java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-835382a-m [2018-04-05 15:15:59,600 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-05 15:15:59,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-05 15:15:59,660 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-05 15:15:59,665 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-05 15:15:59,677 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-05 15:15:59,687 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-05 15:15:59,701 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-05 15:15:59,721 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-05 15:15:59,732 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-05 15:15:59,734 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-05 15:15:59,734 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-05 15:15:59,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-05 15:15:59,757 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-05 15:15:59,769 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-05 15:15:59,776 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-05 15:15:59,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-05 15:15:59,800 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-05 15:15:59,801 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-05 15:15:59,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-05 15:15:59,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-05 15:15:59,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-05 15:15:59,831 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-05 15:15:59,836 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-05 15:15:59,843 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-05 15:15:59,850 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-05 15:15:59,850 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-05 15:15:59,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-05 15:15:59,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-05 15:15:59,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-05 15:15:59,861 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-05 15:15:59,862 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf [2018-04-05 15:15:59,959 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-05 15:15:59,959 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-05 15:15:59,960 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-05 15:15:59,960 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-05 15:15:59,961 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-05 15:15:59,961 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-05 15:15:59,962 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-05 15:15:59,963 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-05 15:15:59,963 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-05 15:15:59,967 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-05 15:15:59,968 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-05 15:15:59,968 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-05 15:15:59,968 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-05 15:15:59,968 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-05 15:15:59,969 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-05 15:15:59,969 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-05 15:15:59,969 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-05 15:15:59,969 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-05 15:15:59,969 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-05 15:15:59,970 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-05 15:15:59,970 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-05 15:15:59,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-05 15:15:59,970 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-05 15:15:59,970 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-05 15:15:59,972 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-05 15:15:59,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:15:59,972 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-05 15:15:59,973 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-05 15:15:59,973 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-05 15:15:59,973 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-05 15:15:59,973 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-05 15:15:59,973 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:15:59,974 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-05 15:15:59,975 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-05 15:15:59,975 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-05 15:15:59,975 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-05 15:15:59,975 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-05 15:16:00,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-05 15:16:00,132 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-05 15:16:00,148 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-05 15:16:00,150 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-05 15:16:00,151 INFO L276 PluginConnector]: CDTParser initialized [2018-04-05 15:16:00,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:00,259 ERROR L339 mateJobChangeAdapter]: Error during toolchain job processing: java.io.FileNotFoundException: /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/.metadata/.plugins/org.eclipse.core.resources/.projects/FLAG2f7b46343/.markers.snap (No such file or directory) at java.io.FileOutputStream.open0(Native Method) at java.io.FileOutputStream.open(FileOutputStream.java:270) at java.io.FileOutputStream.(FileOutputStream.java:213) at java.io.FileOutputStream.(FileOutputStream.java:133) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:45) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:41) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1769) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1853) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1222) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1163) at org.eclipse.core.internal.resources.DelayedSnapshotJob.run(DelayedSnapshotJob.java:52) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-05 15:16:00,643 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG90c7aec18 [2018-04-05 15:16:01,174 INFO L287 CDTParser]: IsIndexed: true [2018-04-05 15:16:01,175 INFO L288 CDTParser]: Found 1 translation units. [2018-04-05 15:16:01,175 INFO L168 CDTParser]: Scanning cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,215 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-05 15:16:01,216 INFO L215 ultiparseSymbolTable]: [2018-04-05 15:16:01,216 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-05 15:16:01,216 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 ('__bswap_32') in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,216 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 ('__bswap_64') in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,216 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,217 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ ('') in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,224 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String ('build_nondet_String') in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,225 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-05 15:16:01,225 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,225 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____pthread_list_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,225 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_barrierattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,225 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,225 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,225 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_long in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_char in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____dev_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,226 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_long in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_set in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ino_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_rwlockattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,227 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ulong in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,228 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_short in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____daddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__mode_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_int in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____WAIT_STATUS in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____syscall_slong_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__dev_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_condattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____loff_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__time_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_rwlock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____qaddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blksize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsfilcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____useconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_mutex_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ino_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____time_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__loff_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ushort in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__timer_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__register_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_once_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__off_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__nlink_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fd_mask in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsfilcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,245 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____sig_atomic_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__id_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____mode_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____blkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsword_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_short in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uint in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,246 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__gid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__ssize_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__caddr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_spinlock_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____rlim_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,247 