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 0.1.23-453dfda-m [2018-04-09 23:00:20,513 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-09 23:00:20,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-09 23:00:20,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-09 23:00:20,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-09 23:00:20,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-09 23:00:20,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-09 23:00:20,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-09 23:00:20,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-09 23:00:20,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-09 23:00:20,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-09 23:00:20,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-09 23:00:20,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-09 23:00:20,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-09 23:00:20,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-09 23:00:20,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-09 23:00:20,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-09 23:00:20,546 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-09 23:00:20,547 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-09 23:00:20,548 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-09 23:00:20,551 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-09 23:00:20,557 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 [2018-04-09 23:00:20,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-09 23:00:20,581 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-09 23:00:20,581 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-09 23:00:20,581 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-09 23:00:20,582 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-09 23:00:20,582 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-09 23:00:20,582 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-09 23:00:20,582 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-09 23:00:20,582 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-09 23:00:20,583 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-09 23:00:20,583 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-09 23:00:20,583 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-09 23:00:20,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-09 23:00:20,584 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-09 23:00:20,584 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-09 23:00:20,584 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-09 23:00:20,584 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-09 23:00:20,584 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-09 23:00:20,584 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-09 23:00:20,585 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-09 23:00:20,585 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-09 23:00:20,585 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-09 23:00:20,585 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-09 23:00:20,585 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-09 23:00:20,585 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-09 23:00:20,586 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-09 23:00:20,586 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-09 23:00:20,586 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-09 23:00:20,586 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-09 23:00:20,586 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-09 23:00:20,587 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-09 23:00:20,587 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-09 23:00:20,587 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 23:00:20,587 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-09 23:00:20,588 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-09 23:00:20,588 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-09 23:00:20,588 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-09 23:00:20,588 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-09 23:00:20,621 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-09 23:00:20,634 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-09 23:00:20,638 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-09 23:00:20,639 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-09 23:00:20,640 INFO L276 PluginConnector]: CDTParser initialized [2018-04-09 23:00:20,640 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 [2018-04-09 23:00:20,954 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG89d8c23ec [2018-04-09 23:00:21,133 INFO L287 CDTParser]: IsIndexed: true [2018-04-09 23:00:21,134 INFO L288 CDTParser]: Found 1 translation units. [2018-04-09 23:00:21,134 INFO L168 CDTParser]: Scanning sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-09 23:00:21,145 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-09 23:00:21,145 INFO L215 ultiparseSymbolTable]: [2018-04-09 23:00:21,146 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-09 23:00:21,146 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-09 23:00:21,146 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-09 23:00:21,146 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 [2018-04-09 23:00:21,146 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 [2018-04-09 23:00:21,146 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 [2018-04-09 23:00:21,146 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,147 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,148 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,149 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,150 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,151 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,152 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,153 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,154 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,155 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,156 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,157 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,158 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 [2018-04-09 23:00:21,159 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 [2018-04-09 23:00:21,159 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 [2018-04-09 23:00:21,159 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 [2018-04-09 23:00:21,159 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 [2018-04-09 23:00:21,174 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG89d8c23ec [2018-04-09 23:00:21,179 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-09 23:00:21,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-09 23:00:21,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-09 23:00:21,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-09 23:00:21,189 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-09 23:00:21,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c26d6a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21, skipping insertion in model container [2018-04-09 23:00:21,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,207 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 23:00:21,240 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-09 23:00:21,417 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 23:00:21,472 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-09 23:00:21,480 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-09 23:00:21,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21 WrapperNode [2018-04-09 23:00:21,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-09 23:00:21,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-09 23:00:21,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-09 23:00:21,532 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-09 23:00:21,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (1/1) ... [2018-04-09 23:00:21,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-09 23:00:21,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-09 23:00:21,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-09 23:00:21,591 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-09 23:00:21,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (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 [2018-04-09 23:00:21,711 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-09 23:00:21,712 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-09 23:00:21,712 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-09 23:00:21,712 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-09 23:00:21,712 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-09 23:00:21,712 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-09 23:00:21,712 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-09 23:00:21,712 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-09 23:00:21,713 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-09 23:00:21,713 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-09 23:00:21,713 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-09 23:00:21,713 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-09 23:00:21,713 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-09 23:00:21,713 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-09 23:00:21,714 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-09 23:00:21,714 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-09 23:00:21,714 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-09 23:00:21,714 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-09 23:00:21,714 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-09 23:00:21,714 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-09 23:00:21,714 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-09 23:00:21,715 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-09 23:00:21,715 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-09 23:00:21,715 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-09 23:00:21,715 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-09 23:00:21,715 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-09 23:00:21,715 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-09 23:00:21,716 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-09 23:00:21,716 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-09 23:00:21,716 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-09 23:00:21,716 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-09 23:00:21,716 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-09 23:00:21,716 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-09 23:00:21,716 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-09 23:00:21,717 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-09 23:00:21,718 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-09 23:00:21,719 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-09 23:00:21,720 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-09 23:00:21,721 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-09 23:00:21,722 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-09 23:00:21,723 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-09 23:00:21,723 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-09 23:00:21,723 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-09 23:00:21,723 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-09 23:00:21,723 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-09 23:00:21,723 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-09 23:00:21,723 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-09 23:00:21,724 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-09 23:00:21,725 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-09 23:00:21,726 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-09 23:00:22,355 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-09 23:00:22,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 11:00:22 BoogieIcfgContainer [2018-04-09 23:00:22,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-09 23:00:22,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-09 23:00:22,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-09 23:00:22,359 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-09 23:00:22,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.04 11:00:21" (1/3) ... [2018-04-09 23:00:22,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c7766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 11:00:22, skipping insertion in model container [2018-04-09 23:00:22,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.04 