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 0.1.23-666feb3-m [2018-04-11 15:44:29,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 15:44:29,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 15:44:29,626 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 15:44:29,627 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 15:44:29,627 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 15:44:29,628 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 15:44:29,630 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 15:44:29,631 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 15:44:29,632 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 15:44:29,633 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 15:44:29,633 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 15:44:29,634 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 15:44:29,635 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 15:44:29,635 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 15:44:29,637 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 15:44:29,638 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 15:44:29,640 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 15:44:29,641 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 15:44:29,641 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 15:44:29,643 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-04-11 15:44:29,648 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 [2018-04-11 15:44:29,669 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 15:44:29,669 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 15:44:29,670 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-11 15:44:29,670 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-11 15:44:29,670 INFO L133 SettingsManager]: * Use SBE=true [2018-04-11 15:44:29,670 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 15:44:29,670 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 15:44:29,671 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 15:44:29,671 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 15:44:29,671 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 15:44:29,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 15:44:29,671 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 15:44:29,671 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-11 15:44:29,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 15:44:29,672 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 15:44:29,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 15:44:29,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-11 15:44:29,672 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-11 15:44:29,672 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 15:44:29,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 15:44:29,672 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 15:44:29,673 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 15:44:29,673 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 15:44:29,673 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-11 15:44:29,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 15:44:29,711 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 15:44:29,714 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 15:44:29,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 15:44:29,716 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 15:44:29,716 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 [2018-04-11 15:44:30,076 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7d7cc2726 [2018-04-11 15:44:30,212 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 15:44:30,212 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 15:44:30,212 INFO L168 CDTParser]: Scanning test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-11 15:44:30,221 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 15:44:30,221 INFO L215 ultiparseSymbolTable]: [2018-04-11 15:44:30,221 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 15:44:30,221 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-11 15:44:30,221 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 [2018-04-11 15:44:30,222 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,222 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,223 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,224 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,225 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,226 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,227 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,228 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,229 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,230 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,231 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,232 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 [2018-04-11 15:44:30,233 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 [2018-04-11 15:44:30,233 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 [2018-04-11 15:44:30,247 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG7d7cc2726 [2018-04-11 15:44:30,250 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 15:44:30,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 15:44:30,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 15:44:30,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 15:44:30,255 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 15:44:30,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f60e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30, skipping insertion in model container [2018-04-11 15:44:30,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,269 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:44:30,291 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 15:44:30,417 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:44:30,452 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 15:44:30,462 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 161 non ball SCCs. Number of states in SCCs 161. [2018-04-11 15:44:30,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30 WrapperNode [2018-04-11 15:44:30,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 15:44:30,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 15:44:30,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 15:44:30,503 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 15:44:30,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (1/1) ... [2018-04-11 15:44:30,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 15:44:30,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 15:44:30,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 15:44:30,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 15:44:30,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (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 [2018-04-11 15:44:30,632 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 15:44:30,632 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 15:44:30,632 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo [2018-04-11 15:44:30,632 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 15:44:30,633 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 15:44:30,633 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 15:44:30,634 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 15:44:30,635 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 15:44:30,636 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 15:44:30,637 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 15:44:30,638 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 15:44:30,640 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 15:44:30,641 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 15:44:30,642 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 15:44:30,643 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-11 15:44:30,644 INFO L128 BoogieDeclarations]: Found specification of procedure memmove [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure memccpy [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure memcmp [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure memchr [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure strcpy [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure strncpy [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure strcat [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure strncat [2018-04-11 15:44:30,645 INFO L128 BoogieDeclarations]: Found specification of procedure strcmp [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strncmp [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strcoll_l [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strxfrm_l [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strdup [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strndup [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strchr [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strrchr [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strcspn [2018-04-11 15:44:30,646 INFO L128 BoogieDeclarations]: Found specification of procedure strspn [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strpbrk [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strstr [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strtok [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure __strtok_r [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strtok_r [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strlen [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strnlen [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strerror [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_r [2018-04-11 15:44:30,647 INFO L128 BoogieDeclarations]: Found specification of procedure strerror_l [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure __bzero [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure bcopy [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure bzero [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure bcmp [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure index [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure rindex [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure ffs [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure strcasecmp [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure strncasecmp [2018-04-11 15:44:30,648 INFO L128 BoogieDeclarations]: Found specification of procedure strsep [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure strsignal [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure __stpcpy [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure stpcpy [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure __stpncpy [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure stpncpy [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_ftest_memleak_nexttime_true_valid_memsafety_true_termination_i__foo [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-04-11 15:44:30,649 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 15:44:30,650 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 15:44:30,837 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-11 15:44:30,935 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 15:44:30,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:44:30 BoogieIcfgContainer [2018-04-11 15:44:30,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 15:44:30,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 15:44:30,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 15:44:30,939 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 15:44:30,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 03:44:30" (1/3) ... [2018-04-11 15:44:30,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c42ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:44:30, skipping insertion in model container [2018-04-11 15:44:30,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 03:44:30" (2/3) ... [2018-04-11 15:44:30,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c42ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 03:44:30, skipping insertion in model container [2018-04-11 15:44:30,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 03:44:30" (3/3) ... [2018-04-11 15:44:30,941 INFO L107 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-04-11 15:44:30,947 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 15:44:30,953 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-04-11 15:44:30,981 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 15:44:30,981 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 15:44:30,982 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-11 15:44:30,982 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 15:44:30,982 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 15:44:30,982 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 15:44:30,982 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 15:44:30,982 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 15:44:30,982 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 15:44:30,983 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 15:44:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-04-11 15:44:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 15:44:30,998 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:30,999 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:44:30,999 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]=== [2018-04-11 15:44:31,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1920380317, now seen corresponding path program 1 times [2018-04-11 15:44:31,004 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:31,004 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:31,035 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,035 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,083 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:31,097 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:31,097 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:31,097 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:31,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,137 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:31,173 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 [2018-04-11 15:44:31,174 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,178 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,178 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:44:31,192 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 [2018-04-11 15:44:31,192 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,196 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. [2018-04-11 15:44:31,197 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2018-04-11 15:44:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:31,203 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:31,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 15:44:31,204 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:44:31,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:44:31,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:44:31,214 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 3 states. [2018-04-11 15:44:31,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:31,275 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions. [2018-04-11 15:44:31,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:44:31,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-04-11 15:44:31,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:31,285 INFO L225 Difference]: With dead ends: 52 [2018-04-11 15:44:31,285 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 15:44:31,287 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 [2018-04-11 15:44:31,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 15:44:31,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-11 15:44:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 15:44:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-04-11 15:44:31,320 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 14 [2018-04-11 15:44:31,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:31,320 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-04-11 15:44:31,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:44:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-04-11 15:44:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-11 15:44:31,321 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:31,321 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:44:31,321 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]=== [2018-04-11 15:44:31,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1920380316, now seen corresponding path program 1 times [2018-04-11 15:44:31,322 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:31,322 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:31,323 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,323 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,341 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:31,350 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:31,350 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:31,350 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:31,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,375 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:31,381 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 [2018-04-11 15:44:31,381 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,395 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 [2018-04-11 15:44:31,395 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,400 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,400 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 15:44:31,418 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:31,419 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:31,420 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 [2018-04-11 15:44:31,421 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,432 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:31,435 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:31,436 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 [2018-04-11 15:44:31,436 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,442 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. [2018-04-11 15:44:31,442 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:25, output treesize:14 [2018-04-11 15:44:31,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:31,461 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:31,461 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:44:31,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:44:31,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:44:31,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:44:31,463 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 4 states. [2018-04-11 15:44:31,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:31,534 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-04-11 15:44:31,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:44:31,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-11 15:44:31,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:31,535 INFO L225 Difference]: With dead ends: 47 [2018-04-11 15:44:31,535 INFO L226 Difference]: Without dead ends: 47 [2018-04-11 15:44:31,536 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 [2018-04-11 15:44:31,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-11 15:44:31,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-11 15:44:31,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-11 15:44:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-04-11 15:44:31,538 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 14 [2018-04-11 15:44:31,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:31,539 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-04-11 15:44:31,539 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:44:31,539 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-04-11 15:44:31,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:44:31,539 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:31,539 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:44:31,539 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]=== [2018-04-11 15:44:31,540 INFO L82 PathProgramCache]: Analyzing trace with hash 597752329, now seen corresponding path program 1 times [2018-04-11 15:44:31,540 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:31,540 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:31,543 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,544 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,556 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:31,558 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:31,558 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:31,558 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:31,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,580 