:11,330 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 18:21:11,554 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 18:21:11,642 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 18:21:11,650 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-05 18:21:11,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11 WrapperNode [2018-04-05 18:21:11,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 18:21:11,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 18:21:11,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 18:21:11,711 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 18:21:11,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (1/1) ... [2018-04-05 18:21:11,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 18:21:11,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 18:21:11,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 18:21:11,775 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 18:21:11,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (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 18:21:11,919 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 18:21:11,919 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 18:21:11,919 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 18:21:11,920 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 18:21:11,920 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 18:21:11,920 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 18:21:11,920 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 18:21:11,920 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 18:21:11,920 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 18:21:11,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 18:21:11,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 18:21:11,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 18:21:11,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 18:21:11,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 18:21:11,921 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 18:21:11,922 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 18:21:11,922 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 18:21:11,922 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 18:21:11,922 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 18:21:11,922 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 18:21:11,922 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 18:21:11,923 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 18:21:11,923 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 18:21:11,923 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 18:21:11,923 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 18:21:11,923 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 18:21:11,924 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 18:21:11,924 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 18:21:11,924 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 18:21:11,924 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 18:21:11,924 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 18:21:11,924 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 18:21:11,924 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 18:21:11,925 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 18:21:11,925 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 18:21:11,926 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 18:21:11,927 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 18:21:11,928 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-05 18:21:11,929 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 18:21:11,930 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 18:21:11,930 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 18:21:11,931 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 18:21:11,932 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 18:21:11,933 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 18:21:11,934 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 18:21:11,936 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 18:21:11,937 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 18:21:11,938 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 18:21:12,603 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 18:21:12,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:21:12 BoogieIcfgContainer [2018-04-05 18:21:12,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 18:21:12,604 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 18:21:12,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 18:21:12,607 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 18:21:12,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 06:21:11" (1/3) ... [2018-04-05 18:21:12,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e47d601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:21:12, skipping insertion in model container [2018-04-05 18:21:12,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 06:21:11" (2/3) ... [2018-04-05 18:21:12,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e47d601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 06:21:12, skipping insertion in model container [2018-04-05 18:21:12,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 06:21:12" (3/3) ... [2018-04-05 18:21:12,610 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-05 18:21:12,618 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 18:21:12,624 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-04-05 18:21:12,665 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 18:21:12,666 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 18:21:12,666 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 18:21:12,666 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 18:21:12,666 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 18:21:12,666 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 18:21:12,666 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 18:21:12,666 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 18:21:12,667 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 18:21:12,667 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 18:21:12,684 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2018-04-05 18:21:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-05 18:21:12,689 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:12,690 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:12,691 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:12,696 INFO L82 PathProgramCache]: Analyzing trace with hash -2008693394, 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 18:21:12,711 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:12,743 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:12,788 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 18:21:12,790 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:12,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:12,807 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 18:21:12,827 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 18:21:12,828 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:12,841 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 18:21:12,867 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:12,867 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 18:21:12,869 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 18:21:12,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 18:21:12,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 18:21:12,882 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 4 states. [2018-04-05 18:21:13,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:13,191 INFO L93 Difference]: Finished difference Result 397 states and 461 transitions. [2018-04-05 18:21:13,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 18:21:13,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-05 18:21:13,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:13,204 INFO L225 Difference]: With dead ends: 397 [2018-04-05 18:21:13,204 INFO L226 Difference]: Without dead ends: 232 [2018-04-05 18:21:13,207 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 18:21:13,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-05 18:21:13,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 181. [2018-04-05 18:21:13,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-04-05 18:21:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 188 transitions. [2018-04-05 18:21:13,249 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 188 transitions. Word has length 9 [2018-04-05 18:21:13,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:13,249 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 188 transitions. [2018-04-05 18:21:13,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 18:21:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 188 transitions. [2018-04-05 18:21:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-05 18:21:13,250 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:13,250 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:13,250 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:13,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2008693393, 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 18:21:13,258 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:13,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:13,270 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:13,281 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 18:21:13,281 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,294 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,294 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 18:21:13,315 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 18:21:13,315 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:13,387 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 18:21:13,413 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:13,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-05 18:21:13,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 18:21:13,415 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 18:21:13,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 18:21:13,415 INFO L87 Difference]: Start difference. First operand 181 states and 188 transitions. Second operand 6 states. [2018-04-05 18:21:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:13,771 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2018-04-05 18:21:13,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 18:21:13,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-05 18:21:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:13,775 INFO L225 Difference]: With dead ends: 281 [2018-04-05 18:21:13,775 INFO L226 Difference]: Without dead ends: 277 [2018-04-05 18:21:13,776 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-05 18:21:13,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-04-05 18:21:13,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 177. [2018-04-05 18:21:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-04-05 18:21:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 184 transitions. [2018-04-05 18:21:13,791 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 184 transitions. Word has length 9 [2018-04-05 18:21:13,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:13,791 INFO L459 AbstractCegarLoop]: Abstraction has 177 states and 184 