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/dll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-35b68b2 [2018-04-06 22:10:13,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-06 22:10:13,023 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-06 22:10:13,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-06 22:10:13,038 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-06 22:10:13,039 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-06 22:10:13,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-06 22:10:13,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-06 22:10:13,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-06 22:10:13,045 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-06 22:10:13,046 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-06 22:10:13,046 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-06 22:10:13,047 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-06 22:10:13,048 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-06 22:10:13,049 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-06 22:10:13,051 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-06 22:10:13,053 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-06 22:10:13,055 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-06 22:10:13,056 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-06 22:10:13,057 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-06 22:10:13,060 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-06 22:10:13,066 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 [2018-04-06 22:10:13,088 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-06 22:10:13,089 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-06 22:10:13,089 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-06 22:10:13,089 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-06 22:10:13,090 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-06 22:10:13,090 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-06 22:10:13,090 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-06 22:10:13,091 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-06 22:10:13,091 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-06 22:10:13,091 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-06 22:10:13,091 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-06 22:10:13,092 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-06 22:10:13,092 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-06 22:10:13,092 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-06 22:10:13,092 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-06 22:10:13,092 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-06 22:10:13,093 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-06 22:10:13,093 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-06 22:10:13,093 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-06 22:10:13,093 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-06 22:10:13,093 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-06 22:10:13,094 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-06 22:10:13,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-06 22:10:13,094 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-06 22:10:13,094 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-06 22:10:13,094 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-06 22:10:13,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 22:10:13,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-06 22:10:13,095 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-06 22:10:13,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-06 22:10:13,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-06 22:10:13,096 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-06 22:10:13,096 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:13,096 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-06 22:10:13,097 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-06 22:10:13,097 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-06 22:10:13,097 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-06 22:10:13,097 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-06 22:10:13,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-06 22:10:13,143 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-06 22:10:13,147 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-06 22:10:13,148 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-06 22:10:13,149 INFO L276 PluginConnector]: CDTParser initialized [2018-04-06 22:10:13,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,486 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6391009a6 [2018-04-06 22:10:13,668 INFO L287 CDTParser]: IsIndexed: true [2018-04-06 22:10:13,668 INFO L288 CDTParser]: Found 1 translation units. [2018-04-06 22:10:13,668 INFO L168 CDTParser]: Scanning dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,678 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-06 22:10:13,678 INFO L215 ultiparseSymbolTable]: [2018-04-06 22:10:13,678 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-06 22:10:13,679 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,679 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-06 22:10:13,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__register_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__timer_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____nlink_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,679 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_once_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__off_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__idtype_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____mode_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ssize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____intptr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____sig_atomic_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsfilcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,680 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blkcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__id_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__gid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ssize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsword_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_short in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__nlink_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__uint in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____daddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,681 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__mode_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__SLL in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____clock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_short in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutex_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__suseconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_condattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,682 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__dev_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____syscall_slong_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__time_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_int in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____loff_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,683 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____blksize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____qaddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ino_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____useconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,684 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____rlim64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsfilcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ushort in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ldiv_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____time_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__loff_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,685 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__ulong in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_long in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrierattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__sigset_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_char in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__blkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__daddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__blksize_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ino64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____off_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,686 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_long in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____dev_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____caddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fd_set in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__clock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_rwlockattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fd_mask in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____sigset_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____ino_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_spinlock_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__clockid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____clockid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__caddr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____int32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,687 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__div_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__fsblkcnt_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____rlim_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__u_int8_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____uint32_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__uid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__key_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_cond_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__size_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,688 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fd_mask in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____pthread_slist_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____gid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____syscall_ulong_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____id_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__int16_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,689 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__wchar_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____timer_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____socklen_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__lldiv_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_attr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_barrier_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i__pthread_mutexattr_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____pid_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____quad_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,690 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____fsblkcnt64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,691 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____u_char in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,691 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____off64_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,691 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fdll_token_true_unreach_call_true_valid_memsafety_i____suseconds_t in dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:13,707 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG6391009a6 [2018-04-06 22:10:13,712 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-06 22:10:13,714 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-06 22:10:13,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-06 22:10:13,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-06 22:10:13,722 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-06 22:10:13,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 10:10:13" (1/1) ... [2018-04-06 22:10:13,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60430825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:13, skipping insertion in model container [2018-04-06 22:10:13,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 10:10:13" (1/1) ... [2018-04-06 22:10:13,742 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 22:10:13,775 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-06 22:10:13,941 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 22:10:13,996 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-06 22:10:14,004 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 115 non ball SCCs. Number of states in SCCs 115. [2018-04-06 22:10:14,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14 WrapperNode [2018-04-06 22:10:14,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-06 22:10:14,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-06 22:10:14,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-06 22:10:14,051 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-06 22:10:14,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... [2018-04-06 22:10:14,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... [2018-04-06 22:10:14,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... [2018-04-06 22:10:14,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... [2018-04-06 22:10:14,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... [2018-04-06 22:10:14,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... [2018-04-06 22:10:14,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... [2018-04-06 22:10:14,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-06 22:10:14,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-06 22:10:14,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-06 22:10:14,110 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-06 22:10:14,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-06 22:10:14,229 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-06 22:10:14,230 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-06 22:10:14,230 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-06 22:10:14,230 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-06 22:10:14,230 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-06 22:10:14,230 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-06 22:10:14,230 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-06 22:10:14,230 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-06 22:10:14,230 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-06 22:10:14,231 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-06 22:10:14,232 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-06 22:10:14,233 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-06 22:10:14,234 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure aligned_alloc [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure at_quick_exit [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure quick_exit [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-06 22:10:14,235 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-06 22:10:14,236 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-06 22:10:14,237 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-06 22:10:14,238 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-06 22:10:14,239 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-06 22:10:14,240 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-06 22:10:14,241 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-06 22:10:14,241 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-06 22:10:14,241 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-06 22:10:14,241 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-06 22:10:14,241 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-06 22:10:14,241 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-06 22:10:14,827 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-06 22:10:14,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 10:10:14 BoogieIcfgContainer [2018-04-06 22:10:14,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-06 22:10:14,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-06 22:10:14,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-06 22:10:14,830 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-06 22:10:14,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 10:10:13" (1/3) ... [2018-04-06 22:10:14,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3cbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 10:10:14, skipping insertion in model container [2018-04-06 22:10:14,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 10:10:14" (2/3) ... [2018-04-06 22:10:14,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf3cbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 10:10:14, skipping insertion in model container [2018-04-06 22:10:14,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 10:10:14" (3/3) ... [2018-04-06 22:10:14,834 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-token_true-unreach-call_true-valid-memsafety.i [2018-04-06 22:10:14,843 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-06 22:10:14,851 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-04-06 22:10:14,905 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-06 22:10:14,906 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-06 22:10:14,906 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-06 22:10:14,906 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-06 22:10:14,906 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-06 22:10:14,906 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-06 22:10:14,906 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-06 22:10:14,906 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-06 22:10:14,906 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-06 22:10:14,907 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-06 22:10:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-04-06 22:10:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-06 22:10:14,926 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:14,926 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:14,927 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:14,930 INFO L82 PathProgramCache]: Analyzing trace with hash -71447909, 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 [2018-04-06 22:10:14,944 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:14,978 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:15,022 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 [2018-04-06 22:10:15,024 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:15,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:15,030 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 22:10:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:15,044 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:15,084 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:15,085 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 22:10:15,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 22:10:15,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 22:10:15,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 22:10:15,097 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 4 states. [2018-04-06 22:10:15,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:15,337 INFO L93 Difference]: Finished difference Result 345 states and 396 transitions. [2018-04-06 22:10:15,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 22:10:15,338 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-04-06 22:10:15,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:15,352 INFO L225 Difference]: With dead ends: 345 [2018-04-06 22:10:15,352 INFO L226 Difference]: Without dead ends: 181 [2018-04-06 22:10:15,358 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 [2018-04-06 22:10:15,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-04-06 22:10:15,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 148. [2018-04-06 