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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety/test-memleak_nexttime_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 06:01:11,273 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 06:01:11,274 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 06:01:11,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 06:01:11,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 06:01:11,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 06:01:11,288 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 06:01:11,289 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 06:01:11,291 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 06:01:11,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 06:01:11,292 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 06:01:11,292 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 06:01:11,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 06:01:11,294 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 06:01:11,295 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 06:01:11,296 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 06:01:11,298 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 06:01:11,299 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 06:01:11,300 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 06:01:11,301 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 06:01:11,303 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-13 06:01:11,307 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 06:01:11,308 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 06:01:11,308 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-04-13 06:01:11,318 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 06:01:11,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 06:01:11,320 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 06:01:11,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 06:01:11,320 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 06:01:11,320 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 06:01:11,320 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 06:01:11,320 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 06:01:11,320 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 06:01:11,320 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 06:01:11,320 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 06:01:11,321 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 06:01:11,321 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 06:01:11,321 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 06:01:11,322 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-13 06:01:11,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-13 06:01:11,322 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 06:01:11,354 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 06:01:11,364 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 06:01:11,366 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 06:01:11,367 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 06:01:11,368 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 06:01:11,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,654 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG875bb7f6d [2018-04-13 06:01:11,798 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 06:01:11,798 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 06:01:11,799 INFO L168 CDTParser]: Scanning test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,807 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 06:01:11,807 INFO L215 ultiparseSymbolTable]: [2018-04-13 06:01:11,807 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 06:01:11,807 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,807 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo ('foo') in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____fsblkcnt64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____uint64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_once_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____swblk_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__register_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_attr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____nlink_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____sig_atomic_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,808 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__timer_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____fd_mask in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____int8_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__off_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____blkcnt64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____ssize_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__dev_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fsfilcnt_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__id_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____mode_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,809 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__int32_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__gid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_short in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____uid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__ssize_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__nlink_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__uint in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____u_short in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__int64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____loff_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,810 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__locale_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__suseconds_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____blkcnt_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_mutex_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____fsfilcnt_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____WAIT_STATUS in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__mode_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____clock_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____u_int in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__time_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__daddr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,811 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fsid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_int64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____fsfilcnt64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__ino_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_condattr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__ldiv_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____qaddr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____rlim64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____useconds_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____uint16_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,812 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____blksize_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__a in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____key_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____daddr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____int64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_quad_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__ushort in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____time_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__int8_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____uint8_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__loff_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,813 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_int32_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____pthread_list_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_barrierattr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__sigset_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____locale_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____u_long in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____int16_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____fsblkcnt_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____dev_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__blkcnt_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_key_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,814 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_rwlock_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_char in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____uint32_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fd_set in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_rwlockattr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____off_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__clock_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__blksize_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_long in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____caddr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____ino_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____ino64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__ulong in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,815 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____fsid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fd_mask in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__key_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__caddr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____sigset_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_mutexattr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____timer_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____rlim_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_int in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_spinlock_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____intptr_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____int32_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____clockid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__clockid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,816 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__div_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__quad_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_int16_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__size_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__u_int8_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_cond_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__uid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____socklen_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____id_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__int16_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__lldiv_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fsblkcnt_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____gid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__wchar_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,817 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__pthread_barrier_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____u_quad_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____pid_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____quad_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____u_char in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____off64_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,818 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i____suseconds_t in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:11,833 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG875bb7f6d [2018-04-13 06:01:11,837 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 06:01:11,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 06:01:11,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 06:01:11,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 06:01:11,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 06:01:11,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:01:11" (1/1) ... [2018-04-13 06:01:11,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@636a8674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:11, skipping insertion in model container [2018-04-13 06:01:11,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 06:01:11" (1/1) ... [2018-04-13 06:01:11,855 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 06:01:11,877 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 06:01:12,002 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 06:01:12,037 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 06:01:12,048 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 161 non ball SCCs. Number of states in SCCs 161. [2018-04-13 06:01:12,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12 WrapperNode [2018-04-13 06:01:12,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 06:01:12,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 06:01:12,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 06:01:12,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 06:01:12,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... [2018-04-13 06:01:12,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... [2018-04-13 06:01:12,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... [2018-04-13 06:01:12,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... [2018-04-13 06:01:12,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... [2018-04-13 06:01:12,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... [2018-04-13 06:01:12,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... [2018-04-13 06:01:12,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 06:01:12,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 06:01:12,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 06:01:12,131 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 06:01:12,132 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-04-13 06:01:12,221 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 06:01:12,222 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 06:01:12,222 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo [2018-04-13 06:01:12,222 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 06:01:12,222 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-13 06:01:12,222 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-13 06:01:12,224 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-13 06:01:12,225 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-13 06:01:12,226 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-13 06:01:12,227 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-13 06:01:12,228 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-13 06:01:12,229 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-13 06:01:12,230 