transitions. [2018-04-05 18:21:13,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 18:21:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 184 transitions. [2018-04-05 18:21:13,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-05 18:21:13,792 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:13,792 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:13,793 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:13,793 INFO L82 PathProgramCache]: Analyzing trace with hash -852881311, 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 18:21:13,808 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:13,828 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:13,833 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 18:21:13,833 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,836 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 18:21:13,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:13,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:13,852 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,854 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,860 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 18:21:13,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-05 18:21:13,872 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-05 18:21:13,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-05 18:21:13,875 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:13,879 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 18:21:13,880 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-05 18:21:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:21:13,897 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:13,905 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 18:21:13,940 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:13,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 18:21:13,941 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 18:21:13,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 18:21:13,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 18:21:13,942 INFO L87 Difference]: Start difference. First operand 177 states and 184 transitions. Second operand 6 states. [2018-04-05 18:21:14,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:14,349 INFO L93 Difference]: Finished difference Result 247 states and 259 transitions. [2018-04-05 18:21:14,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 18:21:14,349 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-05 18:21:14,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:14,350 INFO L225 Difference]: With dead ends: 247 [2018-04-05 18:21:14,351 INFO L226 Difference]: Without dead ends: 234 [2018-04-05 18:21:14,351 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-04-05 18:21:14,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-04-05 18:21:14,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 180. [2018-04-05 18:21:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-05 18:21:14,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2018-04-05 18:21:14,365 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 16 [2018-04-05 18:21:14,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:14,366 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2018-04-05 18:21:14,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 18:21:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2018-04-05 18:21:14,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-05 18:21:14,367 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:14,367 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:14,367 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:14,367 INFO L82 PathProgramCache]: Analyzing trace with hash -852881310, 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 18:21:14,380 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:14,395 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:14,400 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 18:21:14,400 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,404 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,404 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 18:21:14,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:14,421 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:14,421 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,424 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:14,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:14,434 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,436 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,442 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 18:21:14,442 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-05 18:21:14,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-05 18:21:14,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-05 18:21:14,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,465 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,474 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-05 18:21:14,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-05 18:21:14,477 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,479 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:14,483 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 18:21:14,483 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-05 18:21:14,498 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 18:21:14,498 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:14,539 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 18:21:14,560 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:14,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-05 18:21:14,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 18:21:14,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 18:21:14,560 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-05 18:21:14,561 INFO L87 Difference]: Start difference. First operand 180 states and 194 transitions. Second operand 10 states. [2018-04-05 18:21:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:14,969 INFO L93 Difference]: Finished difference Result 265 states and 277 transitions. [2018-04-05 18:21:14,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-05 18:21:14,969 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-04-05 18:21:14,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:14,970 INFO L225 Difference]: With dead ends: 265 [2018-04-05 18:21:14,970 INFO L226 Difference]: Without dead ends: 260 [2018-04-05 18:21:14,971 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-04-05 18:21:14,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-05 18:21:14,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 176. [2018-04-05 18:21:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-05 18:21:14,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 189 transitions. [2018-04-05 18:21:14,984 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 189 transitions. Word has length 16 [2018-04-05 18:21:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:14,984 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 189 transitions. [2018-04-05 18:21:14,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 18:21:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 189 transitions. [2018-04-05 18:21:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-05 18:21:14,985 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:14,985 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:14,985 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:14,985 INFO L82 PathProgramCache]: Analyzing trace with hash -445860739, 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 18:21:14,991 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:15,012 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:15,015 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 18:21:15,015 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,017 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,017 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 18:21:15,024 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:15,027 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:15,027 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,029 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,048 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 18:21:15,048 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-05 18:21:15,054 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-05 18:21:15,055 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-05 18:21:15,056 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,062 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 18:21:15,062 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-05 18:21:15,073 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 18:21:15,073 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:15,081 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 18:21:15,106 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:15,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 18:21:15,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 18:21:15,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 18:21:15,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-05 18:21:15,107 INFO L87 Difference]: Start difference. First operand 176 states and 189 transitions. Second operand 6 states. [2018-04-05 18:21:15,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:15,385 INFO L93 Difference]: Finished difference Result 229 states and 238 transitions. [2018-04-05 18:21:15,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-05 18:21:15,385 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-05 18:21:15,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:15,386 INFO L225 Difference]: With dead ends: 229 [2018-04-05 18:21:15,387 INFO L226 Difference]: Without dead ends: 228 [2018-04-05 18:21:15,387 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-04-05 18:21:15,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-04-05 18:21:15,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 175. [2018-04-05 18:21:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-04-05 18:21:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 188 transitions. [2018-04-05 18:21:15,393 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 188 transitions. Word has length 23 [2018-04-05 18:21:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:15,394 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 188 transitions. [2018-04-05 18:21:15,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 18:21:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2018-04-05 18:21:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-05 18:21:15,394 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:15,394 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:15,394 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:15,394 INFO L82 PathProgramCache]: Analyzing trace with hash -445860738, 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 18:21:15,400 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:15,416 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:15,420 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 18:21:15,420 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,423 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,423 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 18:21:15,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:15,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:15,435 