22:10:15,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-04-06 22:10:15,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 150 transitions. [2018-04-06 22:10:15,409 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 150 transitions. Word has length 9 [2018-04-06 22:10:15,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:15,410 INFO L459 AbstractCegarLoop]: Abstraction has 148 states and 150 transitions. [2018-04-06 22:10:15,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 22:10:15,410 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 150 transitions. [2018-04-06 22:10:15,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-04-06 22:10:15,411 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:15,411 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:15,411 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:15,411 INFO L82 PathProgramCache]: Analyzing trace with hash -71447908, 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 [2018-04-06 22:10:15,420 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:15,432 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:15,443 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 [2018-04-06 22:10:15,443 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:15,446 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:15,447 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 22:10:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:15,461 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:15,502 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:15,502 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-06 22:10:15,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-06 22:10:15,503 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-06 22:10:15,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-06 22:10:15,504 INFO L87 Difference]: Start difference. First operand 148 states and 150 transitions. Second operand 6 states. [2018-04-06 22:10:15,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:15,706 INFO L93 Difference]: Finished difference Result 180 states and 182 transitions. [2018-04-06 22:10:15,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-06 22:10:15,707 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2018-04-06 22:10:15,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:15,709 INFO L225 Difference]: With dead ends: 180 [2018-04-06 22:10:15,709 INFO L226 Difference]: Without dead ends: 177 [2018-04-06 22:10:15,710 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-06 22:10:15,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-04-06 22:10:15,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 145. [2018-04-06 22:10:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-04-06 22:10:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 147 transitions. [2018-04-06 22:10:15,723 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 147 transitions. Word has length 9 [2018-04-06 22:10:15,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:15,723 INFO L459 AbstractCegarLoop]: Abstraction has 145 states and 147 transitions. [2018-04-06 22:10:15,723 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-06 22:10:15,723 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 147 transitions. [2018-04-06 22:10:15,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-06 22:10:15,724 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:15,724 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:15,725 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:15,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1118342126, 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 [2018-04-06 22:10:15,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:15,747 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:15,775 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:15,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:15,802 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:15,802 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 22:10:15,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 22:10:15,803 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 22:10:15,803 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 22:10:15,803 INFO L87 Difference]: Start difference. First operand 145 states and 147 transitions. Second operand 4 states. [2018-04-06 22:10:15,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:15,968 INFO L93 Difference]: Finished difference Result 170 states and 175 transitions. [2018-04-06 22:10:15,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 22:10:15,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-06 22:10:15,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:15,970 INFO L225 Difference]: With dead ends: 170 [2018-04-06 22:10:15,971 INFO L226 Difference]: Without dead ends: 153 [2018-04-06 22:10:15,972 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 22:10:15,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-04-06 22:10:15,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 134. [2018-04-06 22:10:15,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-04-06 22:10:15,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 138 transitions. [2018-04-06 22:10:15,982 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 138 transitions. Word has length 17 [2018-04-06 22:10:15,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:15,982 INFO L459 AbstractCegarLoop]: Abstraction has 134 states and 138 transitions. [2018-04-06 22:10:15,983 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 22:10:15,983 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 138 transitions. [2018-04-06 22:10:15,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-06 22:10:15,983 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:15,983 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:15,984 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:15,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1118342125, 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 [2018-04-06 22:10:15,997 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:16,015 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:16,049 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:16,091 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:16,091 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-06 22:10:16,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-06 22:10:16,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-06 22:10:16,092 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-06 22:10:16,092 INFO L87 Difference]: Start difference. First operand 134 states and 138 transitions. Second operand 4 states. [2018-04-06 22:10:16,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:16,295 INFO L93 Difference]: Finished difference Result 168 states and 174 transitions. [2018-04-06 22:10:16,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 22:10:16,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2018-04-06 22:10:16,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:16,297 INFO L225 Difference]: With dead ends: 168 [2018-04-06 22:10:16,297 INFO L226 Difference]: Without dead ends: 164 [2018-04-06 22:10:16,297 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-06 22:10:16,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-04-06 22:10:16,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2018-04-06 22:10:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-04-06 22:10:16,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 134 transitions. [2018-04-06 22:10:16,308 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 134 transitions. Word has length 17 [2018-04-06 22:10:16,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:16,308 INFO L459 AbstractCegarLoop]: Abstraction has 130 states and 134 transitions. [2018-04-06 22:10:16,308 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-06 22:10:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2018-04-06 22:10:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-06 22:10:16,309 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:16,309 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:16,309 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:16,310 INFO L82 PathProgramCache]: Analyzing trace with hash -308776553, 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 [2018-04-06 22:10:16,325 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:16,339 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:16,362 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:16,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-06 22:10:16,364 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,374 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:16,375 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:16,376 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 [2018-04-06 22:10:16,376 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,384 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. [2018-04-06 22:10:16,385 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:27, output treesize:20 [2018-04-06 22:10:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:16,398 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:16,541 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:16,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-06 22:10:16,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 22:10:16,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 22:10:16,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-06 22:10:16,542 INFO L87 Difference]: Start difference. First operand 130 states and 134 transitions. Second operand 8 states. [2018-04-06 22:10:16,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:16,803 INFO L93 Difference]: Finished difference Result 203 states and 212 transitions. [2018-04-06 22:10:16,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 22:10:16,803 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2018-04-06 22:10:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:16,805 INFO L225 Difference]: With dead ends: 203 [2018-04-06 22:10:16,805 INFO L226 Difference]: Without dead ends: 193 [2018-04-06 22:10:16,805 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-04-06 22:10:16,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-04-06 22:10:16,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 162. [2018-04-06 22:10:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-04-06 22:10:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2018-04-06 22:10:16,815 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 18 [2018-04-06 22:10:16,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:16,815 INFO L459 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2018-04-06 22:10:16,815 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 22:10:16,816 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2018-04-06 22:10:16,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 22:10:16,816 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:16,817 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] [2018-04-06 22:10:16,817 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:16,817 INFO L82 PathProgramCache]: Analyzing trace with hash -381524903, 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 [2018-04-06 22:10:16,824 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:16,840 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:16,853 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 [2018-04-06 22:10:16,854 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,855 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,855 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 22:10:16,862 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 [2018-04-06 22:10:16,864 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 [2018-04-06 22:10:16,865 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,866 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,868 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,869 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-06 22:10:16,874 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 [2018-04-06 22:10:16,876 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 [2018-04-06 22:10:16,876 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,878 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:16,878 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-06 22:10:16,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:16,882 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:16,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:16,905 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:16,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-06 22:10:16,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-06 22:10:16,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-06 22:10:16,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-06 22:10:16,906 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 5 states. [2018-04-06 22:10:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:17,108 INFO L93 Difference]: Finished difference Result 251 states and 262 transitions. [2018-04-06 22:10:17,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 22:10:17,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-04-06 22:10:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:17,110 INFO L225 Difference]: With dead ends: 251 [2018-04-06 22:10:17,110 INFO L226 Difference]: Without dead ends: 250 [2018-04-06 22:10:17,111 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-06 22:10:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-04-06 22:10:17,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 161. [2018-04-06 22:10:17,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-04-06 22:10:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 168 transitions. [2018-04-06 22:10:17,119 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 168 transitions. Word has length 20 [2018-04-06 22:10:17,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:17,119 INFO L459 AbstractCegarLoop]: Abstraction has 161 states and 168 transitions. [2018-04-06 22:10:17,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-06 22:10:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 168 transitions. [2018-04-06 22:10:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-06 22:10:17,120 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:17,120 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] [2018-04-06 22:10:17,120 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:17,120 INFO L82 PathProgramCache]: Analyzing trace with hash -381524902, 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 [2018-04-06 22:10:17,128 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:17,140 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:17,144 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 [2018-04-06 22:10:17,144 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,149 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,149 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 22:10:17,158 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 [2018-04-06 22:10:17,168 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 [2018-04-06 22:10:17,169 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,171 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,177 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-06 22:10:17,178 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 [2018-04-06 22:10:17,178 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,180 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,184 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-06 22:10:17,191 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 [2018-04-06 22:10:17,193 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 [2018-04-06 22:10:17,193 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,194 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,199 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 [2018-04-06 22:10:17,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-06 22:10:17,202 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,203 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,205 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,205 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-06 22:10:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:17,211 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:17,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:17,261 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:17,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-06 22:10:17,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 22:10:17,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 22:10:17,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-06 22:10:17,262 INFO L87 Difference]: Start difference. First operand 161 states and 168 transitions. Second operand 8 states. [2018-04-06 22:10:17,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:17,506 INFO L93 Difference]: Finished difference Result 275 states and 287 transitions. [2018-04-06 22:10:17,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 22:10:17,507 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 20 [2018-04-06 22:10:17,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:17,508 INFO L225 Difference]: With dead ends: 275 [2018-04-06 22:10:17,508 INFO L226 Difference]: Without dead ends: 274 [2018-04-06 22:10:17,508 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-04-06 22:10:17,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-04-06 22:10:17,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 160. [2018-04-06 22:10:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-04-06 22:10:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 167 transitions. [2018-04-06 22:10:17,515 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 167 transitions. Word has length 20 [2018-04-06 22:10:17,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:17,516 INFO L459 AbstractCegarLoop]: Abstraction has 160 states and 167 transitions. [2018-04-06 22:10:17,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 22:10:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 167 transitions. [2018-04-06 22:10:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-06 22:10:17,516 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:17,516 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:17,516 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:17,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1651582506, 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 [2018-04-06 22:10:17,522 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:17,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:17,538 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:17,542 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 [2018-04-06 22:10:17,542 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,543 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,543 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-06 22:10:17,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-04-06 22:10:17,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-04-06 22:10:17,558 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,560 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,563 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,563 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:9 [2018-04-06 22:10:17,568 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 [2018-04-06 22:10:17,570 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 [2018-04-06 22:10:17,570 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,572 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,573 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,573 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-06 22:10:17,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:17,577 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:17,604 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:17,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2018-04-06 22:10:17,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-06 22:10:17,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-06 22:10:17,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-06 22:10:17,605 INFO L87 Difference]: Start difference. First operand 160 states and 167 transitions. Second operand 5 states. [2018-04-06 