11:00:21" (2/3) ... [2018-04-09 23:00:22,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c7766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.04 11:00:22, skipping insertion in model container [2018-04-09 23:00:22,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.04 11:00:22" (3/3) ... [2018-04-09 23:00:22,362 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-buckets_true-unreach-call_true-valid-memsafety.i [2018-04-09 23:00:22,370 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-09 23:00:22,377 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 65 error locations. [2018-04-09 23:00:22,417 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-09 23:00:22,418 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-09 23:00:22,418 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-09 23:00:22,418 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-09 23:00:22,418 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-09 23:00:22,418 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-09 23:00:22,418 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-09 23:00:22,418 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-09 23:00:22,418 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-09 23:00:22,419 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-09 23:00:22,437 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2018-04-09 23:00:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-09 23:00:22,443 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:22,444 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 23:00:22,444 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]=== [2018-04-09 23:00:22,449 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 [2018-04-09 23:00:22,462 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:22,497 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:22,551 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 [2018-04-09 23:00:22,553 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:22,568 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:22,568 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 23:00:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:22,588 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:22,622 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:22,622 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 23:00:22,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 23:00:22,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 23:00:22,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 23:00:22,643 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 4 states. [2018-04-09 23:00:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:22,956 INFO L93 Difference]: Finished difference Result 397 states and 461 transitions. [2018-04-09 23:00:22,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 23:00:22,957 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-09 23:00:22,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:22,971 INFO L225 Difference]: With dead ends: 397 [2018-04-09 23:00:22,971 INFO L226 Difference]: Without dead ends: 232 [2018-04-09 23:00:22,975 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 [2018-04-09 23:00:22,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-04-09 23:00:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 181. [2018-04-09 23:00:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-04-09 23:00:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 188 transitions. [2018-04-09 23:00:23,021 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 188 transitions. Word has length 9 [2018-04-09 23:00:23,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:23,022 INFO L459 AbstractCegarLoop]: Abstraction has 181 states and 188 transitions. [2018-04-09 23:00:23,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 23:00:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 188 transitions. [2018-04-09 23:00:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-09 23:00:23,023 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:23,023 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 23:00:23,023 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]=== [2018-04-09 23:00:23,023 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 [2018-04-09 23:00:23,030 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:23,041 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:23,053 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 23:00:23,054 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,069 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,070 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 23:00:23,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:23,091 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:23,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:23,170 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:23,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-09 23:00:23,171 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 23:00:23,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 23:00:23,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 23:00:23,172 INFO L87 Difference]: Start difference. First operand 181 states and 188 transitions. Second operand 6 states. [2018-04-09 23:00:23,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:23,546 INFO L93 Difference]: Finished difference Result 281 states and 291 transitions. [2018-04-09 23:00:23,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-09 23:00:23,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-09 23:00:23,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:23,549 INFO L225 Difference]: With dead ends: 281 [2018-04-09 23:00:23,550 INFO L226 Difference]: Without dead ends: 277 [2018-04-09 23:00:23,552 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 [2018-04-09 23:00:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-04-09 23:00:23,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 177. [2018-04-09 23:00:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-04-09 23:00:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 184 transitions. [2018-04-09 23:00:23,569 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 184 transitions. Word has length 9 [2018-04-09 23:00:23,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:23,569 INFO L459 AbstractCegarLoop]: Abstraction has 177 states and 184 transitions. [2018-04-09 23:00:23,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 23:00:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 184 transitions. [2018-04-09 23:00:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-09 23:00:23,570 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:23,570 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 23:00:23,570 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]=== [2018-04-09 23:00:23,570 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 [2018-04-09 23:00:23,582 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:23,599 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:23,610 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-09 23:00:23,610 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,625 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 23:00:23,654 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 [2018-04-09 23:00:23,656 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 [2018-04-09 23:00:23,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,661 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,661 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-09 23:00:23,667 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 [2018-04-09 23:00:23,669 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 [2018-04-09 23:00:23,669 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,670 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,671 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:23,672 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 23:00:23,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:23,683 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:23,714 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:23,714 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 23:00:23,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 23:00:23,714 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 23:00:23,715 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 23:00:23,715 INFO L87 Difference]: Start difference. First operand 177 states and 184 transitions. Second operand 6 states. [2018-04-09 23:00:24,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:24,036 INFO L93 Difference]: Finished difference Result 247 states and 259 transitions. [2018-04-09 23:00:24,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 23:00:24,036 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-09 23:00:24,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:24,038 INFO L225 Difference]: With dead ends: 247 [2018-04-09 23:00:24,038 INFO L226 Difference]: Without dead ends: 234 [2018-04-09 23:00:24,038 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 [2018-04-09 23:00:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-04-09 23:00:24,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 180. [2018-04-09 23:00:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-09 23:00:24,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 194 transitions. [2018-04-09 23:00:24,049 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 194 transitions. Word has length 16 [2018-04-09 23:00:24,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:24,050 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 194 transitions. [2018-04-09 23:00:24,050 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 23:00:24,050 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 194 transitions. [2018-04-09 23:00:24,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-09 23:00:24,050 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:24,050 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-09 23:00:24,050 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]=== [2018-04-09 23:00:24,050 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 [2018-04-09 23:00:24,058 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:24,073 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:24,077 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 [2018-04-09 23:00:24,077 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,081 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,081 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 23:00:24,093 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 [2018-04-09 23:00:24,095 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 [2018-04-09 23:00:24,095 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,097 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,104 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 [2018-04-09 23:00:24,107 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 [2018-04-09 23:00:24,107 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,109 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,119 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,120 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-09 23:00:24,132 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 [2018-04-09 23:00:24,134 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 [2018-04-09 23:00:24,135 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,136 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,143 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 [2018-04-09 23:00:24,145 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 [2018-04-09 23:00:24,145 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,147 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,152 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,152 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-09 23:00:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:24,168 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:24,229 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:24,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-09 23:00:24,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 23:00:24,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 23:00:24,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-09 23:00:24,231 INFO L87 Difference]: Start difference. First operand 180 states and 194 transitions. Second operand 10 states. [2018-04-09 23:00:24,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:24,712 INFO L93 Difference]: Finished difference Result 