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,437 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:15,444 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:15,444 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,445 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,449 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 18:21:15,449 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-05 18:21:15,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2018-04-05 18:21:15,459 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 5 [2018-04-05 18:21:15,459 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,460 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-05 18:21:15,467 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-05 18:21:15,467 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,468 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,471 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 18:21:15,471 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-05 18:21:15,483 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 18:21:15,483 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:15,521 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 18:21:15,542 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:15,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-05 18:21:15,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-05 18:21:15,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-05 18:21:15,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-05 18:21:15,543 INFO L87 Difference]: Start difference. First operand 175 states and 188 transitions. Second operand 10 states. [2018-04-05 18:21:15,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:15,857 INFO L93 Difference]: Finished difference Result 259 states and 270 transitions. [2018-04-05 18:21:15,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-05 18:21:15,857 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-05 18:21:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:15,858 INFO L225 Difference]: With dead ends: 259 [2018-04-05 18:21:15,858 INFO L226 Difference]: Without dead ends: 256 [2018-04-05 18:21:15,859 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2018-04-05 18:21:15,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-04-05 18:21:15,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 172. [2018-04-05 18:21:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-05 18:21:15,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 185 transitions. [2018-04-05 18:21:15,865 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 185 transitions. Word has length 23 [2018-04-05 18:21:15,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:15,865 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 185 transitions. [2018-04-05 18:21:15,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-05 18:21:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 185 transitions. [2018-04-05 18:21:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-05 18:21:15,866 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:15,866 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:15,866 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:15,866 INFO L82 PathProgramCache]: Analyzing trace with hash -741637798, 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 18:21:15,872 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:15,896 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:15,901 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 18:21:15,901 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,903 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:15,903 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 18:21:15,920 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 18:21:15,920 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:15,925 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 18:21:15,946 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:15,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 18:21:15,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 18:21:15,947 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 18:21:15,947 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 18:21:15,948 INFO L87 Difference]: Start difference. First operand 172 states and 185 transitions. Second operand 4 states. [2018-04-05 18:21:16,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:16,072 INFO L93 Difference]: Finished difference Result 228 states and 243 transitions. [2018-04-05 18:21:16,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 18:21:16,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-04-05 18:21:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:16,074 INFO L225 Difference]: With dead ends: 228 [2018-04-05 18:21:16,074 INFO L226 Difference]: Without dead ends: 223 [2018-04-05 18:21:16,074 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 18:21:16,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-05 18:21:16,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 167. [2018-04-05 18:21:16,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-04-05 18:21:16,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 180 transitions. [2018-04-05 18:21:16,082 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 180 transitions. Word has length 34 [2018-04-05 18:21:16,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:16,082 INFO L459 AbstractCegarLoop]: Abstraction has 167 states and 180 transitions. [2018-04-05 18:21:16,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 18:21:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2018-04-05 18:21:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-05 18:21:16,083 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:16,083 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:16,083 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:16,084 INFO L82 PathProgramCache]: Analyzing trace with hash -741637797, 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 18:21:16,092 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:16,115 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:16,126 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 18:21:16,127 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:16,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:16,134 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-05 18:21:16,145 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 18:21:16,145 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:16,188 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 18:21:16,209 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:16,209 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-05 18:21:16,210 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-05 18:21:16,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-05 18:21:16,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-05 18:21:16,211 INFO L87 Difference]: Start difference. First operand 167 states and 180 transitions. Second operand 6 states. [2018-04-05 18:21:16,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:16,375 INFO L93 Difference]: Finished difference Result 249 states and 270 transitions. [2018-04-05 18:21:16,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-05 18:21:16,375 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-04-05 18:21:16,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:16,377 INFO L225 Difference]: With dead ends: 249 [2018-04-05 18:21:16,377 INFO L226 Difference]: Without dead ends: 244 [2018-04-05 18:21:16,378 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-04-05 18:21:16,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-04-05 18:21:16,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 162. [2018-04-05 18:21:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-05 18:21:16,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 175 transitions. [2018-04-05 18:21:16,384 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 175 transitions. Word has length 34 [2018-04-05 18:21:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:16,384 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 175 transitions. [2018-04-05 18:21:16,384 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-05 18:21:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 175 transitions. [2018-04-05 18:21:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-05 18:21:16,385 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:16,385 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:16,385 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:16,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603095, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:16,397 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:16,422 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:16,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:16,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:16,434 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 18:21:16,434 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:16,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:16,465 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-05 18:21:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:21:16,529 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:16,593 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 18:21:16,628 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:16,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-05 18:21:16,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 18:21:16,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 18:21:16,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-05 18:21:16,629 INFO L87 Difference]: Start difference. First operand 162 states and 175 transitions. Second operand 7 states. [2018-04-05 18:21:16,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:16,922 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2018-04-05 18:21:16,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-05 18:21:16,922 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-04-05 18:21:16,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:16,923 INFO L225 Difference]: With dead ends: 225 [2018-04-05 18:21:16,923 INFO L226 Difference]: Without dead ends: 222 [2018-04-05 18:21:16,923 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-04-05 18:21:16,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-04-05 18:21:16,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 171. [2018-04-05 18:21:16,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-05 18:21:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 188 transitions. [2018-04-05 18:21:16,935 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 188 transitions. Word has length 35 [2018-04-05 18:21:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:16,935 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 188 transitions. [2018-04-05 18:21:16,935 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 18:21:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2018-04-05 18:21:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-05 18:21:16,936 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:16,937 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:16,937 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:16,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1599603094, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:16,947 