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-13 06:01:12,231 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-13 06:01:12,232 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-13 06:01:12,233 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-13 06:01:12,234 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-13 06:01:12,235 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-13 06:01:12,236 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-13 06:01:12,237 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 06:01:12,238 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 06:01:12,239 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 06:01:12,421 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-13 06:01:12,551 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 06:01:12,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:01:12 BoogieIcfgContainer [2018-04-13 06:01:12,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 06:01:12,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 06:01:12,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 06:01:12,554 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 06:01:12,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 06:01:11" (1/3) ... [2018-04-13 06:01:12,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195276b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:01:12, skipping insertion in model container [2018-04-13 06:01:12,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 06:01:12" (2/3) ... [2018-04-13 06:01:12,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@195276b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 06:01:12, skipping insertion in model container [2018-04-13 06:01:12,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 06:01:12" (3/3) ... [2018-04-13 06:01:12,556 INFO L107 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-13 06:01:12,562 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-13 06:01:12,567 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-13 06:01:12,590 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 06:01:12,591 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 06:01:12,591 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 06:01:12,591 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-13 06:01:12,591 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-13 06:01:12,591 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 06:01:12,591 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 06:01:12,591 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 06:01:12,591 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 06:01:12,592 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 06:01:12,601 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-04-13 06:01:12,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 06:01:12,607 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:12,608 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:01:12,608 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:12,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1920380317, now seen corresponding path program 1 times [2018-04-13 06:01:12,612 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:12,612 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:12,640 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:12,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:12,640 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:12,683 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:12,696 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:12,696 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:12,697 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:12,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:12,731 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:12,761 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 06:01:12,763 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:12,767 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:12,767 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 06:01:12,793 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 12 treesize of output 11 [2018-04-13 06:01:12,793 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:12,799 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. [2018-04-13 06:01:12,799 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-13 06:01:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:12,806 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:12,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 06:01:12,807 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 06:01:12,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 06:01:12,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 06:01:12,817 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2018-04-13 06:01:12,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:12,861 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2018-04-13 06:01:12,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 06:01:12,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-04-13 06:01:12,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:12,868 INFO L225 Difference]: With dead ends: 52 [2018-04-13 06:01:12,868 INFO L226 Difference]: Without dead ends: 49 [2018-04-13 06:01:12,869 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 06:01:12,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-13 06:01:12,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-13 06:01:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-13 06:01:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-04-13 06:01:12,892 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 14 [2018-04-13 06:01:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:12,893 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-04-13 06:01:12,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 06:01:12,893 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-04-13 06:01:12,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-13 06:01:12,893 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:12,893 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:01:12,893 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:12,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1920380316, now seen corresponding path program 1 times [2018-04-13 06:01:12,893 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:12,893 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:12,894 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:12,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:12,894 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:12,910 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:12,915 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:12,915 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:12,915 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:12,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:12,937 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:12,945 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 [2018-04-13 06:01:12,945 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:12,951 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 [2018-04-13 06:01:12,952 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:12,956 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:12,956 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 06:01:12,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:12,972 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:12,973 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:01:12,974 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:12,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:12,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:12,992 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 11 treesize of output 12 [2018-04-13 06:01:12,992 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,000 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. [2018-04-13 06:01:13,000 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-13 06:01:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:13,011 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:13,012 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:01:13,012 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:01:13,013 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:01:13,013 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:01:13,013 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 4 states. [2018-04-13 06:01:13,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:13,082 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-04-13 06:01:13,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:01:13,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-13 06:01:13,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:13,084 INFO L225 Difference]: With dead ends: 47 [2018-04-13 06:01:13,084 INFO L226 Difference]: Without dead ends: 47 [2018-04-13 06:01:13,084 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:01:13,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-13 06:01:13,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-13 06:01:13,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-13 06:01:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-04-13 06:01:13,089 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 14 [2018-04-13 06:01:13,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:13,089 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-04-13 06:01:13,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:01:13,089 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-04-13 06:01:13,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 06:01:13,090 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:13,090 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:01:13,090 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:13,090 INFO L82 PathProgramCache]: Analyzing trace with hash 597752329, now seen corresponding path program 1 times [2018-04-13 06:01:13,090 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:13,090 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:13,091 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,091 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,104 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:13,106 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:13,106 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:13,107 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:13,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,125 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:13,127 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 [2018-04-13 06:01:13,128 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,129 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 06:01:13,135 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 12 treesize of output 11 [2018-04-13 06:01:13,135 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,138 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,138 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-13 06:01:13,147 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 0 case distinctions, treesize of input 17 treesize of output 16 [2018-04-13 06:01:13,147 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,152 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. [2018-04-13 06:01:13,152 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:16 [2018-04-13 06:01:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:13,169 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:13,169 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:01:13,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:01:13,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:01:13,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:01:13,170 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 4 states. [2018-04-13 06:01:13,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:13,235 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-13 06:01:13,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:01:13,236 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-13 06:01:13,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:13,236 INFO L225 Difference]: With dead ends: 51 [2018-04-13 06:01:13,236 INFO L226 Difference]: Without dead ends: 51 [2018-04-13 06:01:13,237 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:01:13,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-13 06:01:13,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-13 06:01:13,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-13 06:01:13,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-13 06:01:13,241 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 15 [2018-04-13 06:01:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:13,241 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-13 06:01:13,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:01:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-13 06:01:13,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 06:01:13,241 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:13,241 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:01:13,242 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:13,242 INFO L82 PathProgramCache]: Analyzing trace with hash 597752331, now seen corresponding path program 1 times [2018-04-13 06:01:13,242 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:13,242 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:13,242 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,243 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,255 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:13,258 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:13,258 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:13,258 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:13,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,277 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:13,287 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 06:01:13,287 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,290 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-13 06:01:13,303 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 12 treesize of output 11 [2018-04-13 06:01:13,304 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,308 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. [2018-04-13 06:01:13,308 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-13 06:01:13,325 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:13,332 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 12 treesize of output 15 [2018-04-13 06:01:13,333 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-13 06:01:13,343 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 2 xjuncts. [2018-04-13 06:01:13,344 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:24 [2018-04-13 06:01:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:13,355 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:13,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 06:01:13,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:01:13,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:01:13,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:01:13,356 