265 states and 277 transitions. [2018-04-09 23:00:24,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-09 23:00:24,712 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-04-09 23:00:24,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:24,713 INFO L225 Difference]: With dead ends: 265 [2018-04-09 23:00:24,713 INFO L226 Difference]: Without dead ends: 260 [2018-04-09 23:00:24,714 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 [2018-04-09 23:00:24,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-09 23:00:24,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 176. [2018-04-09 23:00:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-04-09 23:00:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 189 transitions. [2018-04-09 23:00:24,725 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 189 transitions. Word has length 16 [2018-04-09 23:00:24,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:24,725 INFO L459 AbstractCegarLoop]: Abstraction has 176 states and 189 transitions. [2018-04-09 23:00:24,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 23:00:24,725 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 189 transitions. [2018-04-09 23:00:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-09 23:00:24,726 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:24,726 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] [2018-04-09 23:00:24,726 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]=== [2018-04-09 23:00:24,726 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 [2018-04-09 23:00:24,735 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:24,753 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:24,761 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 [2018-04-09 23:00:24,761 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,762 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,763 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 23:00:24,769 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 [2018-04-09 23:00:24,771 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 [2018-04-09 23:00:24,772 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,773 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-09 23:00:24,784 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 [2018-04-09 23:00:24,786 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 [2018-04-09 23:00:24,786 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,788 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:24,788 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-09 23:00:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:24,797 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:24,824 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:24,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 23:00:24,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 23:00:24,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 23:00:24,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-09 23:00:24,826 INFO L87 Difference]: Start difference. First operand 176 states and 189 transitions. Second operand 6 states. [2018-04-09 23:00:25,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:25,087 INFO L93 Difference]: Finished difference Result 229 states and 238 transitions. [2018-04-09 23:00:25,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-09 23:00:25,087 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-04-09 23:00:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:25,088 INFO L225 Difference]: With dead ends: 229 [2018-04-09 23:00:25,088 INFO L226 Difference]: Without dead ends: 228 [2018-04-09 23:00:25,088 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 [2018-04-09 23:00:25,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-04-09 23:00:25,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 175. [2018-04-09 23:00:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-04-09 23:00:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 188 transitions. [2018-04-09 23:00:25,095 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 188 transitions. Word has length 23 [2018-04-09 23:00:25,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:25,096 INFO L459 AbstractCegarLoop]: Abstraction has 175 states and 188 transitions. [2018-04-09 23:00:25,096 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 23:00:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2018-04-09 23:00:25,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-09 23:00:25,096 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:25,096 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] [2018-04-09 23:00:25,096 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]=== [2018-04-09 23:00:25,097 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 [2018-04-09 23:00:25,102 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:25,119 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:25,122 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 [2018-04-09 23:00:25,122 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,125 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,125 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 23:00:25,134 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 [2018-04-09 23:00:25,137 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 [2018-04-09 23:00:25,137 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,139 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,144 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 [2018-04-09 23:00:25,146 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 [2018-04-09 23:00:25,146 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,147 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,151 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,151 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-09 23:00:25,159 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 [2018-04-09 23:00:25,161 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 [2018-04-09 23:00:25,161 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,167 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 [2018-04-09 23:00:25,169 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 [2018-04-09 23:00:25,169 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,170 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,175 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,175 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-09 23:00:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:25,188 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:25,246 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:25,246 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2018-04-09 23:00:25,247 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-09 23:00:25,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-09 23:00:25,247 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2018-04-09 23:00:25,247 INFO L87 Difference]: Start difference. First operand 175 states and 188 transitions. Second operand 10 states. [2018-04-09 23:00:25,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:25,561 INFO L93 Difference]: Finished difference Result 259 states and 270 transitions. [2018-04-09 23:00:25,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-09 23:00:25,562 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-04-09 23:00:25,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:25,563 INFO L225 Difference]: With dead ends: 259 [2018-04-09 23:00:25,563 INFO L226 Difference]: Without dead ends: 256 [2018-04-09 23:00:25,564 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 [2018-04-09 23:00:25,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-04-09 23:00:25,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 172. [2018-04-09 23:00:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-04-09 23:00:25,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 185 transitions. [2018-04-09 23:00:25,571 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 185 transitions. Word has length 23 [2018-04-09 23:00:25,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:25,571 INFO L459 AbstractCegarLoop]: Abstraction has 172 states and 185 transitions. [2018-04-09 23:00:25,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-09 23:00:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 185 transitions. [2018-04-09 23:00:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-09 23:00:25,573 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:25,573 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] [2018-04-09 23:00:25,573 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]=== [2018-04-09 23:00:25,573 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 [2018-04-09 23:00:25,579 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:25,604 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:25,611 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 [2018-04-09 23:00:25,611 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,613 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,613 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-09 23:00:25,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:25,618 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:25,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:25,643 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:25,643 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-09 23:00:25,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-09 23:00:25,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-09 23:00:25,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-09 23:00:25,644 INFO L87 Difference]: Start difference. First operand 172 states and 185 transitions. Second operand 4 states. [2018-04-09 23:00:25,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:25,759 INFO L93 Difference]: Finished difference Result 228 states and 243 transitions. [2018-04-09 23:00:25,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 23:00:25,759 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2018-04-09 23:00:25,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:25,761 INFO L225 Difference]: With dead ends: 228 [2018-04-09 23:00:25,761 INFO L226 Difference]: Without dead ends: 223 [2018-04-09 23:00:25,761 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 [2018-04-09 23:00:25,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-04-09 23:00:25,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 167. [2018-04-09 23:00:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-04-09 23:00:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 180 transitions. [2018-04-09 23:00:25,769 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 180 transitions. Word has length 34 [2018-04-09 23:00:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:25,769 INFO L459 AbstractCegarLoop]: Abstraction has 167 states and 180 transitions. [2018-04-09 23:00:25,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-09 23:00:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2018-04-09 23:00:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-09 23:00:25,770 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:25,770 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] [2018-04-09 23:00:25,770 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]=== [2018-04-09 23:00:25,770 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 [2018-04-09 23:00:25,778 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:25,803 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:25,807 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 [2018-04-09 23:00:25,807 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,813 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:25,813 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-09 23:00:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:25,822 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:25,891 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:25,891 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-09 23:00:25,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-09 23:00:25,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-09 23:00:25,892 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-09 23:00:25,892 INFO L87 Difference]: Start difference. First operand 167 states and 180 transitions. Second operand 6 states. [2018-04-09 23:00:26,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:26,063 INFO L93 Difference]: Finished difference Result 249 states and 270 transitions. [2018-04-09 23:00:26,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-09 23:00:26,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-04-09 