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:16,974 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:17,052 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-04-05 18:21:17,058 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,096 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,102 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 18:21:17,103 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,126 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:17,126 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:30 [2018-04-05 18:21:17,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,176 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,185 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 30 [2018-04-05 18:21:17,185 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,250 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,251 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:17,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 13 [2018-04-05 18:21:17,252 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:17,262 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:33 [2018-04-05 18:21:17,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:17,283 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:17,283 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,285 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,296 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:17,297 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:45 [2018-04-05 18:21:17,317 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 33 treesize of output 25 [2018-04-05 18:21:17,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 14 [2018-04-05 18:21:17,320 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,323 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,331 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:17,331 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:52, output treesize:33 [2018-04-05 18:21:17,432 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 18:21:17,432 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:17,606 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:17,606 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:48, output treesize:1 [2018-04-05 18:21:17,616 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 18:21:17,650 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:17,650 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 6] imperfect sequences [] total 15 [2018-04-05 18:21:17,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-05 18:21:17,651 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-05 18:21:17,651 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-04-05 18:21:17,651 INFO L87 Difference]: Start difference. First operand 171 states and 188 transitions. Second operand 16 states. [2018-04-05 18:21:18,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:18,824 INFO L93 Difference]: Finished difference Result 333 states and 358 transitions. [2018-04-05 18:21:18,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-05 18:21:18,825 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 35 [2018-04-05 18:21:18,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:18,827 INFO L225 Difference]: With dead ends: 333 [2018-04-05 18:21:18,827 INFO L226 Difference]: Without dead ends: 325 [2018-04-05 18:21:18,828 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=316, Invalid=738, Unknown=2, NotChecked=0, Total=1056 [2018-04-05 18:21:18,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-04-05 18:21:18,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 228. [2018-04-05 18:21:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-05 18:21:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 261 transitions. [2018-04-05 18:21:18,846 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 261 transitions. Word has length 35 [2018-04-05 18:21:18,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:18,847 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 261 transitions. [2018-04-05 18:21:18,847 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-05 18:21:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 261 transitions. [2018-04-05 18:21:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-05 18:21:18,848 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:18,848 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:18,848 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:18,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1951912896, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:18,855 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:18,878 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:18,910 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 18:21:18,910 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:18,920 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 18:21:18,942 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:18,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-05 18:21:18,942 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-05 18:21:18,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-05 18:21:18,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-05 18:21:18,943 INFO L87 Difference]: Start difference. First operand 228 states and 261 transitions. Second operand 5 states. [2018-04-05 18:21:19,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:19,099 INFO L93 Difference]: Finished difference Result 339 states and 384 transitions. [2018-04-05 18:21:19,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 18:21:19,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-04-05 18:21:19,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:19,102 INFO L225 Difference]: With dead ends: 339 [2018-04-05 18:21:19,102 INFO L226 Difference]: Without dead ends: 336 [2018-04-05 18:21:19,102 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 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 18:21:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-04-05 18:21:19,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 228. [2018-04-05 18:21:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-05 18:21:19,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2018-04-05 18:21:19,119 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 36 [2018-04-05 18:21:19,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:19,119 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2018-04-05 18:21:19,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-05 18:21:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2018-04-05 18:21:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-05 18:21:19,121 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:19,121 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:19,121 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:19,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1929810540, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:19,129 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:19,152 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:19,164 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 18:21:19,166 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 18:21:19,166 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,168 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,175 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 18:21:19,177 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 18:21:19,177 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,179 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,184 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-04-05 18:21:19,195 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,196 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 18:21:19,196 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,203 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,203 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-04-05 18:21:19,217 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 21 treesize of output 16 [2018-04-05 18:21:19,220 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,221 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 18:21:19,221 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,225 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 21 treesize of output 16 [2018-04-05 18:21:19,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 18:21:19,241 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,245 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,254 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 18:21:19,254 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:35 [2018-04-05 18:21:19,298 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2018-04-05 18:21:19,304 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 18:21:19,304 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,310 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,322 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28 [2018-04-05 18:21:19,327 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 14 treesize of output 13 [2018-04-05 18:21:19,327 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,331 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,341 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,341 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:68, output treesize:64 [2018-04-05 18:21:19,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,365 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,366 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 18:21:19,366 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,375 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,375 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:63 [2018-04-05 18:21:19,397 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2018-04-05 18:21:19,403 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,404 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 18:21:19,404 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,414 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,433 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 40 [2018-04-05 18:21:19,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,437 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-04-05 18:21:19,438 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,443 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,455 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 18:21:19,456 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:85, output treesize:67 [2018-04-05 18:21:19,555 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 87 [2018-04-05 18:21:19,578 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 89 treesize of output 88 [2018-04-05 18:21:19,578 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,623 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,636 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 71 [2018-04-05 18:21:19,636 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 18:21:19,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:19,709 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 74 [2018-04-05 18:21:19,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,712 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 35 [2018-04-05 18:21:19,713 