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 4 states. [2018-04-13 06:01:13,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:13,396 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-13 06:01:13,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:01:13,396 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-13 06:01:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:13,397 INFO L225 Difference]: With dead ends: 50 [2018-04-13 06:01:13,397 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 06:01:13,397 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:01:13,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 06:01:13,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-13 06:01:13,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 06:01:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-04-13 06:01:13,401 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 15 [2018-04-13 06:01:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:13,401 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-04-13 06:01:13,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:01:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-04-13 06:01:13,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 06:01:13,402 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:13,402 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:01:13,402 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:13,402 INFO L82 PathProgramCache]: Analyzing trace with hash -450250314, now seen corresponding path program 1 times [2018-04-13 06:01:13,402 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:13,402 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:13,403 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,404 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,414 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:13,447 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:13,447 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 06:01:13,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 06:01:13,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 06:01:13,448 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 06:01:13,448 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 3 states. [2018-04-13 06:01:13,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:13,465 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-04-13 06:01:13,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 06:01:13,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-04-13 06:01:13,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:13,467 INFO L225 Difference]: With dead ends: 48 [2018-04-13 06:01:13,467 INFO L226 Difference]: Without dead ends: 48 [2018-04-13 06:01:13,467 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 06:01:13,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-13 06:01:13,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-13 06:01:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-13 06:01:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2018-04-13 06:01:13,470 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 27 [2018-04-13 06:01:13,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:13,471 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2018-04-13 06:01:13,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 06:01:13,471 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-04-13 06:01:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-13 06:01:13,472 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:13,472 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:01:13,472 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:13,472 INFO L82 PathProgramCache]: Analyzing trace with hash -450250313, now seen corresponding path program 1 times [2018-04-13 06:01:13,472 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:13,472 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:13,473 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,473 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,485 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:13,488 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:13,488 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:13,488 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:13,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,505 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:13,520 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:13,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 06:01:13,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 06:01:13,521 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 06:01:13,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 06:01:13,521 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 4 states. [2018-04-13 06:01:13,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:13,542 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-04-13 06:01:13,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 06:01:13,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-04-13 06:01:13,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:13,546 INFO L225 Difference]: With dead ends: 54 [2018-04-13 06:01:13,546 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 06:01:13,546 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 06:01:13,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 06:01:13,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-13 06:01:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 06:01:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-04-13 06:01:13,548 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 27 [2018-04-13 06:01:13,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:13,548 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-04-13 06:01:13,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 06:01:13,549 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-04-13 06:01:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-13 06:01:13,549 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:13,549 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] [2018-04-13 06:01:13,549 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:13,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1069825814, now seen corresponding path program 1 times [2018-04-13 06:01:13,549 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:13,549 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:13,550 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,550 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,561 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:13,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:13,591 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:13,591 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:13,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,608 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:13,627 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 06:01:13,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-04-13 06:01:13,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 06:01:13,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 06:01:13,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-13 06:01:13,628 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 8 states. [2018-04-13 06:01:13,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:13,659 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2018-04-13 06:01:13,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 06:01:13,660 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-04-13 06:01:13,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:13,661 INFO L225 Difference]: With dead ends: 56 [2018-04-13 06:01:13,661 INFO L226 Difference]: Without dead ends: 52 [2018-04-13 06:01:13,661 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-04-13 06:01:13,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-13 06:01:13,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-13 06:01:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-13 06:01:13,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-04-13 06:01:13,664 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 28 [2018-04-13 06:01:13,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:13,664 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-04-13 06:01:13,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 06:01:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-04-13 06:01:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 06:01:13,665 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:13,665 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] [2018-04-13 06:01:13,665 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:13,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1198170135, now seen corresponding path program 2 times [2018-04-13 06:01:13,666 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:13,666 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:13,666 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:13,668 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:13,688 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:13,692 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:13,692 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:13,692 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:13,693 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:01:13,712 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-13 06:01:13,712 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:01:13,719 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:13,733 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 [2018-04-13 06:01:13,734 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,735 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,736 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 06:01:13,752 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 5 treesize of output 1 [2018-04-13 06:01:13,753 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,753 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,754 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-04-13 06:01:13,791 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:13,792 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2018-04-13 06:01:13,795 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 12 treesize of output 11 [2018-04-13 06:01:13,795 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:13,803 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. [2018-04-13 06:01:13,803 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:11 [2018-04-13 06:01:13,834 WARN L1033 $PredicateComparison]: unable to prove that (exists ((|__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo_#t~malloc0.base| Int) (|__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo_~#p~0.base| Int)) (and (= |c_#valid| (store (store (store |c_old(#valid)| |__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo_~#p~0.base| 1) |__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo_#t~malloc0.base| 1) |__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo_~#p~0.base| 0)) (<= (select |c_old(#valid)| |__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo_~#p~0.base|) 0))) is different from true [2018-04-13 06:01:13,848 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:13,849 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:13,850 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 33 [2018-04-13 06:01:13,855 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 26 [2018-04-13 06:01:13,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:13,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 24 [2018-04-13 06:01:13,870 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-13 06:01:13,895 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:01:13,909 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:01:13,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 06:01:13,919 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:23, output treesize:28 [2018-04-13 06:01:13,935 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:13,937 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:13,941 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 06:01:13,942 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-13 06:01:13,953 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-04-13 06:01:13,953 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:32 [2018-04-13 06:01:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 06:01:13,984 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:13,984 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-13 06:01:13,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 06:01:13,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 06:01:13,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=49, Unknown=2, NotChecked=14, Total=90 [2018-04-13 06:01:13,985 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 10 states. [2018-04-13 06:01:14,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:14,120 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-13 06:01:14,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 06:01:14,120 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-04-13 06:01:14,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:14,121 INFO L225 Difference]: With dead ends: 51 [2018-04-13 06:01:14,121 INFO L226 Difference]: Without dead ends: 51 [2018-04-13 06:01:14,121 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=4, NotChecked=22, Total=182 [2018-04-13 06:01:14,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-13 06:01:14,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-13 06:01:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-13 06:01:14,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-13 06:01:14,123 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 29 [2018-04-13 06:01:14,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:14,123 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-13 06:01:14,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 06:01:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-13 06:01:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 06:01:14,124 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:14,124 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] [2018-04-13 06:01:14,124 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:14,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1198170136, now seen corresponding path program 1 times [2018-04-13 06:01:14,124 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:14,124 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:14,125 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:14,125 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:01:14,125 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:14,136 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-13 06:01:14,155 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:14,155 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 06:01:14,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 06:01:14,155 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 