23:00:26,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:26,064 INFO L225 Difference]: With dead ends: 249 [2018-04-09 23:00:26,065 INFO L226 Difference]: Without dead ends: 244 [2018-04-09 23:00:26,065 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 [2018-04-09 23:00:26,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-04-09 23:00:26,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 162. [2018-04-09 23:00:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-09 23:00:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 175 transitions. [2018-04-09 23:00:26,071 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 175 transitions. Word has length 34 [2018-04-09 23:00:26,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:26,072 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 175 transitions. [2018-04-09 23:00:26,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-09 23:00:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 175 transitions. [2018-04-09 23:00:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-09 23:00:26,073 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:26,073 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] [2018-04-09 23:00:26,073 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]=== [2018-04-09 23:00:26,073 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 [2018-04-09 23:00:26,080 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:26,100 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:26,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,106 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,107 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 [2018-04-09 23:00:26,108 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,112 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. [2018-04-09 23:00:26,112 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:15 [2018-04-09 23:00:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:26,173 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:26,235 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:26,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-09 23:00:26,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-09 23:00:26,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-09 23:00:26,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-09 23:00:26,236 INFO L87 Difference]: Start difference. First operand 162 states and 175 transitions. Second operand 7 states. [2018-04-09 23:00:26,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:26,516 INFO L93 Difference]: Finished difference Result 225 states and 235 transitions. [2018-04-09 23:00:26,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-09 23:00:26,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-04-09 23:00:26,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:26,542 INFO L225 Difference]: With dead ends: 225 [2018-04-09 23:00:26,542 INFO L226 Difference]: Without dead ends: 222 [2018-04-09 23:00:26,542 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 [2018-04-09 23:00:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-04-09 23:00:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 171. [2018-04-09 23:00:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-04-09 23:00:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 188 transitions. [2018-04-09 23:00:26,552 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 188 transitions. Word has length 35 [2018-04-09 23:00:26,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:26,553 INFO L459 AbstractCegarLoop]: Abstraction has 171 states and 188 transitions. [2018-04-09 23:00:26,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-09 23:00:26,553 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 188 transitions. [2018-04-09 23:00:26,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-09 23:00:26,554 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:26,554 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] [2018-04-09 23:00:26,554 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]=== [2018-04-09 23:00:26,555 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 [2018-04-09 23:00:26,567 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:26,598 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:26,652 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,654 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 [2018-04-09 23:00:26,655 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,682 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,683 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,684 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 [2018-04-09 23:00:26,684 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,705 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. [2018-04-09 23:00:26,705 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:30 [2018-04-09 23:00:26,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,735 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,738 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 [2018-04-09 23:00:26,739 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:26,765 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 [2018-04-09 23:00:26,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,777 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. [2018-04-09 23:00:26,777 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:33 [2018-04-09 23:00:26,793 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 [2018-04-09 23:00:26,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-09 23:00:26,796 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,797 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,808 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. [2018-04-09 23:00:26,808 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:44, output treesize:45 [2018-04-09 23:00:26,843 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 [2018-04-09 23:00:26,859 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 [2018-04-09 23:00:26,860 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:26,917 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. [2018-04-09 23:00:26,918 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:52, output treesize:33 [2018-04-09 23:00:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:27,019 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:27,150 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:27,150 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 5 variables, input treesize:48, output treesize:1 [2018-04-09 23:00:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:27,176 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:27,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10, 6] imperfect sequences [] total 15 [2018-04-09 23:00:27,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-09 23:00:27,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-09 23:00:27,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2018-04-09 23:00:27,177 INFO L87 Difference]: Start difference. First operand 171 states and 188 transitions. Second operand 16 states. [2018-04-09 23:00:28,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:28,196 INFO L93 Difference]: Finished difference Result 333 states and 358 transitions. [2018-04-09 23:00:28,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-09 23:00:28,197 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 35 [2018-04-09 23:00:28,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:28,198 INFO L225 Difference]: With dead ends: 333 [2018-04-09 23:00:28,199 INFO L226 Difference]: Without dead ends: 325 [2018-04-09 23:00:28,199 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=316, Invalid=738, Unknown=2, NotChecked=0, Total=1056 [2018-04-09 23:00:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-04-09 23:00:28,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 228. [2018-04-09 23:00:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-09 23:00:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 261 transitions. [2018-04-09 23:00:28,220 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 261 transitions. Word has length 35 [2018-04-09 23:00:28,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:28,221 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 261 transitions. [2018-04-09 23:00:28,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-09 23:00:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 261 transitions. [2018-04-09 23:00:28,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-09 23:00:28,222 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:28,222 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] [2018-04-09 23:00:28,222 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]=== [2018-04-09 23:00:28,222 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 [2018-04-09 23:00:28,231 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:28,259 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:28,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:28,299 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:28,352 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:28,352 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2018-04-09 23:00:28,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-09 23:00:28,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-09 23:00:28,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-09 23:00:28,353 INFO L87 Difference]: Start difference. First operand 228 states and 261 transitions. Second operand 5 states. [2018-04-09 23:00:28,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:28,451 INFO L93 Difference]: Finished difference Result 339 states and 384 transitions. [2018-04-09 23:00:28,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-09 23:00:28,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2018-04-09 23:00:28,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:28,455 INFO L225 Difference]: With dead ends: 339 [2018-04-09 23:00:28,455 INFO L226 Difference]: Without dead ends: 336 [2018-04-09 23:00:28,455 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 [2018-04-09 23:00:28,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-04-09 23:00:28,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 228. [2018-04-09 23:00:28,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-09 23:00:28,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 259 transitions. [2018-04-09 23:00:28,469 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 259 transitions. Word has length 36 [2018-04-09 23:00:28,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:28,469 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 259 transitions. [2018-04-09 23:00:28,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-09 23:00:28,469 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 259 transitions. [2018-04-09 23:00:28,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-09 23:00:28,470 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:28,470 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] [2018-04-09 23:00:28,471 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]=== [2018-04-09 23:00:28,471 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 [2018-04-09 23:00:28,477 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:28,502 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:28,522 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 [2018-04-09 23:00:28,524 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 [2018-04-09 23:00:28,524 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,545 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 [2018-04-09 23:00:28,546 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 [2018-04-09 23:00:28,546 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,547 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,552 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,552 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-04-09 23:00:28,564 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,564 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,565 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 [2018-04-09 23:00:28,565 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,570 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,570 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2018-04-09 23:00:28,583 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 [2018-04-09 23:00:28,585 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,586 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 [2018-04-09 23:00:28,586 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,590 