22:10:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:17,748 INFO L93 Difference]: Finished difference Result 172 states and 178 transitions. [2018-04-06 22:10:17,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-06 22:10:17,749 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-04-06 22:10:17,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:17,749 INFO L225 Difference]: With dead ends: 172 [2018-04-06 22:10:17,750 INFO L226 Difference]: Without dead ends: 171 [2018-04-06 22:10:17,750 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-06 22:10:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-06 22:10:17,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 159. [2018-04-06 22:10:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-04-06 22:10:17,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 166 transitions. [2018-04-06 22:10:17,758 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 166 transitions. Word has length 21 [2018-04-06 22:10:17,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:17,759 INFO L459 AbstractCegarLoop]: Abstraction has 159 states and 166 transitions. [2018-04-06 22:10:17,759 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-06 22:10:17,759 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 166 transitions. [2018-04-06 22:10:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-06 22:10:17,759 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:17,759 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:17,759 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:17,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1651582505, 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 [2018-04-06 22:10:17,769 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:17,791 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:17,796 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-06 22:10:17,797 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,801 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,801 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-06 22:10:17,811 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 [2018-04-06 22:10:17,813 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 [2018-04-06 22:10:17,813 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,815 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,822 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-06 22:10:17,824 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 [2018-04-06 22:10:17,825 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,826 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,831 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,831 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:28, output treesize:17 [2018-04-06 22:10:17,840 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 [2018-04-06 22:10:17,848 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 [2018-04-06 22:10:17,858 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,875 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,914 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 [2018-04-06 22:10:17,916 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 [2018-04-06 22:10:17,917 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,918 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,921 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:17,921 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:31, output treesize:9 [2018-04-06 22:10:17,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:17,928 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:17,988 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:17,988 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2018-04-06 22:10:17,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 22:10:17,988 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 22:10:17,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-06 22:10:17,989 INFO L87 Difference]: Start difference. First operand 159 states and 166 transitions. Second operand 8 states. [2018-04-06 22:10:18,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:18,189 INFO L93 Difference]: Finished difference Result 159 states and 166 transitions. [2018-04-06 22:10:18,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-06 22:10:18,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2018-04-06 22:10:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:18,191 INFO L225 Difference]: With dead ends: 159 [2018-04-06 22:10:18,191 INFO L226 Difference]: Without dead ends: 158 [2018-04-06 22:10:18,191 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2018-04-06 22:10:18,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-04-06 22:10:18,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-04-06 22:10:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-04-06 22:10:18,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2018-04-06 22:10:18,197 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 21 [2018-04-06 22:10:18,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:18,198 INFO L459 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2018-04-06 22:10:18,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 22:10:18,198 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2018-04-06 22:10:18,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-06 22:10:18,198 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:18,199 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] [2018-04-06 22:10:18,199 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:18,199 INFO L82 PathProgramCache]: Analyzing trace with hash 850958401, 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 [2018-04-06 22:10:18,205 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:18,220 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:18,247 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:18,248 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:18,248 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 [2018-04-06 22:10:18,249 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,253 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,253 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-04-06 22:10:18,261 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-06 22:10:18,264 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 [2018-04-06 22:10:18,264 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,266 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,271 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,271 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-06 22:10:18,293 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 39 treesize of output 35 [2018-04-06 22:10:18,295 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 [2018-04-06 22:10:18,295 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,299 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,304 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 1 xjuncts. [2018-04-06 22:10:18,304 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-06 22:10:18,319 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 38 treesize of output 26 [2018-04-06 22:10:18,324 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-04-06 22:10:18,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,330 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 [2018-04-06 22:10:18,331 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,335 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,339 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. [2018-04-06 22:10:18,339 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:43, output treesize:15 [2018-04-06 22:10:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:18,347 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:18,406 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:18,406 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 5] imperfect sequences [] total 11 [2018-04-06 22:10:18,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-06 22:10:18,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-06 22:10:18,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-04-06 22:10:18,407 INFO L87 Difference]: Start difference. First operand 158 states and 165 transitions. Second operand 12 states. [2018-04-06 22:10:18,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:18,716 INFO L93 Difference]: Finished difference Result 170 states and 176 transitions. [2018-04-06 22:10:18,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 22:10:18,717 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-04-06 22:10:18,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:18,718 INFO L225 Difference]: With dead ends: 170 [2018-04-06 22:10:18,718 INFO L226 Difference]: Without dead ends: 169 [2018-04-06 22:10:18,718 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2018-04-06 22:10:18,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-04-06 22:10:18,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 157. [2018-04-06 22:10:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-06 22:10:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 164 transitions. [2018-04-06 22:10:18,724 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 164 transitions. Word has length 24 [2018-04-06 22:10:18,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:18,724 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 164 transitions. [2018-04-06 22:10:18,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-06 22:10:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 164 transitions. [2018-04-06 22:10:18,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-06 22:10:18,725 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:18,725 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] [2018-04-06 22:10:18,725 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:18,726 INFO L82 PathProgramCache]: Analyzing trace with hash 850958402, 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 [2018-04-06 22:10:18,734 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:18,754 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:18,766 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:18,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:18,768 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 [2018-04-06 22:10:18,768 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-06 22:10:18,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,779 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,779 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-06 22:10:18,792 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 [2018-04-06 22:10:18,810 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 [2018-04-06 22:10:18,811 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,825 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 [2018-04-06 22:10:18,827 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 [2018-04-06 22:10:18,827 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,829 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,835 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,835 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2018-04-06 22:10:18,862 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 [2018-04-06 22:10:18,866 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 [2018-04-06 22:10:18,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,871 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,890 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 52 treesize of output 48 [2018-04-06 22:10:18,893 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 [2018-04-06 22:10:18,893 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,898 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,906 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. [2018-04-06 22:10:18,906 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-04-06 22:10:18,932 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 51 treesize of output 37 [2018-04-06 22:10:18,935 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 7 treesize of output 1 [2018-04-06 22:10:18,935 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-04-06 22:10:18,961 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,975 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-06 22:10:18,977 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 [2018-04-06 22:10:18,978 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,982 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 [2018-04-06 22:10:18,983 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,984 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,997 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:18,997 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:65, output treesize:9 [2018-04-06 22:10:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:19,008 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:19,107 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 67 treesize of output 61 [2018-04-06 22:10:19,130 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 [2018-04-06 22:10:19,130 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,135 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 50 treesize of output 46 [2018-04-06 22:10:19,137 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 46 treesize of output 37 [2018-04-06 22:10:19,137 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,139 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,140 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,146 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 37 treesize of output 31 [2018-04-06 22:10:19,160 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 [2018-04-06 22:10:19,160 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,174 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 20 treesize of output 16 [2018-04-06 22:10:19,177 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 16 treesize of output 7 [2018-04-06 22:10:19,177 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,179 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-06 22:10:19,184 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-06 22:10:19,185 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,188 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,199 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-06 22:10:19,218 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 35 treesize of output 29 [2018-04-06 22:10:19,231 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 [2018-04-06 22:10:19,231 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-06 22:10:19,276 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-06 22:10:19,277 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,280 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,281 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-06 22:10:19,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-04-06 22:10:19,286 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,288 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,298 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-06 22:10:19,323 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-06 22:10:19,323 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 7 variables, input treesize:103, output treesize:37 [2018-04-06 22:10:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:19,370 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:19,371 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2018-04-06 22:10:19,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 22:10:19,371 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 22:10:19,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2018-04-06 22:10:19,371 INFO L87 Difference]: Start difference. First operand 157 states and 164 transitions. Second operand 14 states. [2018-04-06 22:10:19,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:19,679 INFO L93 Difference]: Finished difference Result 157 states and 164 transitions. [2018-04-06 22:10:19,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-06 22:10:19,679 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-04-06 22:10:19,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:19,680 INFO L225 Difference]: With dead ends: 157 [2018-04-06 22:10:19,680 INFO L226 Difference]: Without dead ends: 156 [2018-04-06 22:10:19,680 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-04-06 22:10:19,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-04-06 22:10:19,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-04-06 22:10:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-04-06 22:10:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 163 transitions. [2018-04-06 22:10:19,688 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 163 transitions. Word has length 24 [2018-04-06 22:10:19,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:19,688 INFO L459 AbstractCegarLoop]: Abstraction has 156 states and 163 transitions. [2018-04-06 22:10:19,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 22:10:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 163 transitions. [2018-04-06 22:10:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-06 22:10:19,689 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:19,689 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:19,689 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:19,690 INFO L82 PathProgramCache]: Analyzing trace with hash -856658605, 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 [2018-04-06 22:10:19,696 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:19,715 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:19,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:19,741 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:19,741 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 [2018-04-06 22:10:19,742 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,748 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,749 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2018-04-06 22:10:19,762 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 [2018-04-06 22:10:19,764 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 [2018-04-06 22:10:19,765 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,767 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,774 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,774 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2018-04-06 22:10:19,806 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 39 treesize of output 35 [2018-04-06 22:10:19,808 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 [2018-04-06 22:10:19,809 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,817 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,822 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 1 xjuncts. [2018-04-06 22:10:19,823 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:44, output treesize:36 [2018-04-06 22:10:19,843 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 38 treesize of output 26 [2018-04-06 22:10:19,845 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 10 [2018-04-06 22:10:19,845 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,850 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 [2018-04-06 22:10:19,850 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:19,862 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. [2018-04-06 22:10:19,862 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:43, output treesize:15 [2018-04-06 22:10:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:19,886 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:19,964 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:19,964 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 6] imperfect sequences [] total 13 [2018-04-06 22:10:19,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 22:10:19,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 22:10:19,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2018-04-06 22:10:19,965 INFO L87 Difference]: Start difference. First operand 156 states and 163 transitions. Second operand 14 states. [2018-04-06 22:10:20,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:20,540 INFO L93 Difference]: Finished difference Result 253 states and 261 transitions. [2018-04-06 22:10:20,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-06 22:10:20,541 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2018-04-06 22:10:20,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:20,542 INFO L225 Difference]: With dead ends: 253 [2018-04-06 22:10:20,542 INFO L226 Difference]: Without dead ends: 252 [2018-04-06 22:10:20,543 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2018-04-06 22:10:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-04-06 22:10:20,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 155. [2018-04-06 22:10:20,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-04-06 22:10:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 162 transitions. [2018-04-06 22:10:20,553 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 162 transitions. Word has length 25 [2018-04-06 22:10:20,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:20,553 INFO L459 AbstractCegarLoop]: Abstraction has 155 states and 162 transitions. [2018-04-06 22:10:20,553 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 22:10:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 162 transitions. [2018-04-06 22:10:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-06 22:10:20,554 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:20,554 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] [2018-04-06 22:10:20,555 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:20,555 INFO L82 PathProgramCache]: Analyzing trace with hash -856658604, 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 [2018-04-06 22:10:20,561 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:20,575 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:20,583 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 [2018-04-06 22:10:20,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,592 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:20,593 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:20,593 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 [2018-04-06 22:10:20,593 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,597 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,597 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2018-04-06 22:10:20,607 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 [2018-04-06 22:10:20,609 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 [2018-04-06 22:10:20,609 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,610 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,618 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 [2018-04-06 22:10:20,619 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 [2018-04-06 22:10:20,619 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,621 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,625 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:32, output treesize:25 [2018-04-06 22:10:20,646 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 [2018-04-06 22:10:20,647 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 [2018-04-06 22:10:20,648 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,651 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,661 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 52 treesize of output 48 [2018-04-06 22:10:20,663 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 [2018-04-06 22:10:20,663 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,668 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,674 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. [2018-04-06 22:10:20,674 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:67, output treesize:51 [2018-04-06 22:10:20,690 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 51 treesize of output 37 [2018-04-06 22:10:20,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 19 [2018-04-06 22:10:20,692 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-06 22:10:20,699 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,703 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,710 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 24 treesize of output 22 [2018-04-06 22:10:20,712 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 [2018-04-06 22:10:20,712 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,716 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 3 [2018-04-06 22:10:20,717 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,718 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,721 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,721 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:65, output treesize:9 [2018-04-06 22:10:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:20,738 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:20,851 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 67 treesize of output 61 [2018-04-06 22:10:20,873 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 [2018-04-06 22:10:20,873 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,878 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 50 treesize of output 46 [2018-04-06 22:10:20,880 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 46 treesize of output 37 [2018-04-06 22:10:20,881 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,882 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,884 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,891 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 37 treesize of output 31 [2018-04-06 22:10:20,906 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 [2018-04-06 22:10:20,906 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,921 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 20 treesize of output 16 [2018-04-06 22:10:20,925 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 16 treesize of output 7 [2018-04-06 22:10:20,926 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,929 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,931 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-06 22:10:20,934 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-06 22:10:20,934 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,937 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,947 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-06 22:10:20,965 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 35 treesize of output 29 [2018-04-06 22:10:20,977 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 [2018-04-06 22:10:20,977 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,988 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-06 22:10:20,990 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 5 [2018-04-06 22:10:20,990 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,991 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-06 22:10:20,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-06 22:10:20,994 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:20,996 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,005 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-06 22:10:21,030 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-06 22:10:21,030 INFO L202 ElimStorePlain]: Needed 17 recursive calls to eliminate 7 variables, input treesize:103, output treesize:37 [2018-04-06 22:10:21,067 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-06 22:10:21,068 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,068 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,068 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:1 [2018-04-06 22:10:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:21,097 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:21,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-06 22:10:21,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-06 22:10:21,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-06 22:10:21,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-04-06 22:10:21,098 INFO L87 Difference]: Start difference. First operand 155 states and 162 transitions. Second operand 18 states. [2018-04-06 22:10:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:21,680 INFO L93 Difference]: Finished difference Result 174 states and 179 transitions. [2018-04-06 22:10:21,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-06 22:10:21,680 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 25 [2018-04-06 22:10:21,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:21,681 INFO L225 Difference]: With dead ends: 174 [2018-04-06 22:10:21,681 INFO L226 Difference]: Without dead ends: 171 [2018-04-06 22:10:21,682 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=334, Invalid=926, Unknown=0, NotChecked=0, Total=1260 [2018-04-06 22:10:21,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-04-06 22:10:21,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 142. [2018-04-06 22:10:21,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-04-06 22:10:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 148 transitions. [2018-04-06 22:10:21,691 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 148 transitions. Word has length 25 [2018-04-06 22:10:21,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:21,691 INFO L459 AbstractCegarLoop]: Abstraction has 142 states and 148 transitions. [2018-04-06 22:10:21,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-06 22:10:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 148 transitions. [2018-04-06 22:10:21,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-06 22:10:21,692 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:21,692 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] [2018-04-06 22:10:21,692 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:21,693 INFO L82 PathProgramCache]: Analyzing trace with hash 2083654693, 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 [2018-04-06 22:10:21,701 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:21,716 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:21,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:21,741 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 [2018-04-06 22:10:21,741 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:21,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:21,750 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 [2018-04-06 22:10:21,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,756 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:30, output treesize:23 [2018-04-06 22:10:21,768 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 [2018-04-06 22:10:21,769 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 [2018-04-06 22:10:21,769 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,771 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,778 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,778 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:34 [2018-04-06 22:10:21,793 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2018-04-06 22:10:21,795 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2018-04-06 22:10:21,796 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 22:10:21,799 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 22:10:21,807 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 1 xjuncts. [2018-04-06 22:10:21,807 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:31, output treesize:18 [2018-04-06 22:10:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:21,832 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:21,906 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:21,906 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:21,906 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 23 treesize of output 14 [2018-04-06 22:10:21,907 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,927 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:21,927 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:21,928 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2018-04-06 22:10:21,928 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,929 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:21,929 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:21,930 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 28 treesize of output 19 [2018-04-06 22:10:21,930 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2018-04-06 22:10:21,945 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2018-04-06 22:10:21,961 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:21,966 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2018-04-06 22:10:21,966 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:21,977 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 4 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 22:10:21,977 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:52, output treesize:12 [2018-04-06 22:10:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:22,039 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:22,039 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2018-04-06 22:10:22,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-06 22:10:22,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-06 22:10:22,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2018-04-06 22:10:22,040 INFO L87 Difference]: Start difference. First operand 142 states and 148 transitions. Second operand 18 states. [2018-04-06 22:10:22,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:22,601 INFO L93 Difference]: Finished difference Result 300 states and 308 transitions. [2018-04-06 22:10:22,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-06 22:10:22,602 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 31 [2018-04-06 22:10:22,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:22,603 INFO L225 Difference]: With dead ends: 300 [2018-04-06 22:10:22,603 INFO L226 Difference]: Without dead ends: 296 [2018-04-06 22:10:22,604 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=364, Invalid=758, Unknown=0, NotChecked=0, Total=1122 [2018-04-06 22:10:22,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-04-06 22:10:22,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 224. [2018-04-06 22:10:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-04-06 22:10:22,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 240 transitions. [2018-04-06 22:10:22,613 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 240 transitions. Word has length 31 [2018-04-06 22:10:22,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:22,613 INFO L459 AbstractCegarLoop]: Abstraction has 224 states and 240 transitions. [2018-04-06 22:10:22,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-06 22:10:22,613 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 240 transitions. [2018-04-06 22:10:22,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-06 22:10:22,614 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:22,615 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:22,615 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:22,615 INFO L82 PathProgramCache]: Analyzing trace with hash 86982863, 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 [2018-04-06 22:10:22,633 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:22,651 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:22,675 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 [2018-04-06 22:10:22,676 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 [2018-04-06 22:10:22,676 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:22,677 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:22,678 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:22,678 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-06 22:10:22,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:22,689 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:22,692 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-04-06 22:10:22,692 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:22,693 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:22,693 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-06 22:10:22,698 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-04-06 22:10:22,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-06 22:10:22,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:22,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-06 22:10:22,706 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:22,708 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:22,710 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:22,710 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-06 22:10:22,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:22,743 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:22,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-06 22:10:22,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 22:10:22,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 22:10:22,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-06 22:10:22,743 INFO L87 Difference]: Start difference. First operand 224 states and 240 transitions. Second operand 8 states. [2018-04-06 22:10:23,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:23,061 INFO L93 Difference]: Finished difference Result 265 states and 272 transitions. [2018-04-06 22:10:23,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-06 22:10:23,061 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2018-04-06 22:10:23,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:23,062 INFO L225 Difference]: With dead ends: 265 [2018-04-06 22:10:23,062 INFO L226 Difference]: Without dead ends: 264 [2018-04-06 22:10:23,063 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-04-06 22:10:23,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-04-06 22:10:23,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 228. [2018-04-06 22:10:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-06 22:10:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 245 transitions. [2018-04-06 22:10:23,072 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 245 transitions. Word has length 43 [2018-04-06 22:10:23,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:23,073 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 245 transitions. [2018-04-06 22:10:23,073 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 22:10:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 245 transitions. [2018-04-06 22:10:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-06 22:10:23,074 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:23,074 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:23,074 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:23,074 INFO L82 PathProgramCache]: Analyzing trace with hash 86982864, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:23,083 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:23,103 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:23,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-06 22:10:23,141 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-04-06 22:10:23,141 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,143 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,149 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 28 treesize of output 22 [2018-04-06 22:10:23,150 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 22 treesize of output 13 [2018-04-06 22:10:23,151 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,153 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,156 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,156 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-04-06 22:10:23,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:23,176 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:23,183 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-06 22:10:23,184 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2018-04-06 22:10:23,200 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:23,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 22:10:23,210 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2018-04-06 22:10:23,235 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2018-04-06 22:10:23,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2018-04-06 22:10:23,237 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,249 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 16 [2018-04-06 22:10:23,250 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,256 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:23,270 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-06 22:10:23,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-06 22:10:23,271 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,272 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,273 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2018-04-06 22:10:23,274 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2018-04-06 22:10:23,274 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,277 