06:01:14,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 06:01:14,156 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 3 states. [2018-04-13 06:01:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:14,170 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-04-13 06:01:14,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 06:01:14,171 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-04-13 06:01:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:14,172 INFO L225 Difference]: With dead ends: 49 [2018-04-13 06:01:14,172 INFO L226 Difference]: Without dead ends: 49 [2018-04-13 06:01:14,172 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 06:01:14,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-13 06:01:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-13 06:01:14,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-13 06:01:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-04-13 06:01:14,175 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 29 [2018-04-13 06:01:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:14,175 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-04-13 06:01:14,175 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 06:01:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-04-13 06:01:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 06:01:14,176 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:14,176 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] [2018-04-13 06:01:14,176 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:14,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1198170137, now seen corresponding path program 1 times [2018-04-13 06:01:14,176 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:14,176 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:14,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:14,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:14,177 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:14,194 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:14,235 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:14,235 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:14,235 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:14,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:14,250 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:01:14,273 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 06:01:14,273 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-04-13 06:01:14,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 06:01:14,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 06:01:14,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-04-13 06:01:14,274 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 10 states. [2018-04-13 06:01:14,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:14,312 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-04-13 06:01:14,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 06:01:14,312 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-04-13 06:01:14,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:14,315 INFO L225 Difference]: With dead ends: 55 [2018-04-13 06:01:14,315 INFO L226 Difference]: Without dead ends: 51 [2018-04-13 06:01:14,315 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-04-13 06:01:14,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-13 06:01:14,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-13 06:01:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-13 06:01:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-13 06:01:14,318 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 29 [2018-04-13 06:01:14,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:14,319 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-13 06:01:14,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 06:01:14,319 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-13 06:01:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-13 06:01:14,320 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:14,320 INFO L355 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:01:14,320 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:14,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1508399476, now seen corresponding path program 2 times [2018-04-13 06:01:14,320 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:14,320 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:14,321 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:14,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:14,323 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:14,343 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:14,345 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:14,346 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:14,346 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:14,346 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:01:14,358 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-13 06:01:14,358 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:01:14,361 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:14,368 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 [2018-04-13 06:01:14,369 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,375 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-13 06:01:14,375 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,388 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,389 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-13 06:01:14,397 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 5 treesize of output 1 [2018-04-13 06:01:14,397 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,403 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 1 [2018-04-13 06:01:14,403 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,407 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,408 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:10 [2018-04-13 06:01:14,442 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 12 [2018-04-13 06:01:14,444 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,445 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:01:14,445 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,449 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,457 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,458 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 0 case distinctions, treesize of input 11 treesize of output 11 [2018-04-13 06:01:14,459 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,463 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:01:14,463 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:26, output treesize:14 [2018-04-13 06:01:14,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,526 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2018-04-13 06:01:14,528 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,529 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 34 [2018-04-13 06:01:14,530 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,537 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,550 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,551 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 27 [2018-04-13 06:01:14,551 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:14,558 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:01:14,559 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:36, output treesize:23 [2018-04-13 06:01:14,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,594 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,596 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:14,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 37 [2018-04-13 06:01:14,604 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-13 06:01:14,636 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 06:01:14,636 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:29, output treesize:60 [2018-04-13 06:01:15,418 WARN L151 SmtUtils]: Spent 765ms on a formula simplification. DAG size of input: 41 DAG size of output 37 [2018-04-13 06:01:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-13 06:01:15,422 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 06:01:15,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-13 06:01:15,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 06:01:15,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 06:01:15,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=3, NotChecked=0, Total=72 [2018-04-13 06:01:15,423 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 9 states. [2018-04-13 06:01:15,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:15,795 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-13 06:01:15,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 06:01:15,795 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-13 06:01:15,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:15,796 INFO L225 Difference]: With dead ends: 50 [2018-04-13 06:01:15,796 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 06:01:15,796 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=157, Unknown=6, NotChecked=0, Total=210 [2018-04-13 06:01:15,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 06:01:15,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-13 06:01:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 06:01:15,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-04-13 06:01:15,799 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 30 [2018-04-13 06:01:15,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:15,799 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-04-13 06:01:15,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 06:01:15,799 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-04-13 06:01:15,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-13 06:01:15,800 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:15,800 INFO L355 BasicCegarLoop]: trace histogram [6, 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] [2018-04-13 06:01:15,800 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:15,800 INFO L82 PathProgramCache]: Analyzing trace with hash -679178184, now seen corresponding path program 1 times [2018-04-13 06:01:15,800 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:15,800 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:15,800 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:15,801 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:01:15,801 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:15,824 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-13 06:01:15,861 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:15,861 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:15,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:15,878 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:15,936 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-13 06:01:15,936 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 06:01:15,936 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-04-13 06:01:15,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 06:01:15,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 06:01:15,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-04-13 06:01:15,937 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 12 states. [2018-04-13 06:01:15,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:01:15,966 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2018-04-13 06:01:15,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 06:01:15,966 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-13 06:01:15,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:01:15,967 INFO L225 Difference]: With dead ends: 56 [2018-04-13 06:01:15,967 INFO L226 Difference]: Without dead ends: 52 [2018-04-13 06:01:15,967 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2018-04-13 06:01:15,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-13 06:01:15,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-13 06:01:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-13 06:01:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-04-13 06:01:15,969 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 41 [2018-04-13 06:01:15,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:01:15,969 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-04-13 06:01:15,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 06:01:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-04-13 06:01:15,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-13 06:01:15,969 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:01:15,970 INFO L355 BasicCegarLoop]: trace histogram [8, 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] [2018-04-13 06:01:15,970 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:01:15,970 INFO L82 PathProgramCache]: Analyzing trace with hash -155753218, now seen corresponding path program 2 times [2018-04-13 06:01:15,970 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:01:15,970 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:01:15,970 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:15,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:01:15,971 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:01:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:01:16,026 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:01:16,032 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:01:16,032 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:01:16,032 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:01:16,033 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-13 06:01:16,190 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-13 06:01:16,190 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:01:16,195 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:01:16,237 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-13 06:01:16,238 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 [2018-04-13 06:01:16,239 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,240 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,245 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,245 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-13 06:01:16,677 WARN L151 SmtUtils]: Spent 189ms on a formula simplification. DAG size of input: 101 DAG size of output 39 [2018-04-13 06:01:16,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 60 [2018-04-13 06:01:16,708 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,709 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,711 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,712 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,713 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,714 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,714 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:16,715 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,727 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:16,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 119 [2018-04-13 06:01:16,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,746 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,747 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,748 