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:31,583 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:44:31,583 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,584 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,585 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:44:31,590 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 [2018-04-11 15:44:31,591 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,593 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,594 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-04-11 15:44:31,607 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 [2018-04-11 15:44:31,608 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,623 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. [2018-04-11 15:44:31,623 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:16 [2018-04-11 15:44:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:31,632 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:31,632 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:44:31,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:44:31,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:44:31,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:44:31,633 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 4 states. [2018-04-11 15:44:31,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:31,707 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-11 15:44:31,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:44:31,708 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-11 15:44:31,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:31,708 INFO L225 Difference]: With dead ends: 51 [2018-04-11 15:44:31,709 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 15:44:31,709 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 [2018-04-11 15:44:31,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 15:44:31,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 15:44:31,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 15:44:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-11 15:44:31,713 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 15 [2018-04-11 15:44:31,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:31,713 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-11 15:44:31,713 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:44:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-11 15:44:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 15:44:31,713 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:31,713 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 15:44:31,713 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]=== [2018-04-11 15:44:31,713 INFO L82 PathProgramCache]: Analyzing trace with hash 597752331, now seen corresponding path program 1 times [2018-04-11 15:44:31,713 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:31,713 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:31,714 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,715 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,728 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:31,734 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:31,734 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:31,734 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:31,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,755 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:31,764 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2018-04-11 15:44:31,764 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,768 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 15:44:31,783 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2018-04-11 15:44:31,784 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:31,790 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. [2018-04-11 15:44:31,791 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:14 [2018-04-11 15:44:31,800 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:31,809 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 [2018-04-11 15:44:31,810 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-11 15:44:31,819 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. [2018-04-11 15:44:31,819 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:24 [2018-04-11 15:44:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:31,832 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:31,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-11 15:44:31,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:44:31,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:44:31,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:44:31,833 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 4 states. [2018-04-11 15:44:31,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:31,880 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-11 15:44:31,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:44:31,881 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-11 15:44:31,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:31,882 INFO L225 Difference]: With dead ends: 50 [2018-04-11 15:44:31,882 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 15:44:31,882 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 [2018-04-11 15:44:31,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 15:44:31,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 15:44:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 15:44:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-04-11 15:44:31,886 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 15 [2018-04-11 15:44:31,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:31,886 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-04-11 15:44:31,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:44:31,886 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-04-11 15:44:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 15:44:31,887 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:31,887 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] [2018-04-11 15:44:31,887 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]=== [2018-04-11 15:44:31,887 INFO L82 PathProgramCache]: Analyzing trace with hash -450250314, now seen corresponding path program 1 times [2018-04-11 15:44:31,887 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:31,887 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:31,888 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,888 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,899 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:31,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:31,929 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:31,929 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 15:44:31,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:44:31,929 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:44:31,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:44:31,929 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 3 states. [2018-04-11 15:44:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:31,949 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-04-11 15:44:31,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:44:31,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2018-04-11 15:44:31,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:31,950 INFO L225 Difference]: With dead ends: 48 [2018-04-11 15:44:31,950 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 15:44:31,950 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 [2018-04-11 15:44:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 15:44:31,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-11 15:44:31,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-11 15:44:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2018-04-11 15:44:31,953 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 27 [2018-04-11 15:44:31,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:31,954 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2018-04-11 15:44:31,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:44:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-04-11 15:44:31,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-11 15:44:31,955 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:31,955 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] [2018-04-11 15:44:31,955 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]=== [2018-04-11 15:44:31,955 INFO L82 PathProgramCache]: Analyzing trace with hash -450250313, now seen corresponding path program 1 times [2018-04-11 15:44:31,956 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:31,956 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:31,956 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,956 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,966 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:31,972 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:31,973 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:31,973 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:31,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:31,988 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:31,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:32,000 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:32,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-11 15:44:32,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 15:44:32,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 15:44:32,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 15:44:32,001 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 4 states. [2018-04-11 15:44:32,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:32,021 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2018-04-11 15:44:32,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 15:44:32,021 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-04-11 15:44:32,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:32,022 INFO L225 Difference]: With dead ends: 54 [2018-04-11 15:44:32,022 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 15:44:32,022 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 [2018-04-11 15:44:32,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 15:44:32,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 15:44:32,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 15:44:32,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-04-11 15:44:32,025 