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,601 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 [2018-04-09 23:00:28,603 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,605 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 [2018-04-09 23:00:28,605 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,609 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,617 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,617 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:35 [2018-04-09 23:00:28,660 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,663 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 [2018-04-09 23:00:28,665 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 [2018-04-09 23:00:28,666 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,671 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,683 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,686 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 [2018-04-09 23:00:28,688 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 [2018-04-09 23:00:28,689 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,693 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,702 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,702 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:68, output treesize:64 [2018-04-09 23:00:28,725 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,726 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,726 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 [2018-04-09 23:00:28,726 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,736 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,736 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:63 [2018-04-09 23:00:28,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,764 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 [2018-04-09 23:00:28,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,769 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-09 23:00:28,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,779 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,799 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 [2018-04-09 23:00:28,802 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,803 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 [2018-04-09 23:00:28,803 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,809 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,822 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:28,823 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:85, output treesize:67 [2018-04-09 23:00:28,952 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:28,968 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 [2018-04-09 23:00:28,971 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 [2018-04-09 23:00:28,972 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,016 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,025 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 [2018-04-09 23:00:29,026 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 23:00:29,054 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:29,088 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 [2018-04-09 23:00:29,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,092 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 [2018-04-09 23:00:29,092 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,109 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,112 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,128 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 [2018-04-09 23:00:29,132 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 [2018-04-09 23:00:29,133 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,195 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,225 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. [2018-04-09 23:00:29,226 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:105, output treesize:183 [2018-04-09 23:00:29,308 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 [2018-04-09 23:00:29,316 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,317 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 [2018-04-09 23:00:29,318 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,416 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,433 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 [2018-04-09 23:00:29,435 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-09 23:00:29,496 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:29,607 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 [2018-04-09 23:00:29,614 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,614 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 [2018-04-09 23:00:29,615 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,665 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 [2018-04-09 23:00:29,665 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,694 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,699 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 [2018-04-09 23:00:29,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,702 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 [2018-04-09 23:00:29,703 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,715 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,789 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 [2018-04-09 23:00:29,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,792 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,793 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,793 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 [2018-04-09 23:00:29,794 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,813 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,876 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 [2018-04-09 23:00:29,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:29,882 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 [2018-04-09 23:00:29,882 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,897 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:29,946 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. [2018-04-09 23:00:29,947 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:277, output treesize:315 [2018-04-09 23:00:30,241 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 [2018-04-09 23:00:30,245 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 [2018-04-09 23:00:30,246 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 23:00:30,283 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,286 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,295 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 [2018-04-09 23:00:30,297 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-09 23:00:30,347 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,348 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 [2018-04-09 23:00:30,348 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,391 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 [2018-04-09 23:00:30,392 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 23:00:30,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,433 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 [2018-04-09 23:00:30,434 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 23:00:30,473 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: 5 dim-0 vars, and 3 xjuncts. [2018-04-09 23:00:30,531 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 [2018-04-09 23:00:30,533 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 [2018-04-09 23:00:30,534 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,557 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 [2018-04-09 23:00:30,557 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,580 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,581 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 [2018-04-09 23:00:30,581 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,599 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 [2018-04-09 23:00:30,599 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,618 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,619 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 [2018-04-09 23:00:30,619 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,631 INFO L267 ElimStorePlain]: Start of recursive call 8: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,639 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 [2018-04-09 23:00:30,643 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 [2018-04-09 23:00:30,644 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,694 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 [2018-04-09 23:00:30,695 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,732 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,734 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 [2018-04-09 23:00:30,735 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,764 INFO L267 ElimStorePlain]: Start of recursive call 14: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,769 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 [2018-04-09 23:00:30,771 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 [2018-04-09 23:00:30,771 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,783 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,784 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 [2018-04-09 23:00:30,784 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,800 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 [2018-04-09 23:00:30,800 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,806 INFO L267 ElimStorePlain]: Start of recursive call 18: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,844 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 [2018-04-09 23:00:30,846 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,847 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 [2018-04-09 23:00:30,847 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,935 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 [2018-04-09 23:00:30,935 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,942 INFO L267 ElimStorePlain]: Start of recursive call 22: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,975 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 [2018-04-09 23:00:30,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:30,978 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 [2018-04-09 23:00:30,978 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,986 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 [2018-04-09 23:00:30,986 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,989 INFO L267 ElimStorePlain]: Start of recursive call 25: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:30,997 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 9 variables, input treesize:225, output treesize:7 [2018-04-09 23:00:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:31,046 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:31,385 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,385 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,386 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 [2018-04-09 23:00:31,386 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,410 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,411 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,411 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 [2018-04-09 23:00:31,412 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,433 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. [2018-04-09 23:00:31,433 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:111, output treesize:90 [2018-04-09 23:00:31,699 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 [2018-04-09 23:00:31,723 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 [2018-04-09 23:00:31,725 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,727 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 [2018-04-09 23:00:31,727 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,732 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,742 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 [2018-04-09 23:00:31,743 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,744 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,744 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,746 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 [2018-04-09 23:00:31,768 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,770 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,771 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,773 