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:16,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,757 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 101 [2018-04-13 06:01:16,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,767 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,767 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:16,768 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 54 [2018-04-13 06:01:16,796 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,797 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:16,799 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 36 [2018-04-13 06:01:16,799 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,807 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,817 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,833 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,864 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 55 [2018-04-13 06:01:16,869 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,871 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-04-13 06:01:16,875 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,876 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,880 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 72 [2018-04-13 06:01:16,885 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,886 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,888 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,890 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,891 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:16,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 99 [2018-04-13 06:01:16,898 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,918 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,930 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,939 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,954 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:16,967 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 06:01:16,967 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:205, output treesize:82 [2018-04-13 06:01:26,467 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 64 treesize of output 54 [2018-04-13 06:01:26,471 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,473 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,475 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:26,476 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:26,482 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 73 [2018-04-13 06:01:26,482 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:26,498 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 8 [2018-04-13 06:01:26,498 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:26,502 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 5 treesize of output 1 [2018-04-13 06:01:26,503 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:26,503 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:26,509 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:26,510 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:85, output treesize:7 [2018-04-13 06:01:36,368 WARN L151 SmtUtils]: Spent 467ms on a formula simplification. DAG size of input: 128 DAG size of output 67 [2018-04-13 06:01:36,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 108 treesize of output 113 [2018-04-13 06:01:36,412 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 113 treesize of output 115 [2018-04-13 06:01:36,416 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,417 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2018-04-13 06:01:36,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,426 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 76 [2018-04-13 06:01:36,429 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,430 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,431 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,433 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,438 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 104 [2018-04-13 06:01:36,439 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,451 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,458 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,488 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,632 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,664 INFO L267 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2018-04-13 06:01:36,664 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:274, output treesize:152 [2018-04-13 06:01:36,740 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 111 [2018-04-13 06:01:36,750 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,753 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,754 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,756 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,757 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,758 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,758 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,759 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,760 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,760 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,761 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,761 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,762 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,763 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,764 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,764 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,765 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,766 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,766 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,767 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,767 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,767 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,768 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,769 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,769 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,770 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:01:36,771 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,772 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,772 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,772 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,772 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:01:36,865 INFO L303 Elim1Store]: Index analysis took 119 ms [2018-04-13 06:01:36,866 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 6 disjoint index pairs (out of 153 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 295 [2018-04-13 06:01:36,867 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,965 INFO L267 ElimStorePlain]: Start of recursive call 2: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,976 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:01:36,976 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:159, output treesize:7 [2018-04-13 06:01:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 39 refuted. 6 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-13 06:01:37,007 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:01:37,007 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-13 06:01:37,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 06:01:37,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 06:01:37,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=360, Unknown=36, NotChecked=0, Total=462 [2018-04-13 06:01:37,007 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 22 states. [2018-04-13 06:02:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:02:04,288 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2018-04-13 06:02:04,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 06:02:04,289 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 43 [2018-04-13 06:02:04,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:02:04,290 INFO L225 Difference]: With dead ends: 79 [2018-04-13 06:02:04,290 INFO L226 Difference]: Without dead ends: 79 [2018-04-13 06:02:04,291 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 26.3s TimeCoverageRelationStatistics Valid=140, Invalid=927, Unknown=55, NotChecked=0, Total=1122 [2018-04-13 06:02:04,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-13 06:02:04,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 68. [2018-04-13 06:02:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-13 06:02:04,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2018-04-13 06:02:04,296 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 43 [2018-04-13 06:02:04,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:02:04,296 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2018-04-13 06:02:04,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 06:02:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2018-04-13 06:02:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-13 06:02:04,296 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:02:04,296 INFO L355 BasicCegarLoop]: trace histogram [9, 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] [2018-04-13 06:02:04,297 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:02:04,297 INFO L82 PathProgramCache]: Analyzing trace with hash 615687729, now seen corresponding path program 3 times [2018-04-13 06:02:04,297 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:02:04,297 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:02:04,297 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:02:04,297 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:02:04,297 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:02:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:02:04,310 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:02:04,374 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-13 06:02:04,374 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:02:04,374 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:02:04,375 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-13 06:02:04,411 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-13 06:02:04,411 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-13 06:02:04,416 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:02:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-13 06:02:04,471 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-13 06:02:04,471 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-04-13 06:02:04,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 06:02:04,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 06:02:04,472 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-04-13 06:02:04,472 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 14 states. [2018-04-13 06:02:04,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:02:04,511 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-04-13 06:02:04,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 06:02:04,511 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2018-04-13 06:02:04,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:02:04,511 INFO L225 Difference]: With dead ends: 57 [2018-04-13 06:02:04,512 INFO L226 Difference]: Without dead ends: 51 [2018-04-13 06:02:04,512 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2018-04-13 06:02:04,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-13 06:02:04,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-13 06:02:04,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-13 06:02:04,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2018-04-13 06:02:04,515 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 44 [2018-04-13 06:02:04,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:02:04,515 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2018-04-13 06:02:04,515 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 06:02:04,515 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2018-04-13 06:02:04,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-13 06:02:04,516 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:02:04,516 INFO L355 BasicCegarLoop]: trace histogram [8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 06:02:04,516 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:02:04,516 INFO L82 PathProgramCache]: Analyzing trace with hash -533382402, now seen corresponding path program 1 times [2018-04-13 06:02:04,516 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:02:04,516 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:02:04,517 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:02:04,517 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-13 06:02:04,517 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:02:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:02:04,585 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:02:04,594 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:02:04,594 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:02:04,594 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:02:04,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:02:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:02:04,669 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:02:04,687 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 [2018-04-13 06:02:04,687 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,694 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 [2018-04-13 06:02:04,695 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,700 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,701 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-13 06:02:04,718 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:04,719 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:04,719 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-04-13 06:02:04,720 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:04,731 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:02:04,732 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,739 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,740 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-13 06:02:04,752 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 [2018-04-13 06:02:04,754 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 [2018-04-13 06:02:04,754 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,756 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,765 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:04,765 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2018-04-13 06:02:04,776 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 [2018-04-13 06:02:04,777 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-13 06:02:04,777 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:04,800 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:04,809 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:04,809 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-04-13 06:02:05,475 WARN L151 SmtUtils]: Spent 388ms on a formula simplification. DAG size of input: 126 DAG size of output 61 [2018-04-13 06:02:05,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,480 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,481 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,484 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2018-04-13 