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,726 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,728 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,743 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 146 [2018-04-05 18:21:19,747 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 123 treesize of output 122 [2018-04-05 18:21:19,747 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,819 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:19,850 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 2 xjuncts. [2018-04-05 18:21:19,851 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:105, output treesize:183 [2018-04-05 18:21:19,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 126 [2018-04-05 18:21:19,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:19,937 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 166 [2018-04-05 18:21:19,938 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,052 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,059 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 128 [2018-04-05 18:21:20,072 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-05 18:21:20,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:20,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 162 [2018-04-05 18:21:20,266 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 157 [2018-04-05 18:21:20,268 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,318 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,319 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 138 [2018-04-05 18:21:20,319 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,349 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,354 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 76 [2018-04-05 18:21:20,356 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,357 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-04-05 18:21:20,357 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,369 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 104 [2018-04-05 18:21:20,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,449 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-04-05 18:21:20,450 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,468 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 93 [2018-04-05 18:21:20,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,540 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,540 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:20,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-04-05 18:21:20,541 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,558 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:20,609 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-05 18:21:20,609 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:277, output treesize:315 [2018-04-05 18:21:20,993 WARN L151 SmtUtils]: Spent 309ms on a formula simplification. DAG size of input: 76 DAG size of output 57 [2018-04-05 18:21:21,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 105 [2018-04-05 18:21:21,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 76 [2018-04-05 18:21:21,105 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:21,184 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,187 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 81 [2018-04-05 18:21:21,199 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 18:21:21,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 89 [2018-04-05 18:21:21,264 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,327 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 70 [2018-04-05 18:21:21,328 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:21,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 61 [2018-04-05 18:21:21,378 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:21,422 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-05 18:21:21,488 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 49 [2018-04-05 18:21:21,491 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 45 treesize of output 38 [2018-04-05 18:21:21,491 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,520 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 38 treesize of output 31 [2018-04-05 18:21:21,521 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2018-04-05 18:21:21,549 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,569 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 41 treesize of output 34 [2018-04-05 18:21:21,569 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,589 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2018-04-05 18:21:21,590 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,600 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 59 [2018-04-05 18:21:21,629 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2018-04-05 18:21:21,630 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,688 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 48 [2018-04-05 18:21:21,688 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,735 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,736 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 39 [2018-04-05 18:21:21,737 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,766 INFO L267 ElimStorePlain]: Start of recursive call 14: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,771 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2018-04-05 18:21:21,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-05 18:21:21,775 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,797 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,798 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-05 18:21:21,798 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,808 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 7 treesize of output 1 [2018-04-05 18:21:21,808 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,813 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 69 [2018-04-05 18:21:21,855 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-05 18:21:21,856 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-05 18:21:21,913 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,937 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 37 [2018-04-05 18:21:21,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:21,972 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-05 18:21:21,972 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 8 [2018-04-05 18:21:21,979 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,982 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:21,991 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 9 variables, input treesize:225, output treesize:7 [2018-04-05 18:21:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:21:22,047 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:22,464 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:22,464 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:22,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-04-05 18:21:22,465 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:22,496 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:22,496 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:22,497 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 46 [2018-04-05 18:21:22,497 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:22,524 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-05 18:21:22,524 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:111, output treesize:90 [2018-04-05 18:21:26,766 WARN L148 SmtUtils]: Spent 4051ms on a formula simplification that was a NOOP. DAG size: 52 [2018-04-05 18:21:26,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 55 [2018-04-05 18:21:26,847 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2018-04-05 18:21:26,849 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,851 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2018-04-05 18:21:26,851 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:26,857 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:26,868 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 36 treesize of output 30 [2018-04-05 18:21:26,870 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,873 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 50 [2018-04-05 18:21:26,911 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,911 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,912 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-04-05 18:21:26,914 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:26,919 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:26,922 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:26,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:26,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 52 [2018-04-05 18:21:26,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2018-04-05 18:21:26,992 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:26,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 41 [2018-04-05 18:21:26,994 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:27,000 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:27,010 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 36 treesize of output 30 [2018-04-05 18:21:27,012 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:27,013 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:27,013 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:27,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 50 [2018-04-05 18:21:27,036 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:27,036 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:27,036 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:27,038 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 18 [2018-04-05 18:21:27,039 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:27,044 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:27,047 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:27,053 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:27,067 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:27,068 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:120, output treesize:10 [2018-04-05 18:21:27,104 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 18:21:27,124 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:27,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [20, 15] imperfect sequences [] total 31 [2018-04-05 18:21:27,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-05 18:21:27,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-05 18:21:27,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2018-04-05 18:21:27,126 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 31 states. [2018-04-05 18:21:28,385 WARN L151 SmtUtils]: Spent 154ms on a formula simplification. DAG size of input: 114 DAG size of output 93 [2018-04-05 18:21:28,580 WARN L151 SmtUtils]: Spent 150ms on a formula simplification. DAG size of input: 118 DAG size of output 97 [2018-04-05 18:21:28,990 WARN L151 SmtUtils]: Spent 336ms on a formula simplification. DAG size of input: 131 DAG size of output 118 [2018-04-05 18:21:32,849 WARN L151 SmtUtils]: Spent 3558ms on a formula simplification. DAG size of input: 135 DAG size of output 122 [2018-04-05 18:21:33,585 WARN L151 SmtUtils]: Spent 281ms on a formula simplification. DAG size of input: 124 DAG size of output 115 [2018-04-05 18:21:33,821 WARN L148 SmtUtils]: Spent 122ms on a formula simplification that was a NOOP. DAG size: 64 [2018-04-05 