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____clockid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____sigset_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__key_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__fsblkcnt_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____timer_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____uint32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__div_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____intptr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,248 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____int32_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__u_int8_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,249 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_cond_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__size_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__int16_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____syscall_ulong_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____gid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____id_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__uid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,250 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__wchar_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____socklen_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_attr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__lldiv_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_mutexattr_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____pid_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____fsblkcnt64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__pthread_barrier_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,251 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_char in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____u_quad_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____off64_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,252 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____suseconds_t in cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:01,299 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG90c7aec18 [2018-04-05 15:16:01,304 ERROR L339 mateJobChangeAdapter]: Error during toolchain job processing: java.io.FileNotFoundException: /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/.metadata/.plugins/org.eclipse.core.resources/.projects/FLAG2f7b46343/.markers.snap (No such file or directory) at java.io.FileOutputStream.open0(Native Method) at java.io.FileOutputStream.open(FileOutputStream.java:270) at java.io.FileOutputStream.(FileOutputStream.java:213) at java.io.FileOutputStream.(FileOutputStream.java:133) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:45) at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.(SafeChunkyOutputStream.java:41) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1769) at org.eclipse.core.internal.resources.SaveManager.visitAndSnap(SaveManager.java:1853) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1222) at org.eclipse.core.internal.resources.SaveManager.save(SaveManager.java:1163) at org.eclipse.core.internal.resources.DelayedSnapshotJob.run(DelayedSnapshotJob.java:52) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-05 15:16:01,309 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-05 15:16:01,317 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-05 15:16:01,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-05 15:16:01,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-05 15:16:01,335 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-05 15:16:01,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:16:01" (1/1) ... [2018-04-05 15:16:01,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326936b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:01, skipping insertion in model container [2018-04-05 15:16:01,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:16:01" (1/1) ... [2018-04-05 15:16:01,370 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:16:01,466 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-05 15:16:01,876 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:16:02,041 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-05 15:16:02,075 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-05 15:16:02,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02 WrapperNode [2018-04-05 15:16:02,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-05 15:16:02,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-05 15:16:02,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-05 15:16:02,192 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-05 15:16:02,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... [2018-04-05 15:16:02,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... [2018-04-05 15:16:02,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... [2018-04-05 15:16:02,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... [2018-04-05 15:16:02,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... [2018-04-05 15:16:02,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... [2018-04-05 15:16:02,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... [2018-04-05 15:16:02,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-05 15:16:02,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-05 15:16:02,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-05 15:16:02,364 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-05 15:16:02,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-05 15:16:02,743 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-05 15:16:02,743 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-05 15:16:02,743 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-04-05 15:16:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-04-05 15:16:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-04-05 15:16:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrlen [2018-04-05 15:16:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-05 15:16:02,744 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_32 [2018-04-05 15:16:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i____bswap_64 [2018-04-05 15:16:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-05 15:16:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-05 15:16:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-05 15:16:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-05 15:16:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-05 15:16:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-05 15:16:02,746 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-05 15:16:02,748 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-05 15:16:02,748 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-05 15:16:02,748 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-05 15:16:02,748 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-05 15:16:02,749 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-05 15:16:02,749 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-05 15:16:02,749 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-05 15:16:02,749 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-05 15:16:02,749 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-05 15:16:02,749 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-05 15:16:02,749 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-05 15:16:02,750 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-05 15:16:02,750 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-05 15:16:02,750 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-05 15:16:02,750 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-05 15:16:02,750 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-05 15:16:02,750 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-05 15:16:02,750 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-05 15:16:02,751 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-05 15:16:02,751 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-05 15:16:02,751 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-05 15:16:02,751 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-05 15:16:02,751 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-05 15:16:02,751 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-05 15:16:02,751 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-05 15:16:02,752 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-05 15:16:02,762 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-05 15:16:02,763 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-05 15:16:02,763 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-05 15:16:02,763 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-05 15:16:02,763 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-05 15:16:02,763 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-05 15:16:02,763 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-05 15:16:02,763 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-05 15:16:02,764 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-05 15:16:02,764 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-05 15:16:02,764 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-05 15:16:02,764 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-05 15:16:02,770 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-05 15:16:02,770 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-05 15:16:02,770 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-05 15:16:02,770 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-05 15:16:02,771 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-05 15:16:02,771 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-05 15:16:02,771 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-05 15:16:02,771 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-05 15:16:02,771 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-05 15:16:02,771 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-05 15:16:02,771 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-05 15:16:02,772 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-05 15:16:02,772 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-05 15:16:02,772 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-05 15:16:02,772 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-05 15:16:02,772 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-05 15:16:02,772 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-04-05 15:16:02,772 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-05 15:16:02,773 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-05 15:16:02,773 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-05 15:16:02,773 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-05 15:16:02,773 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-05 15:16:02,773 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-05 15:16:02,773 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-05 15:16:02,773 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-05 15:16:02,774 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-05 15:16:02,775 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-05 15:16:02,775 