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 27 [2018-04-11 15:44:32,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:32,026 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-04-11 15:44:32,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 15:44:32,026 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-04-11 15:44:32,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-11 15:44:32,026 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:32,027 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] [2018-04-11 15:44:32,027 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]=== [2018-04-11 15:44:32,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1069825814, now seen corresponding path program 1 times [2018-04-11 15:44:32,027 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:32,027 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:32,028 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:32,028 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:32,040 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:32,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:32,084 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:32,084 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:32,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:32,101 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:32,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:32,124 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:44:32,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2018-04-11 15:44:32,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 15:44:32,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 15:44:32,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-11 15:44:32,125 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 8 states. [2018-04-11 15:44:32,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:32,160 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2018-04-11 15:44:32,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 15:44:32,162 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2018-04-11 15:44:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:32,163 INFO L225 Difference]: With dead ends: 56 [2018-04-11 15:44:32,163 INFO L226 Difference]: Without dead ends: 52 [2018-04-11 15:44:32,163 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 [2018-04-11 15:44:32,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-11 15:44:32,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-11 15:44:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 15:44:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-04-11 15:44:32,166 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 28 [2018-04-11 15:44:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:32,167 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-04-11 15:44:32,167 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 15:44:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-04-11 15:44:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 15:44:32,167 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:32,167 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] [2018-04-11 15:44:32,168 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]=== [2018-04-11 15:44:32,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1198170135, now seen corresponding path program 2 times [2018-04-11 15:44:32,168 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:32,168 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:32,169 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:32,169 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:32,182 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:32,188 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:32,188 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:32,188 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:32,188 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:44:32,204 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-11 15:44:32,204 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:44:32,207 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:32,210 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:44:32,210 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,212 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,212 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 15:44:32,217 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 [2018-04-11 15:44:32,218 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,219 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,219 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:9, output treesize:3 [2018-04-11 15:44:32,241 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,242 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 [2018-04-11 15:44:32,245 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 [2018-04-11 15:44:32,245 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,249 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,252 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. [2018-04-11 15:44:32,252 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:11 [2018-04-11 15:44:32,284 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 [2018-04-11 15:44:32,290 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,291 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,291 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 [2018-04-11 15:44:32,295 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 [2018-04-11 15:44:32,299 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,304 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 [2018-04-11 15:44:32,304 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-04-11 15:44:32,315 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:44:32,334 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 15:44:32,342 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. [2018-04-11 15:44:32,343 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:23, output treesize:28 [2018-04-11 15:44:32,364 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,367 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,372 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 [2018-04-11 15:44:32,373 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-11 15:44:32,384 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. [2018-04-11 15:44:32,385 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:32 [2018-04-11 15:44:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 15:44:32,420 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:32,420 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-04-11 15:44:32,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 15:44:32,421 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 15:44:32,421 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=49, Unknown=2, NotChecked=14, Total=90 [2018-04-11 15:44:32,421 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 10 states. [2018-04-11 15:44:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:32,572 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-11 15:44:32,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 15:44:32,572 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-04-11 15:44:32,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:32,573 INFO L225 Difference]: With dead ends: 51 [2018-04-11 15:44:32,573 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 15:44:32,573 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 [2018-04-11 15:44:32,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 15:44:32,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 15:44:32,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 15:44:32,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-11 15:44:32,575 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 29 [2018-04-11 15:44:32,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:32,576 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-11 15:44:32,576 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 15:44:32,576 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-11 15:44:32,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 15:44:32,576 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:32,576 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] [2018-04-11 15:44:32,577 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]=== [2018-04-11 15:44:32,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1198170136, now seen corresponding path program 1 times [2018-04-11 15:44:32,577 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:32,577 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:32,577 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,577 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:44:32,577 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:32,590 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:32,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-04-11 15:44:32,613 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:32,613 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-11 15:44:32,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 15:44:32,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 15:44:32,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 15:44:32,613 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 3 states. [2018-04-11 15:44:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:32,631 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-04-11 15:44:32,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 15:44:32,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2018-04-11 15:44:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:32,631 INFO L225 Difference]: With dead ends: 49 [2018-04-11 15:44:32,632 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 15:44:32,632 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 [2018-04-11 15:44:32,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 15:44:32,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-11 15:44:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-11 15:44:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-04-11 15:44:32,634 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 29 [2018-04-11 15:44:32,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:32,634 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-04-11 15:44:32,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 