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 [2018-04-09 23:00:31,773 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,778 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,781 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,787 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,804 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 [2018-04-09 23:00:31,826 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 [2018-04-09 23:00:31,829 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,830 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 [2018-04-09 23:00:31,830 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,837 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,847 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 [2018-04-09 23:00:31,849 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,850 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,850 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,852 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 [2018-04-09 23:00:31,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,871 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:31,873 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 [2018-04-09 23:00:31,873 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,878 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,881 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,886 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,900 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:31,900 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 9 variables, input treesize:120, output treesize:10 [2018-04-09 23:00:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:31,960 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:31,960 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [20, 15] imperfect sequences [] total 31 [2018-04-09 23:00:31,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-09 23:00:31,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-09 23:00:31,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=769, Unknown=0, NotChecked=0, Total=930 [2018-04-09 23:00:31,961 INFO L87 Difference]: Start difference. First operand 228 states and 259 transitions. Second operand 31 states. [2018-04-09 23:00:33,307 WARN L151 SmtUtils]: Spent 160ms on a formula simplification. DAG size of input: 114 DAG size of output 93 [2018-04-09 23:00:33,514 WARN L151 SmtUtils]: Spent 166ms on a formula simplification. DAG size of input: 118 DAG size of output 97 [2018-04-09 23:00:33,801 WARN L151 SmtUtils]: Spent 226ms on a formula simplification. DAG size of input: 131 DAG size of output 118 [2018-04-09 23:00:36,281 WARN L151 SmtUtils]: Spent 2223ms on a formula simplification. DAG size of input: 135 DAG size of output 122 [2018-04-09 23:00:38,055 WARN L151 SmtUtils]: Spent 1346ms on a formula simplification. DAG size of input: 124 DAG size of output 115 [2018-04-09 23:00:38,737 WARN L148 SmtUtils]: Spent 594ms on a formula simplification that was a NOOP. DAG size: 64 [2018-04-09 23:00:40,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:40,000 INFO L93 Difference]: Finished difference Result 430 states and 478 transitions. [2018-04-09 23:00:40,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-09 23:00:40,000 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 42 [2018-04-09 23:00:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:40,002 INFO L225 Difference]: With dead ends: 430 [2018-04-09 23:00:40,002 INFO L226 Difference]: Without dead ends: 331 [2018-04-09 23:00:40,003 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=800, Invalid=2982, Unknown=0, NotChecked=0, Total=3782 [2018-04-09 23:00:40,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-04-09 23:00:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 197. [2018-04-09 23:00:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-09 23:00:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 214 transitions. [2018-04-09 23:00:40,015 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 214 transitions. Word has length 42 [2018-04-09 23:00:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:40,015 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 214 transitions. [2018-04-09 23:00:40,015 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-09 23:00:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 214 transitions. [2018-04-09 23:00:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-09 23:00:40,016 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:40,016 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] [2018-04-09 23:00:40,016 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]=== [2018-04-09 23:00:40,017 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-09 23:00:40,026 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:40,064 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:40,091 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,093 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 [2018-04-09 23:00:40,093 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,107 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,108 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,108 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 [2018-04-09 23:00:40,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,120 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. [2018-04-09 23:00:40,120 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:33, output treesize:30 [2018-04-09 23:00:40,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,161 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,164 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 [2018-04-09 23:00:40,164 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,202 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,204 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,205 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 [2018-04-09 23:00:40,206 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,237 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. [2018-04-09 23:00:40,238 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:47, output treesize:48 [2018-04-09 23:00:40,288 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 [2018-04-09 23:00:40,290 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 [2018-04-09 23:00:40,291 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,293 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,322 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. [2018-04-09 23:00:40,323 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:59, output treesize:64 [2018-04-09 23:00:40,362 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 [2018-04-09 23:00:40,364 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 [2018-04-09 23:00:40,365 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,379 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,408 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. [2018-04-09 23:00:40,409 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:71, output treesize:48 [2018-04-09 23:00:40,503 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,504 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,505 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,508 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,509 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,510 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 [2018-04-09 23:00:40,510 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,556 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,557 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,558 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,561 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:40,562 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 [2018-04-09 23:00:40,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:40,602 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. [2018-04-09 23:00:40,602 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:59, output treesize:38 [2018-04-09 23:00:40,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:40,685 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:41,361 INFO L267 ElimStorePlain]: Start of recursive call 1: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:41,362 INFO L202 ElimStorePlain]: Needed 1 recursive calls to eliminate 6 variables, input treesize:76, output treesize:1 [2018-04-09 23:00:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:41,411 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-09 23:00:41,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 7] imperfect sequences [] total 17 [2018-04-09 23:00:41,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-09 23:00:41,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-09 23:00:41,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2018-04-09 23:00:41,412 INFO L87 Difference]: Start difference. First operand 197 states and 214 transitions. Second operand 18 states. [2018-04-09 23:00:42,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:42,694 INFO L93 Difference]: Finished difference Result 316 states and 333 transitions. [2018-04-09 23:00:42,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-09 23:00:42,695 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2018-04-09 23:00:42,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:42,697 INFO L225 Difference]: With dead ends: 316 [2018-04-09 23:00:42,697 INFO L226 Difference]: Without dead ends: 311 [2018-04-09 23:00:42,697 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=376, Invalid=882, Unknown=2, NotChecked=0, Total=1260 [2018-04-09 23:00:42,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-09 23:00:42,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 236. [2018-04-09 23:00:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-04-09 23:00:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 266 transitions. [2018-04-09 23:00:42,720 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 266 transitions. Word has length 47 [2018-04-09 23:00:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:42,720 INFO L459 AbstractCegarLoop]: Abstraction has 236 states and 266 transitions. [2018-04-09 23:00:42,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-09 23:00:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 266 transitions. [2018-04-09 23:00:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-09 23:00:42,721 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:42,722 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] [2018-04-09 23:00:42,722 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]=== [2018-04-09 23:00:42,722 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 [2018-04-09 23:00:42,731 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:42,765 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:42,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:42,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:42,789 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 [2018-04-09 23:00:42,789 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,795 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,795 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2018-04-09 23:00:42,816 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 [2018-04-09 23:00:42,818 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 [2018-04-09 23:00:42,818 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,820 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,825 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,826 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:21, output treesize:14 [2018-04-09 23:00:42,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:42,862 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 [2018-04-09 23:00:42,876 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 [2018-04-09 23:00:42,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,883 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,891 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:34, output treesize:30 [2018-04-09 23:00:42,909 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:42,910 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:42,911 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 [2018-04-09 23:00:42,911 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,918 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,919 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:29 [2018-04-09 23:00:42,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:42,943 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 [2018-04-09 23:00:42,946 