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,288 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:23,289 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 4 variables, input treesize:64, output treesize:7 [2018-04-06 22:10:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:23,322 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:23,322 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2018-04-06 22:10:23,322 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 22:10:23,323 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 22:10:23,323 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-06 22:10:23,323 INFO L87 Difference]: Start difference. First operand 228 states and 245 transitions. Second operand 9 states. [2018-04-06 22:10:23,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:23,789 INFO L93 Difference]: Finished difference Result 299 states and 305 transitions. [2018-04-06 22:10:23,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-06 22:10:23,789 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-04-06 22:10:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:23,791 INFO L225 Difference]: With dead ends: 299 [2018-04-06 22:10:23,791 INFO L226 Difference]: Without dead ends: 298 [2018-04-06 22:10:23,791 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-04-06 22:10:23,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-04-06 22:10:23,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 228. [2018-04-06 22:10:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-04-06 22:10:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 244 transitions. [2018-04-06 22:10:23,805 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 244 transitions. Word has length 43 [2018-04-06 22:10:23,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:23,806 INFO L459 AbstractCegarLoop]: Abstraction has 228 states and 244 transitions. [2018-04-06 22:10:23,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 22:10:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 244 transitions. [2018-04-06 22:10:23,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-06 22:10:23,806 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:23,807 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:23,807 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:23,807 INFO L82 PathProgramCache]: Analyzing trace with hash 519364688, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:23,817 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:23,843 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:23,865 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 [2018-04-06 22:10:23,867 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 [2018-04-06 22:10:23,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,879 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,879 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-06 22:10:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:23,891 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:23,895 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-04-06 22:10:23,895 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,896 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,897 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-06 22:10:23,902 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-04-06 22:10:23,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-06 22:10:23,903 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,909 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-06 22:10:23,909 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:23,912 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:23,914 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:23,914 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-06 22:10:23,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:23,951 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 22:10:23,951 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2018-04-06 22:10:23,951 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 22:10:23,951 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 22:10:23,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-06 22:10:23,952 INFO L87 Difference]: Start difference. First operand 228 states and 244 transitions. Second operand 8 states. [2018-04-06 22:10:24,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:24,270 INFO L93 Difference]: Finished difference Result 268 states and 275 transitions. [2018-04-06 22:10:24,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-06 22:10:24,297 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2018-04-06 22:10:24,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:24,298 INFO L225 Difference]: With dead ends: 268 [2018-04-06 22:10:24,298 INFO L226 Difference]: Without dead ends: 267 [2018-04-06 22:10:24,298 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-04-06 22:10:24,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-04-06 22:10:24,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 232. [2018-04-06 22:10:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-06 22:10:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 249 transitions. [2018-04-06 22:10:24,307 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 249 transitions. Word has length 43 [2018-04-06 22:10:24,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:24,307 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 249 transitions. [2018-04-06 22:10:24,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 22:10:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 249 transitions. [2018-04-06 22:10:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-06 22:10:24,308 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:24,308 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:24,308 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:24,308 INFO L82 PathProgramCache]: Analyzing trace with hash 519364689, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:24,320 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:24,339 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:24,558 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2018-04-06 22:10:24,560 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2018-04-06 22:10:24,560 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,562 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,604 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 28 treesize of output 22 [2018-04-06 22:10:24,606 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 22 treesize of output 13 [2018-04-06 22:10:24,606 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,633 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,655 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,655 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:39, output treesize:13 [2018-04-06 22:10:24,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:24,761 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:24,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-06 22:10:24,767 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 34 [2018-04-06 22:10:24,821 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:24,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 22:10:24,841 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:55, output treesize:47 [2018-04-06 22:10:24,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2018-04-06 22:10:24,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-04-06 22:10:24,888 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-06 22:10:24,896 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,902 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:24,902 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:24,903 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-04-06 22:10:24,903 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:24,910 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:24,924 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:24,925 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:64, output treesize:7 [2018-04-06 22:10:24,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:24,968 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 22:10:24,969 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-04-06 22:10:24,969 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-06 22:10:24,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-06 22:10:24,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-06 22:10:24,970 INFO L87 Difference]: Start difference. First operand 232 states and 249 transitions. Second operand 9 states. [2018-04-06 22:10:25,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:25,325 INFO L93 Difference]: Finished difference Result 302 states and 308 transitions. [2018-04-06 22:10:25,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-06 22:10:25,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2018-04-06 22:10:25,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:25,327 INFO L225 Difference]: With dead ends: 302 [2018-04-06 22:10:25,327 INFO L226 Difference]: Without dead ends: 301 [2018-04-06 22:10:25,328 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-04-06 22:10:25,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-04-06 22:10:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 232. [2018-04-06 22:10:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-04-06 22:10:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 248 transitions. [2018-04-06 22:10:25,343 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 248 transitions. Word has length 43 [2018-04-06 22:10:25,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:25,343 INFO L459 AbstractCegarLoop]: Abstraction has 232 states and 248 transitions. [2018-04-06 22:10:25,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-06 22:10:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 248 transitions. [2018-04-06 22:10:25,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-06 22:10:25,344 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:25,344 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] [2018-04-06 22:10:25,344 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:25,344 INFO L82 PathProgramCache]: Analyzing trace with hash -1183318758, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:25,356 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:25,384 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:25,399 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 25 treesize of output 18 [2018-04-06 22:10:25,401 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 [2018-04-06 22:10:25,401 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,404 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,405 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,406 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2018-04-06 22:10:25,422 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 25 treesize of output 21 [2018-04-06 22:10:25,424 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 21 treesize of output 13 [2018-04-06 22:10:25,424 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,426 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-06 22:10:25,443 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-04-06 22:10:25,444 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,446 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,454 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,455 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:32, output treesize:9 [2018-04-06 22:10:25,477 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-06 22:10:25,478 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-06 22:10:25,478 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,479 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,480 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,480 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-06 22:10:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:25,492 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:25,552 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 26 treesize of output 20 [2018-04-06 22:10:25,554 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 12 treesize of output 1 [2018-04-06 22:10:25,554 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,555 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,556 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 26 treesize of output 20 [2018-04-06 22:10:25,558 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 12 treesize of output 1 [2018-04-06 22:10:25,558 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,559 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,561 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:25,561 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:28, output treesize:15 [2018-04-06 22:10:25,570 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-04-06 22:10:25,572 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-06 22:10:25,572 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,576 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-06 22:10:25,577 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:25,582 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:25,587 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:25,587 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:23, output treesize:7 [2018-04-06 22:10:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:25,625 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 22:10:25,625 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2018-04-06 22:10:25,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 22:10:25,626 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 22:10:25,626 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-06 22:10:25,626 INFO L87 Difference]: Start difference. First operand 232 states and 248 transitions. Second operand 14 states. [2018-04-06 22:10:26,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:26,068 INFO L93 Difference]: Finished difference Result 387 states and 397 transitions. [2018-04-06 22:10:26,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-06 22:10:26,068 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-04-06 22:10:26,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:26,069 INFO L225 Difference]: With dead ends: 387 [2018-04-06 22:10:26,069 INFO L226 Difference]: Without dead ends: 311 [2018-04-06 22:10:26,070 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=446, Unknown=0, NotChecked=0, Total=552 [2018-04-06 22:10:26,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-04-06 22:10:26,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 233. [2018-04-06 22:10:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-04-06 22:10:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 249 transitions. [2018-04-06 22:10:26,078 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 249 transitions. Word has length 51 [2018-04-06 22:10:26,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:26,079 INFO L459 AbstractCegarLoop]: Abstraction has 233 states and 249 transitions. [2018-04-06 22:10:26,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 22:10:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 249 transitions. [2018-04-06 22:10:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-06 22:10:26,079 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:26,079 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:26,079 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:26,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1495568858, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:26,096 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:26,127 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:26,153 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 25 treesize of output 18 [2018-04-06 22:10:26,155 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 [2018-04-06 22:10:26,155 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,157 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,158 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,158 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:25, output treesize:17 [2018-04-06 22:10:26,171 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 25 treesize of output 21 [2018-04-06 22:10:26,172 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 21 treesize of output 13 [2018-04-06 22:10:26,172 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,174 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2018-04-06 22:10:26,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2018-04-06 22:10:26,179 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,181 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,182 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,182 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:32, output treesize:9 [2018-04-06 22:10:26,197 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2018-04-06 22:10:26,198 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 3 [2018-04-06 22:10:26,198 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,199 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,200 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,200 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2018-04-06 22:10:26,210 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:26,210 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:26,297 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 20 [2018-04-06 22:10:26,299 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-04-06 22:10:26,299 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,300 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,302 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 26 treesize of output 20 [2018-04-06 22:10:26,303 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2018-04-06 22:10:26,303 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,304 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,307 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:26,307 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:28, output treesize:15 [2018-04-06 22:10:26,315 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-04-06 22:10:26,317 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-06 22:10:26,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,325 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-06 22:10:26,325 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,331 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:26,337 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:26,337 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:23, output treesize:7 [2018-04-06 22:10:26,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:26,364 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 22:10:26,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2018-04-06 22:10:26,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-06 22:10:26,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-06 22:10:26,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-04-06 22:10:26,364 INFO L87 Difference]: Start difference. First operand 233 states and 249 transitions. Second operand 14 states. [2018-04-06 22:10:26,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:26,716 INFO L93 Difference]: Finished difference Result 364 states and 373 transitions. [2018-04-06 22:10:26,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-06 22:10:26,716 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 51 [2018-04-06 22:10:26,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:26,717 INFO L225 Difference]: With dead ends: 364 [2018-04-06 22:10:26,717 INFO L226 Difference]: Without dead ends: 261 [2018-04-06 22:10:26,718 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2018-04-06 22:10:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-04-06 22:10:26,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 198. [2018-04-06 22:10:26,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-04-06 22:10:26,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 206 transitions. [2018-04-06 22:10:26,726 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 206 transitions. Word has length 51 [2018-04-06 22:10:26,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:26,726 INFO L459 AbstractCegarLoop]: Abstraction has 198 states and 206 transitions. [2018-04-06 22:10:26,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-06 22:10:26,726 