15:44:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-04-11 15:44:32,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-11 15:44:32,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:32,634 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] [2018-04-11 15:44:32,634 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]=== [2018-04-11 15:44:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1198170137, now seen corresponding path program 1 times [2018-04-11 15:44:32,635 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:32,635 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:32,635 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:32,635 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:32,647 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:32,731 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:32,731 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:32,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:32,747 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 15:44:32,770 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:44:32,771 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2018-04-11 15:44:32,771 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 15:44:32,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 15:44:32,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-04-11 15:44:32,771 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 10 states. [2018-04-11 15:44:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:32,802 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2018-04-11 15:44:32,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-11 15:44:32,803 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2018-04-11 15:44:32,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:32,804 INFO L225 Difference]: With dead ends: 55 [2018-04-11 15:44:32,804 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 15:44:32,804 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 [2018-04-11 15:44:32,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 15:44:32,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 15:44:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 15:44:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-04-11 15:44:32,807 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 29 [2018-04-11 15:44:32,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:32,807 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-04-11 15:44:32,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 15:44:32,808 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-04-11 15:44:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-11 15:44:32,808 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:32,808 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] [2018-04-11 15:44:32,808 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]=== [2018-04-11 15:44:32,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1508399476, now seen corresponding path program 2 times [2018-04-11 15:44:32,809 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:32,809 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:32,809 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:32,809 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:32,829 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:32,833 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:32,833 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:32,833 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:32,834 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:44:32,846 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2018-04-11 15:44:32,846 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:44:32,849 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:32,854 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-11 15:44:32,854 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,859 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 [2018-04-11 15:44:32,859 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,862 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,862 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-04-11 15:44:32,869 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 [2018-04-11 15:44:32,869 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,873 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 [2018-04-11 15:44:32,874 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,877 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,877 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:10 [2018-04-11 15:44:32,915 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 [2018-04-11 15:44:32,918 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,919 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 [2018-04-11 15:44:32,919 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,923 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,929 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,930 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 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 [2018-04-11 15:44:32,931 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:32,936 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. [2018-04-11 15:44:32,936 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:26, output treesize:14 [2018-04-11 15:44:32,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:32,997 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 [2018-04-11 15:44:33,001 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,002 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,002 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 [2018-04-11 15:44:33,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:33,011 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:33,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,020 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,021 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,022 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,023 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,023 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 [2018-04-11 15:44:33,024 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:33,032 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. [2018-04-11 15:44:33,032 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:36, output treesize:23 [2018-04-11 15:44:33,051 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,052 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,054 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:33,059 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 [2018-04-11 15:44:33,060 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-11 15:44:33,084 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. [2018-04-11 15:44:33,084 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:29, output treesize:60 [2018-04-11 15:44:33,796 WARN L151 SmtUtils]: Spent 684ms on a formula simplification. DAG size of input: 41 DAG size of output 37 [2018-04-11 15:44:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-11 15:44:33,800 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-11 15:44:33,800 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-04-11 15:44:33,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-11 15:44:33,801 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-11 15:44:33,801 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=51, Unknown=3, NotChecked=0, Total=72 [2018-04-11 15:44:33,801 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 9 states. [2018-04-11 15:44:34,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:34,152 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-11 15:44:34,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-11 15:44:34,152 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-04-11 15:44:34,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:34,152 INFO L225 Difference]: With dead ends: 50 [2018-04-11 15:44:34,152 INFO L226 Difference]: Without dead ends: 50 [2018-04-11 15:44:34,153 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=47, Invalid=157, Unknown=6, NotChecked=0, Total=210 [2018-04-11 15:44:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-11 15:44:34,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-11 15:44:34,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-11 15:44:34,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2018-04-11 15:44:34,156 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 30 [2018-04-11 15:44:34,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:34,156 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2018-04-11 15:44:34,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-11 15:44:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-04-11 15:44:34,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-11 15:44:34,156 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:34,157 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] [2018-04-11 15:44:34,157 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]=== [2018-04-11 15:44:34,157 INFO L82 PathProgramCache]: Analyzing trace with hash -679178184, now seen corresponding path program 1 times [2018-04-11 15:44:34,157 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:34,157 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:34,157 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:34,157 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:44:34,157 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:34,178 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:34,238 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-04-11 15:44:34,239 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:34,239 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:34,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:34,262 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:34,295 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-04-11 15:44:34,295 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:44:34,296 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-04-11 15:44:34,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-11 15:44:34,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-11 15:44:34,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2018-04-11 15:44:34,297 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 12 states. [2018-04-11 15:44:34,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:44:34,326 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2018-04-11 