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:42,948 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 [2018-04-09 23:00:42,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,956 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,964 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:42,964 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:45, output treesize:38 [2018-04-09 23:00:43,018 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,040 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 [2018-04-09 23:00:43,045 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,060 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 [2018-04-09 23:00:43,061 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 23:00:43,157 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 [2018-04-09 23:00:43,158 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:43,184 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:43,220 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. [2018-04-09 23:00:43,221 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:67, output treesize:107 [2018-04-09 23:00:43,285 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 [2018-04-09 23:00:43,295 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,295 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,296 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,297 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 [2018-04-09 23:00:43,297 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:43,368 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:43,508 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 [2018-04-09 23:00:43,513 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,514 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 [2018-04-09 23:00:43,514 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:43,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,564 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:43,578 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 [2018-04-09 23:00:43,579 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-04-09 23:00:43,604 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:43,627 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. [2018-04-09 23:00:43,628 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:151, output treesize:173 [2018-04-09 23:00:43,981 WARN L151 SmtUtils]: Spent 309ms on a formula simplification. DAG size of input: 54 DAG size of output 41 [2018-04-09 23:00:44,062 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 [2018-04-09 23:00:44,066 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,068 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 [2018-04-09 23:00:44,068 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,085 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,121 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 [2018-04-09 23:00:44,124 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,125 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 [2018-04-09 23:00:44,125 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,134 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,157 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. [2018-04-09 23:00:44,157 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:144, output treesize:136 [2018-04-09 23:00:44,351 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 [2018-04-09 23:00:44,359 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,368 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,379 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 [2018-04-09 23:00:44,380 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-09 23:00:44,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,422 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 [2018-04-09 23:00:44,423 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,425 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,426 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 [2018-04-09 23:00:44,426 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-09 23:00:44,465 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,489 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,489 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 [2018-04-09 23:00:44,490 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,510 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,511 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 [2018-04-09 23:00:44,512 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,520 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,528 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,529 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:150, output treesize:10 [2018-04-09 23:00:44,572 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:44,573 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 [2018-04-09 23:00:44,573 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:44,578 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. [2018-04-09 23:00:44,578 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:16, output treesize:11 [2018-04-09 23:00:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:44,628 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:00:45,156 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 [2018-04-09 23:00:45,156 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:45,165 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 [2018-04-09 23:00:45,166 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:45,171 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. [2018-04-09 23:00:45,171 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:90, output treesize:74 [2018-04-09 23:00:47,985 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:47,985 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:47,986 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 [2018-04-09 23:00:47,986 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,013 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,013 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,014 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 [2018-04-09 23:00:48,014 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,040 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 [2018-04-09 23:00:48,056 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 [2018-04-09 23:00:48,056 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,063 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:48,064 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,066 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 [2018-04-09 23:00:48,094 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 [2018-04-09 23:00:48,096 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,097 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 [2018-04-09 23:00:48,097 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,110 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,110 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,111 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:48,113 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,113 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 [2018-04-09 23:00:48,113 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,127 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:48,141 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 [2018-04-09 23:00:48,143 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,144 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 [2018-04-09 23:00:48,144 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,147 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,148 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 [2018-04-09 23:00:48,150 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,152 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 [2018-04-09 23:00:48,152 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,155 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,161 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:48,170 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:48,193 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 [2018-04-09 23:00:48,210 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 [2018-04-09 23:00:48,210 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:48,222 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 [2018-04-09 23:00:48,249 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 [2018-04-09 23:00:48,252 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,252 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,253 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,256 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 [2018-04-09 23:00:48,256 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,266 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:48,273 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 [2018-04-09 23:00:48,274 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,274 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,276 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:00:48,280 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 [2018-04-09 23:00:48,280 INFO L267 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 2 xjuncts. [2018-04-09 23:00:48,290 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:48,298 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:48,308 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-09 23:00:48,328 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. [2018-04-09 23:00:48,328 INFO L202 ElimStorePlain]: Needed 20 recursive calls to eliminate 12 variables, input treesize:184, output treesize:22 [2018-04-09 23:00:48,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:48,395 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-09 23:00:48,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 18] total 33 [2018-04-09 23:00:48,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-09 23:00:48,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-09 23:00:48,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1001, Unknown=1, NotChecked=0, Total=1122 [2018-04-09 23:00:48,396 INFO L87 Difference]: Start difference. First operand 236 states and 266 transitions. Second operand 34 states. [2018-04-09 23:00:50,615 WARN L151 SmtUtils]: Spent 235ms on a formula simplification. DAG size of input: 101 DAG size of output 89 [2018-04-09 23:00:50,939 WARN L151 SmtUtils]: Spent 124ms on a formula simplification. DAG size of input: 55 DAG size of output 55 [2018-04-09 23:00:53,480 WARN L151 SmtUtils]: Spent 2361ms on a formula simplification. DAG size of input: 100 DAG size of output 86 [2018-04-09 23:00:53,819 WARN L151 SmtUtils]: Spent 277ms on a formula simplification. DAG size of input: 105 DAG size of output 91 [2018-04-09 23:00:54,375 WARN L151 SmtUtils]: Spent 496ms on a formula simplification. DAG size of input: 75 DAG size of output 54 [2018-04-09 23:00:54,844 WARN L151 SmtUtils]: Spent 418ms on a formula simplification. DAG size of input: 70 DAG size of output 49 [2018-04-09 23:00:55,041 WARN L151 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 71 DAG size of output 50 [2018-04-09 23:00:55,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-09 23:00:55,699 INFO L93 Difference]: Finished difference Result 331 states and 347 transitions. [2018-04-09 23:00:55,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-09 23:00:55,699 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 54 [2018-04-09 23:00:55,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-09 23:00:55,701 INFO L225 Difference]: With dead ends: 331 [2018-04-09 23:00:55,701 INFO L226 Difference]: Without dead ends: 330 [2018-04-09 23:00:55,701 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=536, Invalid=3123, Unknown=1, NotChecked=0, Total=3660 [2018-04-09 23:00:55,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-04-09 23:00:55,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 250. [2018-04-09 23:00:55,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-04-09 23:00:55,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2018-04-09 23:00:55,723 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 54 [2018-04-09 23:00:55,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-09 23:00:55,723 INFO L459 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2018-04-09 23:00:55,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-09 23:00:55,723 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2018-04-09 23:00:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-09 23:00:55,724 INFO L347 BasicCegarLoop]: Found error trace [2018-04-09 