06:02:05,484 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,529 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 3 case distinctions, treesize of input 78 treesize of output 78 [2018-04-13 06:02:05,533 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 79 treesize of output 81 [2018-04-13 06:02:05,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,541 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 61 [2018-04-13 06:02:05,546 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,547 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,548 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 80 [2018-04-13 06:02:05,556 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,557 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,558 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,559 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,560 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,568 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 109 [2018-04-13 06:02:05,568 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,578 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,584 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,593 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,621 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,644 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:05,645 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:262, output treesize:127 [2018-04-13 06:02:05,705 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,705 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 21 treesize of output 23 [2018-04-13 06:02:05,705 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,721 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:05,721 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:107, output treesize:93 [2018-04-13 06:02:05,769 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 32 [2018-04-13 06:02:05,776 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-13 06:02:05,803 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 2 xjuncts. [2018-04-13 06:02:05,803 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:102, output treesize:206 [2018-04-13 06:02:05,883 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 104 treesize of output 92 [2018-04-13 06:02:05,886 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,887 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,887 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,888 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,888 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,889 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:05,893 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 92 [2018-04-13 06:02:05,893 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:05,926 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 44 treesize of output 40 [2018-04-13 06:02:05,926 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:05,952 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 40 treesize of output 36 [2018-04-13 06:02:05,952 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:05,977 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:02:06,030 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 101 treesize of output 91 [2018-04-13 06:02:06,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:06,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:06,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:06,034 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:06,035 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:06,036 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:02:06,040 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 91 [2018-04-13 06:02:06,040 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:02:06,077 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 43 treesize of output 41 [2018-04-13 06:02:06,078 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:06,103 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 39 treesize of output 37 [2018-04-13 06:02:06,104 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:02:06,132 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-13 06:02:06,184 INFO L267 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 2 dim-2 vars, End of recursive call: 10 dim-0 vars, and 4 xjuncts. [2018-04-13 06:02:06,184 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:206, output treesize:107 [2018-04-13 06:05:53,686 WARN L151 SmtUtils]: Spent 226394ms on a formula simplification. DAG size of input: 538 DAG size of output 294 [2018-04-13 06:05:53,715 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 179 treesize of output 161 [2018-04-13 06:05:53,729 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,730 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,731 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,732 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,732 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,733 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,734 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,737 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,745 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 233 [2018-04-13 06:05:53,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,749 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,753 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,753 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,768 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 175 [2018-04-13 06:05:53,771 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,772 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,773 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,774 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,775 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,775 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,781 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,782 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 159 treesize of output 201 [2018-04-13 06:05:53,786 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,787 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,788 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,789 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,789 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,789 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,790 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,794 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,797 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 169 [2018-04-13 06:05:53,797 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:05:53,824 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:53,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,864 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,886 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 95 treesize of output 213 [2018-04-13 06:05:53,889 WARN L307 Elim1Store]: Array PQE input equivalent to false [2018-04-13 06:05:53,889 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:05:53,969 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,970 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,971 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,972 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,973 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,973 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,974 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,975 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,977 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,978 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:53,978 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,989 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:53,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 223 [2018-04-13 06:05:53,991 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:05:54,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,067 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,068 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,069 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,069 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,070 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,070 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,071 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,073 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,074 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,074 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,083 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,085 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:54,118 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 9 case distinctions, treesize of input 97 treesize of output 253 [2018-04-13 06:05:54,119 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-04-13 06:05:54,214 INFO L267 ElimStorePlain]: Start of recursive call 7: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:54,229 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:54,277 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:54,353 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:57,839 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 3 case distinctions, treesize of input 187 treesize of output 169 [2018-04-13 06:05:57,856 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,857 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,858 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,859 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,860 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,861 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,862 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,863 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,863 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:57,864 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,864 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:57,873 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:57,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 176 treesize of output 267 [2018-04-13 06:05:57,879 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,880 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,881 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,883 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 93 treesize of output 175 [2018-04-13 06:05:57,904 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,905 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,905 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:57,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,906 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,909 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:57,914 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 159 treesize of output 194 [2018-04-13 06:05:57,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,920 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,921 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,921 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,922 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,923 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,923 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,924 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:57,930 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:05:57,932 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 156 [2018-04-13 06:05:57,932 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2018-04-13 06:05:57,956 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:57,986 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,987 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,988 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,989 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,990 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,991 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:57,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,015 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 95 treesize of output 213 [2018-04-13 06:05:58,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,022 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,024 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,026 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,027 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,028 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,029 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,030 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,031 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,032 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,033 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:58,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 0 new quantified variables, introduced 9 case distinctions, treesize of input 193 treesize of output 286 [2018-04-13 06:05:58,073 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 8 xjuncts. [2018-04-13 06:05:58,195 INFO L267 ElimStorePlain]: Start of recursive call 16: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:58,208 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:58,270 INFO L267 ElimStorePlain]: Start of recursive call 12: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:58,405 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:05:59,084 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,145 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 176 treesize of output 174 [2018-04-13 06:05:59,149 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 181 treesize of output 183 [2018-04-13 06:05:59,153 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,154 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2018-04-13 06:05:59,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,158 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,160 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,163 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 76 [2018-04-13 06:05:59,166 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,167 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,168 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,168 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,169 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,170 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 104 [2018-04-13 06:05:59,175 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,187 INFO L267 ElimStorePlain]: Start of recursive call 21: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,196 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,255 INFO L267 ElimStorePlain]: Start of recursive call 19: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,328 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,710 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,733 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 184 treesize of output 182 [2018-04-13 06:05:59,736 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 189 treesize of output 191 [2018-04-13 06:05:59,739 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,741 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2018-04-13 