15:44:34,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-11 15:44:34,326 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 41 [2018-04-11 15:44:34,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:44:34,327 INFO L225 Difference]: With dead ends: 56 [2018-04-11 15:44:34,327 INFO L226 Difference]: Without dead ends: 52 [2018-04-11 15:44:34,327 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 [2018-04-11 15:44:34,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-11 15:44:34,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-11 15:44:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-11 15:44:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2018-04-11 15:44:34,330 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 41 [2018-04-11 15:44:34,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:44:34,330 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2018-04-11 15:44:34,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-11 15:44:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2018-04-11 15:44:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-11 15:44:34,331 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:44:34,331 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] [2018-04-11 15:44:34,331 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]=== [2018-04-11 15:44:34,332 INFO L82 PathProgramCache]: Analyzing trace with hash -155753218, now seen corresponding path program 2 times [2018-04-11 15:44:34,332 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:44:34,332 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:44:34,332 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:34,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:44:34,333 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:44:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:44:34,405 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:44:34,414 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:44:34,414 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:44:34,414 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:44:34,415 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-04-11 15:44:34,620 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-04-11 15:44:34,621 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:44:34,626 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:44:34,655 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 [2018-04-11 15:44:34,657 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 [2018-04-11 15:44:34,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:34,658 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:34,662 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:34,662 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2018-04-11 15:44:35,141 WARN L151 SmtUtils]: Spent 234ms on a formula simplification. DAG size of input: 101 DAG size of output 39 [2018-04-11 15:44:35,156 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 [2018-04-11 15:44:35,179 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,180 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,183 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,184 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,185 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,186 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,187 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,188 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,188 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:35,189 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,195 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:35,207 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 [2018-04-11 15:44:35,215 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,216 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,217 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,218 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:35,219 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,226 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 [2018-04-11 15:44:35,231 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,232 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:35,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,238 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 [2018-04-11 15:44:35,242 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,242 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:35,245 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 [2018-04-11 15:44:35,245 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,254 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,264 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,281 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,297 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 [2018-04-11 15:44:35,308 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,310 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 [2018-04-11 15:44:35,313 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,314 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,315 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,320 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 [2018-04-11 15:44:35,323 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,324 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,325 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,326 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,326 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,327 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:35,337 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 [2018-04-11 15:44:35,337 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,352 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,359 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,365 INFO L267 ElimStorePlain]: Start of recursive call 7: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,374 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:35,385 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. [2018-04-11 15:44:35,385 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:205, output treesize:82 [2018-04-11 15:44:44,978 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 [2018-04-11 15:44:44,983 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:44,992 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:44,993 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:44,994 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:44,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:44,995 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:44,996 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:44,996 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:44,997 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:45,003 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 [2018-04-11 15:44:45,003 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:45,019 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 [2018-04-11 15:44:45,020 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:45,024 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 [2018-04-11 15:44:45,024 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:45,034 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:45,041 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:45,041 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:85, output treesize:7 [2018-04-11 15:44:55,175 WARN L151 SmtUtils]: Spent 430ms on a formula simplification. DAG size of input: 128 DAG size of output 67 [2018-04-11 15:44:55,213 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 [2018-04-11 15:44:55,221 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 [2018-04-11 15:44:55,224 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,225 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 [2018-04-11 15:44:55,228 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,229 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,230 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,234 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 [2018-04-11 15:44:55,237 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,238 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,238 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,239 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,240 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,240 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,247 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 [2018-04-11 15:44:55,247 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,260 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,267 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,284 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,416 INFO L267 ElimStorePlain]: Start of recursive call 2: 4 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,448 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. [2018-04-11 15:44:55,449 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:274, output treesize:152 [2018-04-11 15:44:55,517 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 [2018-04-11 15:44:55,524 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,525 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,526 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,527 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,528 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,528 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,529 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,530 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,530 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,531 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,532 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,533 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,534 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,534 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,535 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,535 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,536 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,537 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,538 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,539 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,540 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,540 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,541 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,541 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,541 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,542 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,542 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,543 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,544 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,545 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:44:55,545 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,546 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,546 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,547 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,547 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 15:44:55,640 INFO L303 Elim1Store]: Index analysis took 119 ms [2018-04-11 15:44:55,641 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 [2018-04-11 15:44:55,642 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,744 INFO L267 ElimStorePlain]: Start of recursive call 2: 13 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,755 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:44:55,755 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:159, output treesize:7 [2018-04-11 15:44:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 42 refuted. 