18:21:35,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:35,332 INFO L93 Difference]: Finished difference Result 430 states and 478 transitions. [2018-04-05 18:21:35,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-05 18:21:35,333 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 42 [2018-04-05 18:21:35,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:35,335 INFO L225 Difference]: With dead ends: 430 [2018-04-05 18:21:35,335 INFO L226 Difference]: Without dead ends: 331 [2018-04-05 18:21:35,336 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=800, Invalid=2982, Unknown=0, NotChecked=0, Total=3782 [2018-04-05 18:21:35,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-04-05 18:21:35,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 197. [2018-04-05 18:21:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-05 18:21:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 214 transitions. [2018-04-05 18:21:35,353 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 214 transitions. Word has length 42 [2018-04-05 18:21:35,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:35,354 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 214 transitions. [2018-04-05 18:21:35,354 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-05 18:21:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 214 transitions. [2018-04-05 18:21:35,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-05 18:21:35,355 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:35,355 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:35,355 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:35,355 INFO L82 PathProgramCache]: Analyzing trace with hash -434469709, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) [2018-04-05 18:21:35,366 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:35,396 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:35,854 WARN L151 SmtUtils]: Spent 228ms on a formula simplification. DAG size of input: 17 DAG size of output 14 [2018-04-05 18:21:35,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:35,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-04-05 18:21:35,932 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:36,189 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:36,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:36,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 18:21:36,216 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:36,393 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:36,393 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:30 [2018-04-05 18:21:36,504 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:36,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:36,586 INFO L303 Elim1Store]: Index analysis took 164 ms [2018-04-05 18:21:36,587 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 30 [2018-04-05 18:21:36,587 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:36,964 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:36,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,003 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,004 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 34 [2018-04-05 18:21:37,005 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:37,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:37,157 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:48 [2018-04-05 18:21:37,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-05 18:21:37,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:37,180 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:37,182 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:37,197 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:37,198 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:64 [2018-04-05 18:21:37,229 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 42 treesize of output 32 [2018-04-05 18:21:37,238 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 19 [2018-04-05 18:21:37,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:37,263 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:37,277 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:37,277 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:71, output treesize:48 [2018-04-05 18:21:37,348 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,361 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,369 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,370 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 59 [2018-04-05 18:21:37,371 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:37,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,482 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,499 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:37,500 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 25 [2018-04-05 18:21:37,501 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:37,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:37,562 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:59, output treesize:38 [2018-04-05 18:21:37,692 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 18:21:37,692 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:40,074 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:40,074 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 6 variables, input treesize:76, output treesize:1 [2018-04-05 18:21:40,089 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 18:21:40,118 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 18:21:40,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 7] imperfect sequences [] total 17 [2018-04-05 18:21:40,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-05 18:21:40,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-05 18:21:40,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=213, Unknown=1, NotChecked=0, Total=306 [2018-04-05 18:21:40,119 INFO L87 Difference]: Start difference. First operand 197 states and 214 transitions. Second operand 18 states. [2018-04-05 18:21:41,791 WARN L151 SmtUtils]: Spent 267ms on a formula simplification. DAG size of input: 53 DAG size of output 46 [2018-04-05 18:21:42,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:42,298 INFO L93 Difference]: Finished difference Result 316 states and 333 transitions. [2018-04-05 18:21:42,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-05 18:21:42,299 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2018-04-05 18:21:42,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:42,301 INFO L225 Difference]: With dead ends: 316 [2018-04-05 18:21:42,301 INFO L226 Difference]: Without dead ends: 311 [2018-04-05 18:21:42,302 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=376, Invalid=883, Unknown=1, NotChecked=0, Total=1260 [2018-04-05 18:21:42,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-05 18:21:42,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 236. [2018-04-05 18:21:42,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-04-05 18:21:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 266 transitions. [2018-04-05 18:21:42,324 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 266 transitions. Word has length 47 [2018-04-05 18:21:42,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:42,324 INFO L459 AbstractCegarLoop]: Abstraction has 236 states and 266 transitions. [2018-04-05 18:21:42,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-05 18:21:42,324 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 266 transitions. [2018-04-05 18:21:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-05 18:21:42,325 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:42,325 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:42,325 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:42,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1959711931, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:42,338 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:42,366 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:42,376 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,377 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,377 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 18:21:42,378 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,379 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,379 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-05 18:21:42,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-04-05 18:21:42,386 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:42,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,389 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,394 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 18:21:42,395 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2018-04-05 18:21:42,451 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 30 [2018-04-05 18:21:42,462 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 18:21:42,463 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,470 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,489 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,490 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-04-05 18:21:42,514 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-05 18:21:42,516 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,523 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:29 [2018-04-05 18:21:42,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,555 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 35 [2018-04-05 18:21:42,558 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 18:21:42,561 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,571 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,596 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 18:21:42,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:38 [2018-04-05 18:21:42,665 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,682 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 74 [2018-04-05 18:21:42,686 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 66 [2018-04-05 18:21:42,697 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 18:21:42,749 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 64 treesize of output 63 [2018-04-05 18:21:42,750 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,775 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:42,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-05 18:21:42,809 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:67, output treesize:107 [2018-04-05 18:21:42,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 47 [2018-04-05 18:21:42,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,864 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 58 [2018-04-05 18:21:42,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,879 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,951 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 87 treesize of output 75 [2018-04-05 18:21:42,956 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,957 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 97 [2018-04-05 18:21:42,958 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:42,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:42,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,006 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 71 [2018-04-05 18:21:43,007 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-05 18:21:43,031 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:43,055 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-04-05 