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 206 transitions. [2018-04-06 22:10:26,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-06 22:10:26,727 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:26,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:26,727 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:26,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1024196680, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:26,744 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:26,769 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:26,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:26,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:26,789 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 [2018-04-06 22:10:26,789 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,794 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,794 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-06 22:10:26,804 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-06 22:10:26,805 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 [2018-04-06 22:10:26,805 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,806 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,813 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 [2018-04-06 22:10:26,817 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 [2018-04-06 22:10:26,817 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,822 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,827 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,827 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:33, output treesize:22 [2018-04-06 22:10:26,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2018-04-06 22:10:26,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 4 [2018-04-06 22:10:26,837 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,838 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,841 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,842 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:26, output treesize:15 [2018-04-06 22:10:26,851 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 22 [2018-04-06 22:10:26,853 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 [2018-04-06 22:10:26,853 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,856 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 22:10:26,860 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:21 [2018-04-06 22:10:26,899 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 27 treesize of output 23 [2018-04-06 22:10:26,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2018-04-06 22:10:26,901 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,903 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,905 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:26,906 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:3 [2018-04-06 22:10:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:26,920 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:27,090 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2018-04-06 22:10:27,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-04-06 22:10:27,109 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,126 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 17 [2018-04-06 22:10:27,127 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-04-06 22:10:27,128 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,130 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,136 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 20 [2018-04-06 22:10:27,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2018-04-06 22:10:27,138 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 12 [2018-04-06 22:10:27,148 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:27,154 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 10 treesize of output 3 [2018-04-06 22:10:27,154 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,157 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 22:10:27,167 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-06 22:10:27,190 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 7 xjuncts. [2018-04-06 22:10:27,190 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:33, output treesize:39 [2018-04-06 22:10:27,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:27,231 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:27,232 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 16 treesize of output 7 [2018-04-06 22:10:27,232 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,242 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:27,243 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:27,243 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 16 treesize of output 7 [2018-04-06 22:10:27,243 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,253 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:27,253 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:27,253 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 16 treesize of output 7 [2018-04-06 22:10:27,254 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,261 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 22:10:27,261 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:49, output treesize:14 [2018-04-06 22:10:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:27,288 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:27,288 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 15 [2018-04-06 22:10:27,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-06 22:10:27,289 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-06 22:10:27,289 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-04-06 22:10:27,289 INFO L87 Difference]: Start difference. First operand 198 states and 206 transitions. Second operand 16 states. [2018-04-06 22:10:27,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:27,843 INFO L93 Difference]: Finished difference Result 261 states and 265 transitions. [2018-04-06 22:10:27,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-06 22:10:27,843 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 58 [2018-04-06 22:10:27,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:27,844 INFO L225 Difference]: With dead ends: 261 [2018-04-06 22:10:27,845 INFO L226 Difference]: Without dead ends: 260 [2018-04-06 22:10:27,845 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 100 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2018-04-06 22:10:27,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-04-06 22:10:27,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 198. [2018-04-06 22:10:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-04-06 22:10:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 205 transitions. [2018-04-06 22:10:27,856 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 205 transitions. Word has length 58 [2018-04-06 22:10:27,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:27,857 INFO L459 AbstractCegarLoop]: Abstraction has 198 states and 205 transitions. [2018-04-06 22:10:27,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-06 22:10:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 205 transitions. [2018-04-06 22:10:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-06 22:10:27,858 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:27,858 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-06 22:10:27,858 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1685326305, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:27,868 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:27,897 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:27,937 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 [2018-04-06 22:10:27,938 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 [2018-04-06 22:10:27,939 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,940 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,941 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,942 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:17, output treesize:5 [2018-04-06 22:10:27,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:27,954 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:27,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2018-04-06 22:10:27,958 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,960 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,960 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:7 [2018-04-06 22:10:27,967 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 16 [2018-04-06 22:10:27,969 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2018-04-06 22:10:27,970 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,977 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 7 [2018-04-06 22:10:27,978 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:27,992 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:27,996 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:27,996 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2018-04-06 22:10:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:28,037 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-06 22:10:28,038 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 7 [2018-04-06 22:10:28,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-06 22:10:28,038 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-06 22:10:28,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-04-06 22:10:28,039 INFO L87 Difference]: Start difference. First operand 198 states and 205 transitions. Second operand 8 states. [2018-04-06 22:10:28,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:28,371 INFO L93 Difference]: Finished difference Result 255 states and 262 transitions. [2018-04-06 22:10:28,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-06 22:10:28,371 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2018-04-06 22:10:28,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:28,373 INFO L225 Difference]: With dead ends: 255 [2018-04-06 22:10:28,373 INFO L226 Difference]: Without dead ends: 254 [2018-04-06 22:10:28,373 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-04-06 22:10:28,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-04-06 22:10:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 218. [2018-04-06 22:10:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-04-06 22:10:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 228 transitions. [2018-04-06 22:10:28,385 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 228 transitions. Word has length 59 [2018-04-06 22:10:28,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:28,385 INFO L459 AbstractCegarLoop]: Abstraction has 218 states and 228 transitions. [2018-04-06 22:10:28,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-06 22:10:28,385 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 228 transitions. [2018-04-06 22:10:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-06 22:10:28,386 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:28,386 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, 1, 1, 1, 1, 1] [2018-04-06 22:10:28,386 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:28,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1110382372, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:28,397 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:28,426 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:28,448 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:28,449 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:28,450 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 [2018-04-06 22:10:28,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,453 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,453 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-06 22:10:28,461 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 [2018-04-06 22:10:28,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-06 22:10:28,462 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,464 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,469 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,469 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:20 [2018-04-06 22:10:28,504 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 30 treesize of output 34 [2018-04-06 22:10:28,506 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 [2018-04-06 22:10:28,506 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,512 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,529 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 1 xjuncts. [2018-04-06 22:10:28,529 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:33 [2018-04-06 22:10:28,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:28,612 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:28,613 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 [2018-04-06 22:10:28,613 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,620 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. [2018-04-06 22:10:28,620 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:39, output treesize:33 [2018-04-06 22:10:28,647 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 40 treesize of output 35 [2018-04-06 22:10:28,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-06 22:10:28,700 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:28,716 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:28,742 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 2 xjuncts. [2018-04-06 22:10:28,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:60 [2018-04-06 22:10:28,878 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 63 treesize of output 67 [2018-04-06 22:10:28,882 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 68 treesize of output 67 [2018-04-06 22:10:28,883 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:28,917 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 22:10:28,917 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:51 [2018-04-06 22:10:28,979 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 58 treesize of output 47 [2018-04-06 22:10:28,982 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 31 [2018-04-06 22:10:28,982 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:29,048 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 24 [2018-04-06 22:10:29,049 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:29,082 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:29,085 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:29,085 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:58, output treesize:5 [2018-04-06 22:10:29,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:29,118 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:29,192 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 42 treesize of output 37 [2018-04-06 22:10:29,193 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:29,194 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-06 22:10:29,194 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:42, output treesize:33 [2018-04-06 22:10:32,119 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,120 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,120 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 3 [2018-04-06 22:10:32,120 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,129 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 317 treesize of output 167 [2018-04-06 22:10:32,156 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 [2018-04-06 22:10:32,156 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,176 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 106 treesize of output 82 [2018-04-06 22:10:32,180 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 80 treesize of output 79 [2018-04-06 22:10:32,180 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,208 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 67 treesize of output 56 [2018-04-06 22:10:32,208 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,235 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 56 treesize of output 45 [2018-04-06 22:10:32,269 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 4 case distinctions, treesize of input 24 treesize of output 39 [2018-04-06 22:10:32,269 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 4 xjuncts. [2018-04-06 22:10:32,301 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2018-04-06 22:10:32,304 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,304 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,305 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 27 treesize of output 21 [2018-04-06 22:10:32,305 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,318 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,320 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 27 [2018-04-06 22:10:32,324 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,337 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2018-04-06 22:10:32,338 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,346 INFO L267 ElimStorePlain]: Start of recursive call 10: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,352 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2018-04-06 22:10:32,361 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2018-04-06 22:10:32,361 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,376 INFO L267 ElimStorePlain]: Start of recursive call 14: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,381 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2018-04-06 22:10:32,384 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-04-06 22:10:32,384 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,397 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,397 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,398 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 22 treesize of output 16 [2018-04-06 22:10:32,398 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,411 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,412 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,416 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 29 [2018-04-06 22:10:32,416 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,429 INFO L267 ElimStorePlain]: Start of recursive call 16: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,435 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 34 [2018-04-06 22:10:32,437 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,438 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,438 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,439 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 29 treesize of output 20 [2018-04-06 22:10:32,439 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2018-04-06 22:10:32,452 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:32,463 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,464 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,465 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,469 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 31 [2018-04-06 22:10:32,469 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,484 INFO L267 ElimStorePlain]: Start of recursive call 20: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,511 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 10 xjuncts. [2018-04-06 22:10:32,617 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 76 treesize of output 64 [2018-04-06 22:10:32,700 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 2 case distinctions, treesize of input 43 treesize of output 51 [2018-04-06 22:10:32,701 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,711 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 53 [2018-04-06 22:10:32,712 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:32,802 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:32,813 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 4 case distinctions, treesize of input 40 treesize of output 53 [2018-04-06 22:10:32,814 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 4 xjuncts. [2018-04-06 22:10:32,818 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:32,828 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 4 case distinctions, treesize of input 42 treesize of output 55 [2018-04-06 22:10:32,829 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 4 xjuncts. [2018-04-06 22:10:32,975 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 2 case distinctions, treesize of input 44 treesize of output 50 [2018-04-06 22:10:32,978 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,979 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:32,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-04-06 