3 times theorem prover too weak. 4 trivial. 0 not checked. [2018-04-11 15:44:55,789 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-11 15:44:55,790 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-11 15:44:55,790 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-11 15:44:55,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-11 15:44:55,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=361, Unknown=35, NotChecked=0, Total=462 [2018-04-11 15:44:55,790 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 22 states. [2018-04-11 15:45:22,885 WARN L148 SmtUtils]: Spent 100ms on a formula simplification that was a NOOP. DAG size: 72 [2018-04-11 15:45:33,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:45:33,542 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2018-04-11 15:45:33,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-11 15:45:33,542 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 43 [2018-04-11 15:45:33,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:45:33,544 INFO L225 Difference]: With dead ends: 79 [2018-04-11 15:45:33,544 INFO L226 Difference]: Without dead ends: 79 [2018-04-11 15:45:33,544 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=151, Invalid=983, Unknown=56, NotChecked=0, Total=1190 [2018-04-11 15:45:33,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-11 15:45:33,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 68. [2018-04-11 15:45:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-11 15:45:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2018-04-11 15:45:33,549 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 43 [2018-04-11 15:45:33,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:45:33,549 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2018-04-11 15:45:33,549 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-11 15:45:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2018-04-11 15:45:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 15:45:33,550 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:45:33,550 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] [2018-04-11 15:45:33,550 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]=== [2018-04-11 15:45:33,550 INFO L82 PathProgramCache]: Analyzing trace with hash 615687729, now seen corresponding path program 3 times [2018-04-11 15:45:33,550 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:45:33,550 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:45:33,550 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:45:33,550 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:45:33,551 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:45:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:45:33,574 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:45:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 11 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-04-11 15:45:33,638 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:45:33,638 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:45:33,638 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-04-11 15:45:33,668 INFO L242 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2018-04-11 15:45:33,668 INFO L243 tOrderPrioritization]: Conjunction of SSA is unsat [2018-04-11 15:45:33,672 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:45:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-04-11 15:45:33,733 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 15:45:33,733 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-04-11 15:45:33,733 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-11 15:45:33,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-11 15:45:33,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2018-04-11 15:45:33,733 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 14 states. [2018-04-11 15:45:33,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 15:45:33,760 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2018-04-11 15:45:33,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-11 15:45:33,761 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 44 [2018-04-11 15:45:33,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 15:45:33,761 INFO L225 Difference]: With dead ends: 57 [2018-04-11 15:45:33,761 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 15:45:33,761 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2018-04-11 15:45:33,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 15:45:33,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-11 15:45:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-11 15:45:33,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 50 transitions. [2018-04-11 15:45:33,763 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 50 transitions. Word has length 44 [2018-04-11 15:45:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 15:45:33,763 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 50 transitions. [2018-04-11 15:45:33,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-11 15:45:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 50 transitions. [2018-04-11 15:45:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-11 15:45:33,764 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 15:45:33,764 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] [2018-04-11 15:45:33,764 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]=== [2018-04-11 15:45:33,764 INFO L82 PathProgramCache]: Analyzing trace with hash -533382402, now seen corresponding path program 1 times [2018-04-11 15:45:33,764 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-04-11 15:45:33,764 INFO L68 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-04-11 15:45:33,765 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:45:33,765 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-04-11 15:45:33,765 INFO L119 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-04-11 15:45:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:45:33,832 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-11 15:45:33,843 INFO L431 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown lemma type! [2018-04-11 15:45:33,843 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-04-11 15:45:33,843 INFO L213 ckRefinementStrategy]: Switched to mode SMTINTERPOL_FP [2018-04-11 15:45:33,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-04-11 15:45:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 15:45:33,918 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 15:45:33,926 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 [2018-04-11 15:45:33,926 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:33,933 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 [2018-04-11 15:45:33,933 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:33,939 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:33,939 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:19, output treesize:17 [2018-04-11 15:45:33,949 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:33,950 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:33,951 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 [2018-04-11 15:45:33,952 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:33,962 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:33,963 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 [2018-04-11 15:45:33,964 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:33,973 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:33,973 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:34, output treesize:27 [2018-04-11 15:45:33,989 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 [2018-04-11 15:45:33,991 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 [2018-04-11 15:45:33,992 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:33,993 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,003 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:38, output treesize:35 [2018-04-11 15:45:34,019 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 [2018-04-11 15:45:34,021 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 [2018-04-11 15:45:34,022 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:45:34,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:45:34,034 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. [2018-04-11 15:45:34,034 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:35, output treesize:27 [2018-04-11 15:45:34,674 WARN L151 SmtUtils]: Spent 362ms on a formula simplification. DAG size of input: 126 DAG size of output 61 [2018-04-11 15:45:34,678 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,679 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,680 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,682 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,683 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,683 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 [2018-04-11 15:45:34,684 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,731 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 [2018-04-11 15:45:34,736 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 79 treesize of output 81 [2018-04-11 15:45:34,740 