06:05:59,743 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,744 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,745 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 76 [2018-04-13 06:05:59,750 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,751 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,752 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,753 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,754 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:05:59,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 104 [2018-04-13 06:05:59,760 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,775 INFO L267 ElimStorePlain]: Start of recursive call 26: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,782 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,826 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:05:59,954 INFO L267 ElimStorePlain]: Start of recursive call 23: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:06:00,195 INFO L267 ElimStorePlain]: Start of recursive call 1: 38 dim-0 vars, 4 dim-2 vars, End of recursive call: 35 dim-0 vars, and 4 xjuncts. [2018-04-13 06:06:00,195 INFO L202 ElimStorePlain]: Needed 27 recursive calls to eliminate 42 variables, input treesize:1247, output treesize:709 [2018-04-13 06:06:06,861 WARN L151 SmtUtils]: Spent 6492ms on a formula simplification. DAG size of input: 287 DAG size of output 145 [2018-04-13 06:06:06,882 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,893 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 181 treesize of output 165 [2018-04-13 06:06:06,898 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,899 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,899 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,900 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,901 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,902 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,902 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:06,903 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:06,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 165 [2018-04-13 06:06:06,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,078 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:07,079 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2018-04-13 06:06:07,079 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,214 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,214 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,216 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,216 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,218 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,219 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:07,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 130 [2018-04-13 06:06:07,225 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,346 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:07,346 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2018-04-13 06:06:07,347 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,400 INFO L267 ElimStorePlain]: Start of recursive call 2: 8 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,463 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 181 treesize of output 155 [2018-04-13 06:06:07,466 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,467 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,468 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,471 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,471 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,472 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,474 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,475 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,475 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:07,476 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,477 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,478 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,483 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,485 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,486 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:07,510 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 6 case distinctions, treesize of input 151 treesize of output 216 [2018-04-13 06:06:07,511 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,607 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:07,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 66 [2018-04-13 06:06:07,608 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,654 INFO L267 ElimStorePlain]: Start of recursive call 7: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:07,687 INFO L267 ElimStorePlain]: Start of recursive call 1: 20 dim-0 vars, 2 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 06:06:07,687 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 22 variables, input treesize:363, output treesize:46 [2018-04-13 06:06:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 48 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:06:07,753 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:06:07,753 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 06:06:07,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 06:06:07,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 06:06:07,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=543, Unknown=23, NotChecked=0, Total=650 [2018-04-13 06:06:07,754 INFO L87 Difference]: Start difference. First operand 51 states and 50 transitions. Second operand 26 states. [2018-04-13 06:06:09,021 WARN L151 SmtUtils]: Spent 456ms on a formula simplification. DAG size of input: 131 DAG size of output 111 [2018-04-13 06:06:09,859 WARN L151 SmtUtils]: Spent 347ms on a formula simplification. DAG size of input: 133 DAG size of output 116 [2018-04-13 06:06:11,941 WARN L151 SmtUtils]: Spent 1268ms on a formula simplification. DAG size of input: 142 DAG size of output 124 [2018-04-13 06:06:13,315 WARN L151 SmtUtils]: Spent 240ms on a formula simplification. DAG size of input: 98 DAG size of output 95 [2018-04-13 06:06:14,515 WARN L151 SmtUtils]: Spent 652ms on a formula simplification. DAG size of input: 98 DAG size of output 98 [2018-04-13 06:06:19,982 WARN L151 SmtUtils]: Spent 2527ms on a formula simplification. DAG size of input: 196 DAG size of output 192 [2018-04-13 06:06:26,252 WARN L151 SmtUtils]: Spent 5275ms on a formula simplification. DAG size of input: 210 DAG size of output 195 [2018-04-13 06:06:26,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:06:26,340 INFO L93 Difference]: Finished difference Result 50 states and 49 transitions. [2018-04-13 06:06:26,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 06:06:26,340 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 44 [2018-04-13 06:06:26,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:06:26,340 INFO L225 Difference]: With dead ends: 50 [2018-04-13 06:06:26,340 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 06:06:26,341 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=154, Invalid=1208, Unknown=44, NotChecked=0, Total=1406 [2018-04-13 06:06:26,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 06:06:26,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-13 06:06:26,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 06:06:26,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 49 transitions. [2018-04-13 06:06:26,343 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 49 transitions. Word has length 44 [2018-04-13 06:06:26,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:06:26,343 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 49 transitions. [2018-04-13 06:06:26,343 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 06:06:26,343 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 49 transitions. [2018-04-13 06:06:26,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-13 06:06:26,344 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 06:06:26,344 INFO L355 BasicCegarLoop]: trace histogram [8, 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] [2018-04-13 06:06:26,344 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr0RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr3RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr2RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr1RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr4RequiresViolation, __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__fooErr5RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr6AssertViolationMEMORY_FREE, mainErr7AssertViolationMEMORY_FREE, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr0RequiresViolation]=== [2018-04-13 06:06:26,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1494830845, now seen corresponding path program 1 times [2018-04-13 06:06:26,345 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-13 06:06:26,345 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-13 06:06:26,345 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:06:26,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:06:26,346 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-13 06:06:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:06:26,379 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 06:06:26,385 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-13 06:06:26,385 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-13 06:06:26,385 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-13 06:06:26,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-13 06:06:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 06:06:26,483 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-13 06:06:26,487 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 [2018-04-13 06:06:26,487 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,488 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,488 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-13 06:06:26,493 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:26,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 21 [2018-04-13 06:06:26,494 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,499 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:14 [2018-04-13 06:06:26,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:26,515 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:26,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 4 [2018-04-13 06:06:26,516 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,520 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,520 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2018-04-13 06:06:26,561 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 [2018-04-13 06:06:26,562 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 [2018-04-13 06:06:26,563 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,565 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,578 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,578 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:52, output treesize:53 [2018-04-13 06:06:26,621 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:26,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 43 [2018-04-13 06:06:26,624 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2018-04-13 06:06:26,624 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,629 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:26,644 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 [2018-04-13 06:06:26,646 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 20 treesize of output 14 [2018-04-13 06:06:26,647 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:26,652 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:26,660 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:26,661 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:56, output treesize:33 [2018-04-13 06:06:27,237 WARN L151 SmtUtils]: Spent 281ms on a formula simplification. DAG size of input: 126 DAG size of output 65 [2018-04-13 06:06:27,259 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 82 [2018-04-13 06:06:27,262 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,263 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,263 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:27,264 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,264 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:27,265 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,274 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,275 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,284 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 113 [2018-04-13 06:06:27,287 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,288 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,289 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,290 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:27,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 113 [2018-04-13 06:06:27,299 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,300 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,300 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,301 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,301 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:27,305 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 90 [2018-04-13 06:06:27,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,309 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:27,310 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 62 [2018-04-13 06:06:27,311 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,321 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,364 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,375 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,404 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 79 treesize of output 81 [2018-04-13 06:06:27,407 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,409 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2018-04-13 06:06:27,412 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,413 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,414 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,417 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 72 [2018-04-13 06:06:27,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,420 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,422 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:27,428 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 99 [2018-04-13 06:06:27,428 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,438 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,444 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,454 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,469 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:27,499 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:27,499 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 6 variables, input treesize:263, output treesize:143 [2018-04-13 06:06:34,490 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,491 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,492 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,493 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 