18:21:43,055 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:151, output treesize:173 [2018-04-05 18:21:43,401 WARN L151 SmtUtils]: Spent 303ms on a formula simplification. DAG size of input: 54 DAG size of output 41 [2018-04-05 18:21:43,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 69 [2018-04-05 18:21:43,462 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 90 [2018-04-05 18:21:43,464 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,474 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,498 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 45 [2018-04-05 18:21:43,500 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 57 [2018-04-05 18:21:43,502 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,517 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,536 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-05 18:21:43,536 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:144, output treesize:136 [2018-04-05 18:21:43,766 WARN L148 SmtUtils]: Spent 207ms on a formula simplification that was a NOOP. DAG size: 44 [2018-04-05 18:21:43,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 64 [2018-04-05 18:21:43,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 60 [2018-04-05 18:21:43,871 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-05 18:21:43,908 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 20 [2018-04-05 18:21:43,909 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,911 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,912 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2018-04-05 18:21:43,912 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,938 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 52 [2018-04-05 18:21:43,938 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,958 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 32 [2018-04-05 18:21:43,958 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,975 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:43,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 16 [2018-04-05 18:21:43,977 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,983 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,990 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:43,990 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:150, output treesize:10 [2018-04-05 18:21:44,025 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:44,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-05 18:21:44,026 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:44,029 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:44,030 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-05 18:21:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:21:44,065 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:21:44,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2018-04-05 18:21:44,381 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:44,390 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 40 [2018-04-05 18:21:44,391 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:44,395 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-05 18:21:44,395 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:90, output treesize:74 [2018-04-05 18:21:46,691 WARN L148 SmtUtils]: Spent 110ms on a formula simplification that was a NOOP. DAG size: 50 [2018-04-05 18:21:47,205 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,205 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 82 [2018-04-05 18:21:47,206 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,230 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,230 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,231 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 83 [2018-04-05 18:21:47,231 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,252 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 59 [2018-04-05 18:21:47,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-04-05 18:21:47,270 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,277 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:47,278 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 59 [2018-04-05 18:21:47,309 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 31 [2018-04-05 18:21:47,312 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,313 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2018-04-05 18:21:47,313 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,326 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,327 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,327 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:47,329 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 36 [2018-04-05 18:21:47,330 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,344 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:47,360 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 30 treesize of output 24 [2018-04-05 18:21:47,361 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2018-04-05 18:21:47,363 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,366 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,367 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 34 treesize of output 28 [2018-04-05 18:21:47,369 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 17 [2018-04-05 18:21:47,371 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,374 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,381 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:47,391 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:47,413 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 60 [2018-04-05 18:21:47,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-04-05 18:21:47,432 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:47,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 49 [2018-04-05 18:21:47,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 31 [2018-04-05 18:21:47,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,480 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,482 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 42 [2018-04-05 18:21:47,484 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,496 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:47,503 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 27 treesize of output 21 [2018-04-05 18:21:47,504 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,504 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,506 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:21:47,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 22 [2018-04-05 18:21:47,510 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-04-05 18:21:47,521 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:47,529 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:47,541 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-05 18:21:47,562 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-05 18:21:47,562 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 12 variables, input treesize:184, output treesize:22 [2018-04-05 18:21:47,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:21:47,641 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-05 18:21:47,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2018-04-05 18:21:47,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-05 18:21:47,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-05 18:21:47,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1000, Unknown=2, NotChecked=0, Total=1122 [2018-04-05 18:21:47,642 INFO L87 Difference]: Start difference. First operand 236 states and 266 transitions. Second operand 34 states. [2018-04-05 18:21:49,349 WARN L151 SmtUtils]: Spent 209ms on a formula simplification. DAG size of input: 73 DAG size of output 52 [2018-04-05 18:21:49,517 WARN L151 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 101 DAG size of output 89 [2018-04-05 18:21:52,830 WARN L151 SmtUtils]: Spent 2622ms on a formula simplification. DAG size of input: 100 DAG size of output 86 [2018-04-05 18:21:53,079 WARN L151 SmtUtils]: Spent 185ms on a formula simplification. DAG size of input: 105 DAG size of output 91 [2018-04-05 18:21:53,375 WARN L151 SmtUtils]: Spent 104ms on a formula simplification. DAG size of input: 70 DAG size of output 49 [2018-04-05 18:21:54,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 18:21:54,316 INFO L93 Difference]: Finished difference Result 331 states and 347 transitions. [2018-04-05 18:21:54,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-05 18:21:54,316 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 54 [2018-04-05 18:21:54,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 18:21:54,318 INFO L225 Difference]: With dead ends: 331 [2018-04-05 18:21:54,318 INFO L226 Difference]: Without dead ends: 330 [2018-04-05 18:21:54,319 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=536, Invalid=3122, Unknown=2, NotChecked=0, Total=3660 [2018-04-05 18:21:54,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-04-05 18:21:54,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2018-04-05 18:21:54,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-04-05 18:21:54,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2018-04-05 18:21:54,338 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 54 [2018-04-05 18:21:54,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 18:21:54,338 INFO L459 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2018-04-05 18:21:54,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-05 18:21:54,338 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2018-04-05 18:21:54,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-05 18:21:54,339 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 18:21:54,339 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 18:21:54,339 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr58AssertViolationMEMORY_FREE, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr63AssertViolationMEMORY_FREE, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr55RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr59AssertViolationMEMORY_FREE, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr62AssertViolationMEMORY_FREE, mainErr64EnsuresViolationMEMORY_LEAK, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-05 18:21:54,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1959711932, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 18:21:54,346 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 18:21:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 18:21:54,371 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 18:21:54,376 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 18:21:54,376 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,384 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 21 [2018-04-05 18:21:54,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,391 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,392 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-05 18:21:54,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-04-05 18:21:54,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:54,404 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,405 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 11 treesize of output 8 [2018-04-05 18:21:54,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-05 18:21:54,416 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,417 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,424 