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,741 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 52 treesize of output 61 [2018-04-11 15:45:34,747 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,748 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,752 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 [2018-04-11 15:45:34,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,755 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,756 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,757 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,757 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,758 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,763 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 [2018-04-11 15:45:34,763 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,773 INFO L267 ElimStorePlain]: Start of recursive call 6: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,780 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,789 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,814 INFO L267 ElimStorePlain]: Start of recursive call 3: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,837 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. [2018-04-11 15:45:34,837 INFO L202 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:262, output treesize:127 [2018-04-11 15:45:34,888 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,889 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 [2018-04-11 15:45:34,889 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:34,908 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. [2018-04-11 15:45:34,908 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:107, output treesize:93 [2018-04-11 15:45:34,982 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,984 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:34,988 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 [2018-04-11 15:45:34,988 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2018-04-11 15:45:35,014 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. [2018-04-11 15:45:35,014 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:102, output treesize:206 [2018-04-11 15:45:35,092 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 [2018-04-11 15:45:35,095 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,096 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,096 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,097 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,097 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,098 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,101 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 [2018-04-11 15:45:35,101 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:35,133 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 [2018-04-11 15:45:35,134 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:45:35,157 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 [2018-04-11 15:45:35,158 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:45:35,181 INFO L267 ElimStorePlain]: Start of recursive call 2: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-11 15:45:35,230 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 [2018-04-11 15:45:35,232 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,233 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,234 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,234 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,235 INFO L700 Elim1Store]: detected not equals via solver [2018-04-11 15:45:35,238 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 [2018-04-11 15:45:35,239 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-11 15:45:35,273 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 [2018-04-11 15:45:35,274 INFO L267 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:45:35,298 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 [2018-04-11 15:45:35,299 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-04-11 15:45:35,336 INFO L267 ElimStorePlain]: Start of recursive call 6: 3 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-04-11 15:45:35,389 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. [2018-04-11 15:45:35,389 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:206, output treesize:107 Received shutdown request... [2018-04-11 15:48:12,837 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-04-11 15:48:12,838 WARN L519 AbstractCegarLoop]: Verification canceled [2018-04-11 15:48:12,840 WARN L197 ceAbstractionStarter]: Timeout [2018-04-11 15:48:12,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 03:48:12 BoogieIcfgContainer [2018-04-11 15:48:12,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 15:48:12,841 INFO L168 Benchmark]: Toolchain (without parser) took 222590.35 ms. Allocated memory was 404.2 MB in the beginning and 699.4 MB in the end (delta: 295.2 MB). Free memory was 335.7 MB in the beginning and 514.4 MB in the end (delta: -178.7 MB). Peak memory consumption was 116.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:48:12,841 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 404.2 MB. Free memory is still 362.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 15:48:12,841 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.81 ms. Allocated memory is still 404.2 MB. Free memory was 335.7 MB in the beginning and 301.2 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 5.3 GB. [2018-04-11 15:48:12,842 INFO L168 Benchmark]: Boogie Preprocessor took 40.34 ms. Allocated memory is still 404.2 MB. Free memory was 301.2 MB in the beginning and 298.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-04-11 15:48:12,842 INFO L168 Benchmark]: RCFGBuilder took 392.65 ms. Allocated memory was 404.2 MB in the beginning and 589.8 MB in the end (delta: 185.6 MB). Free memory was 298.6 MB in the beginning and 513.4 MB in the end (delta: -214.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. [2018-04-11 15:48:12,842 INFO L168 Benchmark]: TraceAbstraction took 221903.92 ms. Allocated memory was 589.8 MB in the beginning and 699.4 MB in the end (delta: 109.6 MB). Free memory was 513.4 MB in the beginning and 514.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 108.5 MB. Max. memory is 5.3 GB. [2018-04-11 15:48:12,843 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 404.2 MB. Free memory is still 362.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 250.81 ms. Allocated memory is still 404.2 MB. Free memory was 335.7 MB in the beginning and 301.2 MB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.34 ms. Allocated memory is still 404.2 MB. Free memory was 301.2 MB in the beginning and 298.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 392.65 ms. Allocated memory was 404.2 MB in the beginning and 589.8 MB in the end (delta: 185.6 MB). Free memory was 298.6 MB in the beginning and 513.4 MB in the end (delta: -214.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 221903.92 ms. Allocated memory was 589.8 MB in the beginning and 699.4 MB in the end (delta: 109.6 MB). Free memory was 513.4 MB in the beginning and 514.4 MB in the end (delta: -1.0 MB). Peak memory consumption was 108.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 743]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 743). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 744]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 744). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 744]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 744). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 743]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 743). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 744]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 744). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 744]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 744). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 751]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 751). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 750]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 750). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 746]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 746). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 750]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 750). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 751]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 751). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 751]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 751). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 750]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 750). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 751]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 751). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - TimeoutResultAtElement [Line: 750]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 750). Cancelled while BasicCegarLoop was analyzing trace of length 45 with TraceHistMax 8, while TraceCheckSpWp was constructing forward predicates, while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations, while SimplifyDDAWithTimeout was simplifying term of DAG size 538. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 15 error locations. TIMEOUT Result, 221.8s OverallTime, 15 OverallIterations, 9 TraceHistogramMax, 38.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 527 SDtfs, 246 SDslu, 1397 SDs, 0 SdLazy, 986 SolverSat, 93 SolverUnsat, 50 SolverUnknown, 0 SolverNotchecked, 23.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 380 GetRequests, 259 SyntacticMatches, 6 SemanticMatches, 115 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 28.8s 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, 14 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 23.1s InterpolantComputationTime, 714 NumberOfCodeBlocks, 709 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 509 ConstructedInterpolants, 52 QuantifiedInterpolants, 154170 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1684 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 18 InterpolantComputations, 9 PerfectInterpolantSequences, 127/251 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout 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-0-2018-04-11_15-48-12-850.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-0-2018-04-11_15-48-12-850.csv Completed graceful shutdown