23:00:55,724 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] [2018-04-09 23:00:55,724 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]=== [2018-04-09 23:00:55,724 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 [2018-04-09 23:00:55,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-09 23:00:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-09 23:00:55,760 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-09 23:00:55,765 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 [2018-04-09 23:00:55,766 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,774 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 [2018-04-09 23:00:55,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,781 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,781 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-09 23:00:55,793 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 [2018-04-09 23:00:55,794 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 [2018-04-09 23:00:55,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,796 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,805 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 [2018-04-09 23:00:55,807 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 [2018-04-09 23:00:55,807 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,809 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,815 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,816 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:39 [2018-04-09 23:00:55,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,853 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 [2018-04-09 23:00:55,854 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 [2018-04-09 23:00:55,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,862 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,884 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 [2018-04-09 23:00:55,886 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 [2018-04-09 23:00:55,886 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,890 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,899 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,899 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:72, output treesize:68 [2018-04-09 23:00:55,917 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,918 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 [2018-04-09 23:00:55,918 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,938 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,939 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 [2018-04-09 23:00:55,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,951 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,951 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:71 [2018-04-09 23:00:55,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,977 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 [2018-04-09 23:00:55,980 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:55,982 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 [2018-04-09 23:00:55,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:55,995 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,020 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 [2018-04-09 23:00:56,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,025 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-09 23:00:56,026 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,033 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,049 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,049 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:93, output treesize:83 [2018-04-09 23:00:56,114 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,115 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,121 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 [2018-04-09 23:00:56,123 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 [2018-04-09 23:00:56,124 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,131 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,151 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,152 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,158 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 [2018-04-09 23:00:56,161 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-09 23:00:56,161 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,178 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,195 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. [2018-04-09 23:00:56,195 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:129, output treesize:121 [2018-04-09 23:00:56,238 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 [2018-04-09 23:00:56,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,248 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 [2018-04-09 23:00:56,249 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,264 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,298 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 [2018-04-09 23:00:56,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,301 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 [2018-04-09 23:00:56,301 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,317 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,333 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. [2018-04-09 23:00:56,334 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:180, output treesize:156 [2018-04-09 23:00:56,477 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 [2018-04-09 23:00:56,481 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,495 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 [2018-04-09 23:00:56,495 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,599 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 [2018-04-09 23:00:56,602 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,602 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 [2018-04-09 23:00:56,602 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,614 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,636 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. [2018-04-09 23:00:56,636 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:182, output treesize:174 [2018-04-09 23:00:56,698 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 [2018-04-09 23:00:56,701 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,702 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 [2018-04-09 23:00:56,703 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 23:00:56,723 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,724 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 [2018-04-09 23:00:56,725 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,741 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 [2018-04-09 23:00:56,741 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,755 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-09 23:00:56,773 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 [2018-04-09 23:00:56,776 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,776 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 [2018-04-09 23:00:56,777 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:00:56,787 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 [2018-04-09 23:00:56,788 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,792 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 [2018-04-09 23:00:56,793 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,794 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:00:56,800 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. [2018-04-09 23:00:56,801 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 6 variables, input treesize:188, output treesize:18 [2018-04-09 23:00:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-09 23:00:56,873 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-09 23:01:01,569 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 [2018-04-09 23:01:01,618 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 [2018-04-09 23:01:01,618 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-09 23:01:01,639 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:01,694 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 [2018-04-09 23:01:02,067 WARN L151 SmtUtils]: Spent 362ms on a formula simplification. DAG size of input: 233 DAG size of output 151 [2018-04-09 23:01:02,069 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 [2018-04-09 23:01:02,072 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:02,073 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 [2018-04-09 23:01:02,074 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-09 23:01:02,086 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:01:02,224 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 [2018-04-09 23:01:02,228 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:02,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:02,240 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 [2018-04-09 23:01:02,241 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-09 23:01:02,291 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:02,292 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:02,292 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 [2018-04-09 23:01:02,293 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-09 23:01:02,336 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-09 23:01:02,495 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 [2018-04-09 23:01:02,497 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:02,498 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 [2018-04-09 23:01:02,498 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-09 23:01:02,509 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-09 23:01:02,672 INFO L682 Elim1Store]: detected equality via solver [2018-04-09 23:01:02,675 INFO L700 Elim1Store]: detected not equals via solver [2018-04-09 23:01:02,688 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 [2018-04-09 23:01:02,703 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) [2018-04-09 23:01:02,706 INFO L168 Benchmark]: Toolchain (without parser) took 41526.22 ms. Allocated memory was 306.7 MB in the beginning and 670.0 MB in the end (delta: 363.3 MB). Free memory was 243.4 MB in the beginning and 452.5 MB in the end (delta: -209.2 MB). Peak memory consumption was 154.2 MB. Max. memory is 5.3 GB. [2018-04-09 23:01:02,707 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 306.7 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-09 23:01:02,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.05 ms. Allocated memory is still 306.7 MB. Free memory was 243.4 MB in the beginning and 214.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 5.3 GB. [2018-04-09 23:01:02,707 INFO L168 Benchmark]: Boogie Preprocessor took 58.36 ms. Allocated memory is still 306.7 MB. Free memory was 214.4 MB in the beginning and 212.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-09 23:01:02,708 INFO L168 Benchmark]: RCFGBuilder took 764.92 ms. Allocated memory was 306.7 MB in the beginning and 472.9 MB in the end (delta: 166.2 MB). Free memory was 211.4 MB in the beginning and 386.2 MB in the end (delta: -174.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. [2018-04-09 23:01:02,708 INFO L168 Benchmark]: TraceAbstraction took 40349.10 ms. Allocated memory was 472.9 MB in the beginning and 670.0 MB in the end (delta: 197.1 MB). Free memory was 386.2 MB in the beginning and 452.5 MB in the end (delta: -66.3 MB). Peak memory consumption was 130.8 MB. Max. memory is 5.3 GB. [2018-04-09 23:01:02,710 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 306.7 MB. Free memory is still 268.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 349.05 ms. Allocated memory is still 306.7 MB. Free memory was 243.4 MB in the beginning and 214.4 MB in the end (delta: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 58.36 ms. Allocated memory is still 306.7 MB. Free memory was 214.4 MB in the beginning and 212.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 764.92 ms. Allocated memory was 306.7 MB in the beginning and 472.9 MB in the end (delta: 166.2 MB). Free memory was 211.4 MB in the beginning and 386.2 MB in the end (delta: -174.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 40349.10 ms. Allocated memory was 472.9 MB in the beginning and 670.0 MB in the end (delta: 197.1 MB). Free memory was 386.2 MB in the beginning and 452.5 MB in the end (delta: -66.3 MB). Peak memory consumption was 130.8 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-0-2018-04-09_23-01-02-716.csv Received shutdown request...