22:10:32,979 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,023 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,025 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 47 [2018-04-06 22:10:33,044 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 3 xjuncts. [2018-04-06 22:10:33,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-04-06 22:10:33,100 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,142 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 24 treesize of output 18 [2018-04-06 22:10:33,143 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,187 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,188 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,190 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,190 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 52 [2018-04-06 22:10:33,202 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 5 xjuncts. [2018-04-06 22:10:33,263 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 37 treesize of output 30 [2018-04-06 22:10:33,263 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,306 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 21 treesize of output 15 [2018-04-06 22:10:33,306 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,339 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,339 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:33,340 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 24 treesize of output 18 [2018-04-06 22:10:33,340 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,355 INFO L267 ElimStorePlain]: Start of recursive call 29: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:33,365 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 50 [2018-04-06 22:10:33,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2018-04-06 22:10:33,373 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:33,427 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 37 [2018-04-06 22:10:33,428 INFO L267 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 3 xjuncts. [2018-04-06 22:10:33,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2018-04-06 22:10:33,485 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,536 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 27 treesize of output 21 [2018-04-06 22:10:33,537 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,538 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2018-04-06 22:10:33,539 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-06 22:10:33,592 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,642 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 27 treesize of output 21 [2018-04-06 22:10:33,643 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,690 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 37 treesize of output 30 [2018-04-06 22:10:33,691 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,732 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 27 treesize of output 21 [2018-04-06 22:10:33,733 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,761 INFO L267 ElimStorePlain]: Start of recursive call 38: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-06 22:10:33,772 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 2 case distinctions, treesize of input 40 treesize of output 48 [2018-04-06 22:10:33,774 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2018-04-06 22:10:33,774 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,810 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 31 treesize of output 25 [2018-04-06 22:10:33,810 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,853 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 35 [2018-04-06 22:10:33,854 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 3 xjuncts. [2018-04-06 22:10:33,897 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 25 treesize of output 19 [2018-04-06 22:10:33,897 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,935 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-04-06 22:10:33,936 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:33,976 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 27 [2018-04-06 22:10:33,976 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,008 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 32 treesize of output 25 [2018-04-06 22:10:34,009 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,034 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 22 treesize of output 16 [2018-04-06 22:10:34,034 INFO L267 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,047 INFO L267 ElimStorePlain]: Start of recursive call 48: 8 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,058 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 52 [2018-04-06 22:10:34,061 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,061 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,062 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 42 treesize of output 36 [2018-04-06 22:10:34,062 INFO L267 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,102 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,103 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,105 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,106 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,117 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 1 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 54 [2018-04-06 22:10:34,118 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 5 xjuncts. [2018-04-06 22:10:34,182 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-04-06 22:10:34,182 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,232 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-06 22:10:34,233 INFO L267 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,282 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2018-04-06 22:10:34,282 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,329 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,331 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,338 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2018-04-06 22:10:34,339 INFO L267 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 3 xjuncts. [2018-04-06 22:10:34,411 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 32 [2018-04-06 22:10:34,412 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,458 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,459 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,459 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 29 treesize of output 23 [2018-04-06 22:10:34,459 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,490 INFO L267 ElimStorePlain]: Start of recursive call 57: 8 dim-1 vars, End of recursive call: and 4 xjuncts. [2018-04-06 22:10:34,636 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 1 case distinctions, treesize of input 37 treesize of output 39 [2018-04-06 22:10:34,638 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,639 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,640 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 34 treesize of output 28 [2018-04-06 22:10:34,640 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,659 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-06 22:10:34,660 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,675 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,676 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,680 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 36 [2018-04-06 22:10:34,681 INFO L267 ElimStorePlain]: Start of recursive call 69: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,698 INFO L267 ElimStorePlain]: Start of recursive call 66: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,703 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 39 [2018-04-06 22:10:34,705 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2018-04-06 22:10:34,706 INFO L267 ElimStorePlain]: Start of recursive call 71: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,724 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 29 treesize of output 23 [2018-04-06 22:10:34,725 INFO L267 ElimStorePlain]: Start of recursive call 72: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 31 [2018-04-06 22:10:34,746 INFO L267 ElimStorePlain]: Start of recursive call 73: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,756 INFO L267 ElimStorePlain]: Start of recursive call 70: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2018-04-06 22:10:34,763 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,764 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,764 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 30 [2018-04-06 22:10:34,764 INFO L267 ElimStorePlain]: Start of recursive call 75: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,785 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-04-06 22:10:34,785 INFO L267 ElimStorePlain]: Start of recursive call 76: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,801 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,802 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,806 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 38 [2018-04-06 22:10:34,807 INFO L267 ElimStorePlain]: Start of recursive call 77: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,824 INFO L267 ElimStorePlain]: Start of recursive call 74: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,830 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 1 case distinctions, treesize of input 41 treesize of output 41 [2018-04-06 22:10:34,832 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,833 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,833 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,837 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 38 [2018-04-06 22:10:34,838 INFO L267 ElimStorePlain]: Start of recursive call 79: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,863 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2018-04-06 22:10:34,863 INFO L267 ElimStorePlain]: Start of recursive call 80: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,879 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,880 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,881 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,881 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 31 treesize of output 22 [2018-04-06 22:10:34,881 INFO L267 ElimStorePlain]: Start of recursive call 81: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,897 INFO L267 ElimStorePlain]: Start of recursive call 78: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,902 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 1 case distinctions, treesize of input 33 treesize of output 37 [2018-04-06 22:10:34,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2018-04-06 22:10:34,905 INFO L267 ElimStorePlain]: Start of recursive call 83: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,922 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 27 treesize of output 21 [2018-04-06 22:10:34,922 INFO L267 ElimStorePlain]: Start of recursive call 84: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,942 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2018-04-06 22:10:34,942 INFO L267 ElimStorePlain]: Start of recursive call 85: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:34,952 INFO L267 ElimStorePlain]: Start of recursive call 82: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,958 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 41 [2018-04-06 22:10:34,960 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,961 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,961 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 30 [2018-04-06 22:10:34,962 INFO L267 ElimStorePlain]: Start of recursive call 87: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:34,991 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,992 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:34,996 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 36 [2018-04-06 22:10:34,996 INFO L267 ElimStorePlain]: Start of recursive call 88: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:35,016 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2018-04-06 22:10:35,016 INFO L267 ElimStorePlain]: Start of recursive call 89: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:35,032 INFO L267 ElimStorePlain]: Start of recursive call 86: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:35,037 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 1 case distinctions, treesize of input 37 treesize of output 39 [2018-04-06 22:10:35,039 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,040 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,040 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 34 treesize of output 28 [2018-04-06 22:10:35,041 INFO L267 ElimStorePlain]: Start of recursive call 91: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:35,059 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,060 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,063 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 34 [2018-04-06 22:10:35,064 INFO L267 ElimStorePlain]: Start of recursive call 92: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:35,082 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-04-06 22:10:35,082 INFO L267 ElimStorePlain]: Start of recursive call 93: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:35,096 INFO L267 ElimStorePlain]: Start of recursive call 90: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:35,102 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 43 [2018-04-06 22:10:35,105 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,107 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,108 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,108 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 38 treesize of output 29 [2018-04-06 22:10:35,109 INFO L267 ElimStorePlain]: Start of recursive call 95: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:35,135 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2018-04-06 22:10:35,136 INFO L267 ElimStorePlain]: Start of recursive call 96: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:35,151 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,153 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,153 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:35,157 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 40 [2018-04-06 22:10:35,158 INFO L267 ElimStorePlain]: Start of recursive call 97: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:35,177 INFO L267 ElimStorePlain]: Start of recursive call 94: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:35,282 INFO L267 ElimStorePlain]: Start of recursive call 24: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-06 22:10:35,360 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-06 22:10:35,394 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 8 xjuncts. [2018-04-06 22:10:35,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2018-04-06 22:10:35,432 INFO L202 ElimStorePlain]: Needed 97 recursive calls to eliminate 6 variables, input treesize:330, output treesize:18 [2018-04-06 22:10:35,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:35,527 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-06 22:10:35,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 28 [2018-04-06 22:10:35,527 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-06 22:10:35,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-06 22:10:35,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=700, Unknown=1, NotChecked=0, Total=812 [2018-04-06 22:10:35,528 INFO L87 Difference]: Start difference. First operand 218 states and 228 transitions. Second operand 29 states. [2018-04-06 22:10:39,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-06 22:10:39,608 INFO L93 Difference]: Finished difference Result 400 states and 418 transitions. [2018-04-06 22:10:39,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-06 22:10:39,609 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 59 [2018-04-06 22:10:39,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-06 22:10:39,610 INFO L225 Difference]: With dead ends: 400 [2018-04-06 22:10:39,611 INFO L226 Difference]: Without dead ends: 399 [2018-04-06 22:10:39,611 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=486, Invalid=2268, Unknown=2, NotChecked=0, Total=2756 [2018-04-06 22:10:39,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-04-06 22:10:39,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 262. [2018-04-06 22:10:39,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-04-06 22:10:39,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 275 transitions. [2018-04-06 22:10:39,622 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 275 transitions. Word has length 59 [2018-04-06 22:10:39,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-06 22:10:39,622 INFO L459 AbstractCegarLoop]: Abstraction has 262 states and 275 transitions. [2018-04-06 22:10:39,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-06 22:10:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 275 transitions. [2018-04-06 22:10:39,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-06 22:10:39,623 INFO L347 BasicCegarLoop]: Found error trace [2018-04-06 22:10:39,623 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, 1, 1, 1, 1, 1] [2018-04-06 22:10:39,623 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr52AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr44AssertViolationMEMORY_FREE, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr51AssertViolationMEMORY_FREE, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr54EnsuresViolationMEMORY_LEAK, mainErr9RequiresViolation, mainErr53AssertViolationMEMORY_FREE, mainErr45AssertViolationMEMORY_FREE, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr50AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-04-06 22:10:39,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1110382371, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-06 22:10:39,629 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-06 22:10:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-06 22:10:39,656 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-06 22:10:39,665 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,666 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,667 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 [2018-04-06 22:10:39,667 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,675 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,675 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:14 [2018-04-06 22:10:39,696 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 [2018-04-06 22:10:39,697 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 [2018-04-06 22:10:39,698 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,699 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,708 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 [2018-04-06 22:10:39,709 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 [2018-04-06 22:10:39,709 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,711 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,717 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,717 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:38, output treesize:27 [2018-04-06 22:10:39,744 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 [2018-04-06 22:10:39,746 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 [2018-04-06 22:10:39,747 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,751 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,766 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 43 treesize of output 47 [2018-04-06 22:10:39,768 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 [2018-04-06 22:10:39,768 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,773 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,781 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. [2018-04-06 22:10:39,781 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:69, output treesize:53 [2018-04-06 22:10:39,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,860 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 21 [2018-04-06 22:10:39,860 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,884 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 [2018-04-06 22:10:39,884 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:39,896 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. [2018-04-06 