98 [2018-04-13 06:06:34,495 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 84 [2018-04-13 06:06:34,523 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 76 [2018-04-13 06:06:34,526 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 70 [2018-04-13 06:06:34,526 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:34,537 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:34,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,540 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,540 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,541 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,541 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 98 [2018-04-13 06:06:34,544 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 86 [2018-04-13 06:06:34,544 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:34,558 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:34,576 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:06:34,598 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-13 06:06:34,655 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,657 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 94 [2018-04-13 06:06:34,661 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,662 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,663 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,664 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,665 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,666 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,672 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 43 [2018-04-13 06:06:34,673 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:34,690 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 20 treesize of output 14 [2018-04-13 06:06:34,690 INFO L267 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:34,697 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:34,699 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 104 treesize of output 82 [2018-04-13 06:06:34,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,702 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,702 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:34,703 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,703 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,704 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,704 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:34,710 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 65 [2018-04-13 06:06:34,711 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:34,727 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 20 treesize of output 14 [2018-04-13 06:06:34,728 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:34,736 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:34,774 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 2 xjuncts. [2018-04-13 06:06:34,774 INFO L202 ElimStorePlain]: Needed 13 recursive calls to eliminate 7 variables, input treesize:158, output treesize:98 [2018-04-13 06:06:45,913 WARN L151 SmtUtils]: Spent 653ms on a formula simplification. DAG size of input: 173 DAG size of output 102 [2018-04-13 06:06:45,919 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,928 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 156 treesize of output 164 [2018-04-13 06:06:45,972 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 165 treesize of output 167 [2018-04-13 06:06:45,976 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,977 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2018-04-13 06:06:45,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,981 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,991 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 67 [2018-04-13 06:06:45,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:45,998 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 87 [2018-04-13 06:06:46,011 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,030 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,040 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,069 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,214 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,308 INFO L267 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 1 dim-2 vars, End of recursive call: 11 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:46,308 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 12 variables, input treesize:392, output treesize:244 [2018-04-13 06:06:46,421 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,423 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,431 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 171 treesize of output 147 [2018-04-13 06:06:46,436 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,437 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,438 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,440 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,441 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,442 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,442 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:46,443 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,444 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,444 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:46,445 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,447 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,448 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:46,483 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 139 treesize of output 196 [2018-04-13 06:06:46,483 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-04-13 06:06:46,587 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:46,587 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,588 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,589 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,591 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,604 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 124 [2018-04-13 06:06:46,604 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,639 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,640 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,641 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,641 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:46,642 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,642 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,643 INFO L700 Elim1Store]: detected not equals via solver [2018-04-13 06:06:46,651 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 98 [2018-04-13 06:06:46,652 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,678 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:46,679 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 45 [2018-04-13 06:06:46,679 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,701 INFO L682 Elim1Store]: detected equality via solver [2018-04-13 06:06:46,701 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 41 [2018-04-13 06:06:46,701 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,713 INFO L267 ElimStorePlain]: Start of recursive call 2: 5 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 06:06:46,752 INFO L267 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-04-13 06:06:46,752 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 13 variables, input treesize:251, output treesize:79 [2018-04-13 06:06:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 43 refuted. 3 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 06:06:47,130 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 06:06:47,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-13 06:06:47,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-13 06:06:47,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-13 06:06:47,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=908, Unknown=44, NotChecked=0, Total=1056 [2018-04-13 06:06:47,131 INFO L87 Difference]: Start difference. First operand 50 states and 49 transitions. Second operand 33 states. [2018-04-13 06:06:50,264 WARN L151 SmtUtils]: Spent 431ms on a formula simplification. DAG size of input: 32 DAG size of output 30 [2018-04-13 06:06:50,775 WARN L151 SmtUtils]: Spent 448ms on a formula simplification. DAG size of input: 36 DAG size of output 34 [2018-04-13 06:06:51,299 WARN L151 SmtUtils]: Spent 470ms on a formula simplification. DAG size of input: 38 DAG size of output 36 [2018-04-13 06:07:44,229 WARN L151 SmtUtils]: Spent 139ms on a formula simplification. DAG size of input: 36 DAG size of output 32 [2018-04-13 06:07:44,620 WARN L151 SmtUtils]: Spent 335ms on a formula simplification. DAG size of input: 40 DAG size of output 36 [2018-04-13 06:07:45,162 WARN L151 SmtUtils]: Spent 482ms on a formula simplification. DAG size of input: 42 DAG size of output 38 [2018-04-13 06:08:07,291 WARN L151 SmtUtils]: Spent 196ms on a formula simplification. DAG size of input: 115 DAG size of output 87 [2018-04-13 06:08:16,219 WARN L151 SmtUtils]: Spent 189ms on a formula simplification. DAG size of input: 114 DAG size of output 94 [2018-04-13 06:08:25,989 WARN L151 SmtUtils]: Spent 439ms on a formula simplification. DAG size of input: 118 DAG size of output 97 [2018-04-13 06:08:32,761 WARN L151 SmtUtils]: Spent 2090ms on a formula simplification. DAG size of input: 116 DAG size of output 112 [2018-04-13 06:08:33,838 WARN L151 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 129 DAG size of output 123 [2018-04-13 06:08:37,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 06:08:37,183 INFO L93 Difference]: Finished difference Result 49 states and 48 transitions. [2018-04-13 06:08:37,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 06:08:37,183 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 49 [2018-04-13 06:08:37,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 06:08:37,184 INFO L225 Difference]: With dead ends: 49 [2018-04-13 06:08:37,184 INFO L226 Difference]: Without dead ends: 0 [2018-04-13 06:08:37,184 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 96.4s TimeCoverageRelationStatistics Valid=313, Invalid=2869, Unknown=124, NotChecked=0, Total=3306 [2018-04-13 06:08:37,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-13 06:08:37,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-13 06:08:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-13 06:08:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-13 06:08:37,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2018-04-13 06:08:37,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 06:08:37,185 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-13 06:08:37,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-13 06:08:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-13 06:08:37,185 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-13 06:08:37,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 06:08:37 BoogieIcfgContainer [2018-04-13 06:08:37,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 06:08:37,189 INFO L168 Benchmark]: Toolchain (without parser) took 445351.86 ms. Allocated memory was 398.5 MB in the beginning and 691.5 MB in the end (delta: 293.1 MB). Free memory was 334.9 MB in the beginning and 630.9 MB in the end (delta: -296.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 06:08:37,190 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 398.5 MB. Free memory is still 358.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 06:08:37,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.15 ms. Allocated memory is still 398.5 MB. Free memory was 334.9 MB in the beginning and 300.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 5.3 GB. [2018-04-13 06:08:37,190 INFO L168 Benchmark]: Boogie Preprocessor took 41.08 ms. Allocated memory is still 398.5 MB. Free memory was 300.6 MB in the beginning and 297.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-13 06:08:37,190 INFO L168 Benchmark]: RCFGBuilder took 420.74 ms. Allocated memory was 398.5 MB in the beginning and 600.8 MB in the end (delta: 202.4 MB). Free memory was 297.9 MB in the beginning and 522.5 MB in the end (delta: -224.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-04-13 06:08:37,190 INFO L168 Benchmark]: TraceAbstraction took 444636.17 ms. Allocated memory was 600.8 MB in the beginning and 691.5 MB in the end (delta: 90.7 MB). Free memory was 522.5 MB in the beginning and 630.9 MB in the end (delta: -108.5 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 06:08:37,191 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 398.5 MB. Free memory is still 358.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 251.15 ms. Allocated memory is still 398.5 MB. Free memory was 334.9 MB in the beginning and 300.6 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 41.08 ms. Allocated memory is still 398.5 MB. Free memory was 300.6 MB in the beginning and 297.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 420.74 ms. Allocated memory was 398.5 MB in the beginning and 600.8 MB in the end (delta: 202.4 MB). Free memory was 297.9 MB in the beginning and 522.5 MB in the end (delta: -224.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 444636.17 ms. Allocated memory was 600.8 MB in the beginning and 691.5 MB in the end (delta: 90.7 MB). Free memory was 522.5 MB in the beginning and 630.9 MB in the end (delta: -108.5 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 743]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 743]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 744]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 751]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 750]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 746]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 750]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 751]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 751]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 750]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 751]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 750]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 15 error locations. SAFE Result, 444.6s OverallTime, 16 OverallIterations, 9 TraceHistogramMax, 156.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 564 SDtfs, 322 SDslu, 1623 SDs, 0 SdLazy, 2321 SolverSat, 145 SolverUnsat, 159 SolverUnknown, 0 SolverNotchecked, 53.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 507 GetRequests, 294 SyntacticMatches, 7 SemanticMatches, 206 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 146.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 286.6s InterpolantComputationTime, 900 NumberOfCodeBlocks, 895 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 600 ConstructedInterpolants, 115 QuantifiedInterpolants, 576466 SizeOfPredicates, 54 NumberOfNonLiveVariables, 2144 ConjunctsInSsa, 289 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 130/349 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-memleak_nexttime_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_06-08-37-196.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-memleak_nexttime_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_06-08-37-196.csv Received shutdown request...