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 18:21:54,424 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:39 [2018-04-05 18:21:54,460 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2018-04-05 18:21:54,465 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 18:21:54,465 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,487 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,490 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 26 [2018-04-05 18:21:54,491 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 14 treesize of output 13 [2018-04-05 18:21:54,492 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,496 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,505 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,506 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2018-04-05 18:21:54,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 18:21:54,527 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2018-04-05 18:21:54,545 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,556 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,556 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:71 [2018-04-05 18:21:54,577 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2018-04-05 18:21:54,583 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,584 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 18:21:54,584 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,597 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,620 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 38 [2018-04-05 18:21:54,623 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 31 [2018-04-05 18:21:54,624 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,631 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,647 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 18:21:54,647 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:93, output treesize:83 [2018-04-05 18:21:54,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,717 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 59 [2018-04-05 18:21:54,719 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 18 treesize of output 17 [2018-04-05 18:21:54,719 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,726 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,751 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 118 [2018-04-05 18:21:54,753 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 18:21:54,753 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,771 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,788 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 18:21:54,788 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:129, output treesize:121 [2018-04-05 18:21:54,823 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 80 [2018-04-05 18:21:54,864 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,864 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-04-05 18:21:54,864 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,875 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,905 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 122 [2018-04-05 18:21:54,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:54,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 39 [2018-04-05 18:21:54,910 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,938 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:54,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:54,956 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:180, output treesize:156 [2018-04-05 18:21:55,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 162 treesize of output 123 [2018-04-05 18:21:55,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:55,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 164 [2018-04-05 18:21:55,053 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,078 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,112 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 97 [2018-04-05 18:21:55,115 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:55,115 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-04-05 18:21:55,115 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,128 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,150 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:55,151 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:182, output treesize:174 [2018-04-05 18:21:55,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 102 [2018-04-05 18:21:55,209 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:55,211 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2018-04-05 18:21:55,212 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:55,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:55,233 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 29 [2018-04-05 18:21:55,234 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,249 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:55,250 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-05 18:21:55,250 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,261 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:55,279 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 49 [2018-04-05 18:21:55,282 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:55,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-04-05 18:21:55,282 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,293 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:21:55,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2018-04-05 18:21:55,294 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,299 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 7 treesize of output 1 [2018-04-05 18:21:55,299 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,300 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:21:55,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-05 18:21:55,307 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:188, output treesize:18 [2018-04-05 18:21:55,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 18:21:55,375 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 18:22:05,037 WARN L148 SmtUtils]: Spent 181ms on a formula simplification that was a NOOP. DAG size: 70 [2018-04-05 18:22:05,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 150 [2018-04-05 18:22:05,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-04-05 18:22:05,110 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 18:22:05,125 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:05,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 124 treesize of output 162 [2018-04-05 18:22:05,541 WARN L151 SmtUtils]: Spent 367ms on a formula simplification. DAG size of input: 233 DAG size of output 151 [2018-04-05 18:22:05,543 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 124 [2018-04-05 18:22:05,545 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:05,547 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-04-05 18:22:05,547 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-05 18:22:05,561 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:22:05,713 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 124 [2018-04-05 18:22:05,717 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:05,721 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:05,729 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 117 treesize of output 133 [2018-04-05 18:22:05,729 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-05 18:22:05,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:05,782 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:05,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 134 [2018-04-05 18:22:05,783 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-05 18:22:05,827 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-05 18:22:05,987 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 119 [2018-04-05 18:22:05,989 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:05,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 24 [2018-04-05 18:22:05,991 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-05 18:22:06,001 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 18:22:06,158 INFO L682 Elim1Store]: detected equality via solver [2018-04-05 18:22:06,162 INFO L700 Elim1Store]: detected not equals via solver [2018-04-05 18:22:06,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 122 treesize of output 129 [2018-04-05 18:22:06,192 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_108 term size 50 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:445) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:421) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-05 18:22:06,195 INFO L168 Benchmark]: Toolchain (without parser) took 54956.21 ms. Allocated memory was 301.5 MB in the beginning and 650.6 MB in the end (delta: 349.2 MB). Free memory was 238.5 MB in the beginning and 531.3 MB in the end (delta: -292.8 MB). Peak memory consumption was 282.5 MB. Max. memory is 5.3 GB. [2018-04-05 18:22:06,196 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 301.5 MB. Free memory is still 263.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 18:22:06,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.08 ms. Allocated memory is still 301.5 MB. Free memory was 238.5 MB in the beginning and 210.6 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. [2018-04-05 18:22:06,197 INFO L168 Benchmark]: Boogie Preprocessor took 63.39 ms. Allocated memory is still 301.5 MB. Free memory was 210.6 MB in the beginning and 207.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. [2018-04-05 18:22:06,197 INFO L168 Benchmark]: RCFGBuilder took 828.81 ms. Allocated memory was 301.5 MB in the beginning and 465.0 MB in the end (delta: 163.6 MB). Free memory was 207.5 MB in the beginning and 377.7 MB in the end (delta: -170.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 5.3 GB. [2018-04-05 18:22:06,197 INFO L168 Benchmark]: TraceAbstraction took 53590.48 ms. Allocated memory was 465.0 MB in the beginning and 650.6 MB in the end (delta: 185.6 MB). Free memory was 376.2 MB in the beginning and 531.3 MB in the end (delta: -155.0 MB). Peak memory consumption was 256.7 MB. Max. memory is 5.3 GB. [2018-04-05 18:22:06,199 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 301.5 MB. Free memory is still 263.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 469.08 ms. Allocated memory is still 301.5 MB. Free memory was 238.5 MB in the beginning and 210.6 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 63.39 ms. Allocated memory is still 301.5 MB. Free memory was 210.6 MB in the beginning and 207.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 828.81 ms. Allocated memory was 301.5 MB in the beginning and 465.0 MB in the end (delta: 163.6 MB). Free memory was 207.5 MB in the beginning and 377.7 MB in the end (delta: -170.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 53590.48 ms. Allocated memory was 465.0 MB in the beginning and 650.6 MB in the end (delta: 185.6 MB). Free memory was 376.2 MB in the beginning and 531.3 MB in the end (delta: -155.0 MB). Peak memory consumption was 256.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_108 term size 50 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_108 term size 50: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-buckets_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_18-22-06-205.csv Received shutdown request...