22:10:39,896 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:77, output treesize:69 [2018-04-06 22:10:39,926 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 56 treesize of output 51 [2018-04-06 22:10:39,933 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 2 case distinctions, treesize of input 16 treesize of output 23 [2018-04-06 22:10:39,934 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:39,948 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:39,985 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 71 [2018-04-06 22:10:39,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-06 22:10:39,989 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 [2018-04-06 22:10:39,989 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,000 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,006 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 62 treesize of output 61 [2018-04-06 22:10:40,009 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 17 [2018-04-06 22:10:40,009 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,018 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,048 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-04-06 22:10:40,049 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:94, output treesize:145 [2018-04-06 22:10:40,118 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 37 treesize of output 38 [2018-04-06 22:10:40,120 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 [2018-04-06 22:10:40,120 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,125 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,144 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 111 treesize of output 90 [2018-04-06 22:10:40,146 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 21 [2018-04-06 22:10:40,147 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,156 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,168 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. [2018-04-06 22:10:40,168 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:133, output treesize:109 [2018-04-06 22:10:40,271 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 106 treesize of output 67 [2018-04-06 22:10:40,274 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 9 treesize of output 1 [2018-04-06 22:10:40,274 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,285 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 29 treesize of output 18 [2018-04-06 22:10:40,286 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2018-04-06 22:10:40,297 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 22:10:40,308 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-06 22:10:40,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2018-04-06 22:10:40,327 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 [2018-04-06 22:10:40,327 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,333 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 [2018-04-06 22:10:40,334 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,335 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,344 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. [2018-04-06 22:10:40,344 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 6 variables, input treesize:123, output treesize:18 [2018-04-06 22:10:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-06 22:10:40,412 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-06 22:10:40,874 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 127 [2018-04-06 22:10:40,875 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:40,877 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 88 [2018-04-06 22:10:40,877 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,885 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 123 treesize of output 127 [2018-04-06 22:10:40,886 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:40,935 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 56 [2018-04-06 22:10:40,936 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:40,974 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 2 dim-1 vars, End of recursive call: 15 dim-0 vars, and 4 xjuncts. [2018-04-06 22:10:40,974 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 10 variables, input treesize:154, output treesize:267 [2018-04-06 22:10:41,192 WARN L151 SmtUtils]: Spent 135ms on a formula simplification. DAG size of input: 106 DAG size of output 78 [2018-04-06 22:10:42,177 WARN L148 SmtUtils]: Spent 822ms on a formula simplification that was a NOOP. DAG size: 81 [2018-04-06 22:10:48,765 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,765 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,765 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,766 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 656 treesize of output 644 [2018-04-06 22:10:48,766 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:48,858 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,860 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,861 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,861 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 311 treesize of output 299 [2018-04-06 22:10:48,861 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:48,932 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,932 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,933 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:48,933 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 311 treesize of output 299 [2018-04-06 22:10:48,933 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,003 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 299 treesize of output 228 [2018-04-06 22:10:49,056 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 [2018-04-06 22:10:49,056 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,067 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 171 treesize of output 159 [2018-04-06 22:10:49,070 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 81 [2018-04-06 22:10:49,070 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,075 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,082 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,145 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 299 treesize of output 228 [2018-04-06 22:10:49,189 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 [2018-04-06 22:10:49,190 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,201 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 171 treesize of output 159 [2018-04-06 22:10:49,203 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 81 [2018-04-06 22:10:49,203 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,209 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,217 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,274 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 644 treesize of output 333 [2018-04-06 22:10:49,336 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-04-06 22:10:49,336 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,359 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 206 treesize of output 130 [2018-04-06 22:10:49,363 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 115 treesize of output 92 [2018-04-06 22:10:49,363 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,400 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 139 [2018-04-06 22:10:49,400 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,439 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 139 treesize of output 82 [2018-04-06 22:10:49,475 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 2 case distinctions, treesize of input 18 treesize of output 26 [2018-04-06 22:10:49,475 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:49,501 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 57 [2018-04-06 22:10:49,504 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 43 [2018-04-06 22:10:49,504 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,541 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,541 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,542 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,542 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,546 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 45 [2018-04-06 22:10:49,547 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:49,593 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2018-04-06 22:10:49,594 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,629 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,629 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,630 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 24 treesize of output 18 [2018-04-06 22:10:49,630 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,664 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 41 treesize of output 31 [2018-04-06 22:10:49,664 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,697 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,698 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,698 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 41 treesize of output 35 [2018-04-06 22:10:49,698 INFO L267 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,731 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,732 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:49,736 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 34 [2018-04-06 22:10:49,736 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:49,767 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 21 [2018-04-06 22:10:49,768 INFO L267 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,790 INFO L267 ElimStorePlain]: Start of recursive call 20: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 22:10:49,802 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 55 [2018-04-06 22:10:49,805 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 31 [2018-04-06 22:10:49,806 INFO L267 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,849 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 42 treesize of output 32 [2018-04-06 22:10:49,849 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,882 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 22 treesize of output 16 [2018-04-06 22:10:49,883 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,915 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 39 treesize of output 32 [2018-04-06 22:10:49,915 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,945 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 25 [2018-04-06 22:10:49,945 INFO L267 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:49,974 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 32 treesize of output 26 [2018-04-06 22:10:49,974 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,001 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 22 [2018-04-06 22:10:50,002 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,026 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2018-04-06 22:10:50,027 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,044 INFO L267 ElimStorePlain]: Start of recursive call 29: 8 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-04-06 22:10:50,066 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-06 22:10:50,125 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 89 treesize of output 62 [2018-04-06 22:10:50,166 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 4 case distinctions, treesize of input 24 treesize of output 39 [2018-04-06 22:10:50,166 INFO L267 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 4 xjuncts. [2018-04-06 22:10:50,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 35 [2018-04-06 22:10:50,201 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2018-04-06 22:10:50,201 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,216 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2018-04-06 22:10:50,216 INFO L267 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,228 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 27 treesize of output 20 [2018-04-06 22:10:50,229 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,238 INFO L267 ElimStorePlain]: Start of recursive call 40: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,243 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2018-04-06 22:10:50,245 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,246 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,246 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2018-04-06 22:10:50,246 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-04-06 22:10:50,262 INFO L267 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,274 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,275 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,275 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 22 treesize of output 16 [2018-04-06 22:10:50,275 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,286 INFO L267 ElimStorePlain]: Start of recursive call 44: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 37 [2018-04-06 22:10:50,294 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2018-04-06 22:10:50,295 INFO L267 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,307 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,308 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,308 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 22 treesize of output 16 [2018-04-06 22:10:50,308 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,321 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,322 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,322 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2018-04-06 22:10:50,322 INFO L267 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,333 INFO L267 ElimStorePlain]: Start of recursive call 48: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,339 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 39 [2018-04-06 22:10:50,341 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,341 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,342 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,343 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 34 treesize of output 25 [2018-04-06 22:10:50,343 INFO L267 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2018-04-06 22:10:50,358 INFO L267 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,369 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,370 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,371 INFO L682 Elim1Store]: detected equality via solver [2018-04-06 22:10:50,371 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2018-04-06 22:10:50,371 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,391 INFO L267 ElimStorePlain]: Start of recursive call 52: 3 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,417 INFO L267 ElimStorePlain]: Start of recursive call 38: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 6 xjuncts. [2018-04-06 22:10:50,481 INFO L267 ElimStorePlain]: Start of recursive call 15: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-06 22:10:50,508 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 5 xjuncts. [2018-04-06 22:10:50,590 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 87 treesize of output 64 [2018-04-06 22:10:50,609 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 [2018-04-06 22:10:50,609 INFO L267 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2018-04-06 22:10:50,633 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 41 treesize of output 65 [2018-04-06 22:10:50,715 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 46 treesize of output 49 [2018-04-06 22:10:50,723 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2018-04-06 22:10:50,723 INFO L267 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,738 INFO L267 ElimStorePlain]: Start of recursive call 59: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,740 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 44 treesize of output 47 [2018-04-06 22:10:50,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 18 treesize of output 26 [2018-04-06 22:10:50,748 INFO L267 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,763 INFO L267 ElimStorePlain]: Start of recursive call 61: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,858 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 39 treesize of output 49 [2018-04-06 22:10:50,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 50 [2018-04-06 22:10:50,867 INFO L267 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:50,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 67 [2018-04-06 22:10:50,915 INFO L267 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 8 xjuncts. [2018-04-06 22:10:50,971 INFO L267 ElimStorePlain]: Start of recursive call 63: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-06 22:10:50,980 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 37 treesize of output 47 [2018-04-06 22:10:50,989 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 48 [2018-04-06 22:10:50,990 INFO L267 ElimStorePlain]: Start of recursive call 67: End of recursive call: and 2 xjuncts. [2018-04-06 22:10:51,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 65 [2018-04-06 22:10:51,038 INFO L267 ElimStorePlain]: Start of recursive call 68: End of recursive call: and 8 xjuncts. [2018-04-06 22:10:51,092 INFO L267 ElimStorePlain]: Start of recursive call 66: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-04-06 22:10:51,272 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 3 case distinctions, treesize of input 39 treesize of output 55 [2018-04-06 22:10:51,297 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_prenex_111 term size 43 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) [2018-04-06 22:10:51,304 INFO L168 Benchmark]: Toolchain (without parser) took 37591.60 ms. Allocated memory was 302.5 MB in the beginning and 703.1 MB in the end (delta: 400.6 MB). Free memory was 240.2 MB in the beginning and 443.4 MB in the end (delta: -203.3 MB). Peak memory consumption was 326.7 MB. Max. memory is 5.3 GB. [2018-04-06 22:10:51,305 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 302.5 MB. Free memory is still 262.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-06 22:10:51,305 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.06 ms. Allocated memory is still 302.5 MB. Free memory was 240.2 MB in the beginning and 212.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. [2018-04-06 22:10:51,305 INFO L168 Benchmark]: Boogie Preprocessor took 58.96 ms. Allocated memory is still 302.5 MB. Free memory was 212.3 MB in the beginning and 208.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. [2018-04-06 22:10:51,306 INFO L168 Benchmark]: RCFGBuilder took 717.38 ms. Allocated memory was 302.5 MB in the beginning and 463.5 MB in the end (delta: 161.0 MB). Free memory was 208.3 MB in the beginning and 382.5 MB in the end (delta: -174.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. [2018-04-06 22:10:51,306 INFO L168 Benchmark]: TraceAbstraction took 36475.58 ms. Allocated memory was 463.5 MB in the beginning and 703.1 MB in the end (delta: 239.6 MB). Free memory was 382.5 MB in the beginning and 443.4 MB in the end (delta: -61.0 MB). Peak memory consumption was 308.1 MB. Max. memory is 5.3 GB. [2018-04-06 22:10:51,307 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 302.5 MB. Free memory is still 262.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 335.06 ms. Allocated memory is still 302.5 MB. Free memory was 240.2 MB in the beginning and 212.3 MB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 58.96 ms. Allocated memory is still 302.5 MB. Free memory was 212.3 MB in the beginning and 208.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 717.38 ms. Allocated memory was 302.5 MB in the beginning and 463.5 MB in the end (delta: 161.0 MB). Free memory was 208.3 MB in the beginning and 382.5 MB in the end (delta: -174.2 MB). Peak memory consumption was 20.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 36475.58 ms. Allocated memory was 463.5 MB in the beginning and 703.1 MB in the end (delta: 239.6 MB). Free memory was 382.5 MB in the beginning and 443.4 MB in the end (delta: -61.0 MB). Peak memory consumption was 308.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_111 term size 43 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_111 term size 43: 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/dll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-06_22-10-51-313.csv Received shutdown request...