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-05 15:16:02,775 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-05 15:16:02,775 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-05 15:16:02,775 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-05 15:16:02,775 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-05 15:16:02,776 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-05 15:16:02,777 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-05 15:16:02,777 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-05 15:16:02,777 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-05 15:16:02,777 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-05 15:16:02,777 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-05 15:16:02,777 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-05 15:16:02,777 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-05 15:16:02,778 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-05 15:16:02,793 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-05 15:16:02,794 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-05 15:16:02,794 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-05 15:16:02,794 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-05 15:16:02,794 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-05 15:16:02,794 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-05 15:16:02,794 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-05 15:16:02,794 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_String [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure cstrlen [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-05 15:16:02,795 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-05 15:16:02,796 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-05 15:16:02,796 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-05 15:16:03,871 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-05 15:16:03,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:16:03 BoogieIcfgContainer [2018-04-05 15:16:03,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-05 15:16:03,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-05 15:16:03,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-05 15:16:03,876 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-05 15:16:03,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:16:01" (1/3) ... [2018-04-05 15:16:03,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1511a9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:16:03, skipping insertion in model container [2018-04-05 15:16:03,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:16:02" (2/3) ... [2018-04-05 15:16:03,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1511a9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:16:03, skipping insertion in model container [2018-04-05 15:16:03,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:16:03" (3/3) ... [2018-04-05 15:16:03,890 INFO L107 eAbstractionObserver]: Analyzing ICFG cstrlen_unsafe_false-valid-deref.i [2018-04-05 15:16:03,901 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-05 15:16:03,912 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-04-05 15:16:04,022 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-05 15:16:04,030 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-05 15:16:04,031 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-05 15:16:04,031 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-05 15:16:04,031 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-05 15:16:04,031 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-05 15:16:04,031 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-05 15:16:04,031 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-05 15:16:04,031 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-05 15:16:04,032 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-05 15:16:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-04-05 15:16:04,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-05 15:16:04,074 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:16:04,075 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:16:04,076 INFO L408 AbstractCegarLoop]: === Iteration 1 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-05 15:16:04,082 INFO L82 PathProgramCache]: Analyzing trace with hash 2027579179, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:16:04,143 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:16:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:16:04,265 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:16:04,363 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:16:04,366 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:16:04,385 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:16:04,386 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-05 15:16:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:04,456 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:16:04,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:04,549 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:16:04,549 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-05 15:16:04,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-05 15:16:04,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-05 15:16:04,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-05 15:16:04,573 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 4 states. [2018-04-05 15:16:04,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:16:04,830 INFO L93 Difference]: Finished difference Result 67 states and 68 transitions. [2018-04-05 15:16:04,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-05 15:16:04,833 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-04-05 15:16:04,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:16:04,865 INFO L225 Difference]: With dead ends: 67 [2018-04-05 15:16:04,866 INFO L226 Difference]: Without dead ends: 46 [2018-04-05 15:16:04,872 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-05 15:16:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-05 15:16:04,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-05 15:16:04,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-05 15:16:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2018-04-05 15:16:04,983 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 14 [2018-04-05 15:16:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:16:04,984 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2018-04-05 15:16:04,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-05 15:16:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-04-05 15:16:04,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-04-05 15:16:04,985 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:16:04,985 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:16:04,985 INFO L408 AbstractCegarLoop]: === Iteration 2 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-05 15:16:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash 2027579180, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:16:05,002 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:16:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:16:05,051 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:16:05,104 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-04-05 15:16:05,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:16:05,140 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-05 15:16:05,141 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-04-05 15:16:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:05,278 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:16:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:05,526 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:16:05,526 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2018-04-05 15:16:05,528 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-05 15:16:05,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-05 15:16:05,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-05 15:16:05,529 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand 7 states. [2018-04-05 15:16:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:16:05,739 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-04-05 15:16:05,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-05 15:16:05,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 14 [2018-04-05 15:16:05,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:16:05,745 INFO L225 Difference]: With dead ends: 46 [2018-04-05 15:16:05,745 INFO L226 Difference]: Without dead ends: 45 [2018-04-05 15:16:05,746 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-04-05 15:16:05,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-05 15:16:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-05 15:16:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-05 15:16:05,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-04-05 15:16:05,773 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 14 [2018-04-05 15:16:05,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:16:05,774 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-04-05 15:16:05,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-05 15:16:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-04-05 15:16:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 15:16:05,775 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:16:05,775 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:16:05,776 INFO L408 AbstractCegarLoop]: === Iteration 3 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-05 15:16:05,779 INFO L82 PathProgramCache]: Analyzing trace with hash -73667089, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:16:05,805 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:16:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:16:05,908 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:16:06,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:06,290 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:16:06,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:06,574 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:16:06,574 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 8 [2018-04-05 15:16:06,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-05 15:16:06,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-05 15:16:06,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-04-05 15:16:06,575 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 9 states. [2018-04-05 15:16:07,150 WARN L148 SmtUtils]: Spent 102ms on a formula simplification that was a NOOP. DAG size: 9 [2018-04-05 15:16:07,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:16:07,563 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-04-05 15:16:07,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-05 15:16:07,564 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-04-05 15:16:07,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:16:07,566 INFO L225 Difference]: With dead ends: 45 [2018-04-05 15:16:07,566 INFO L226 Difference]: Without dead ends: 43 [2018-04-05 15:16:07,567 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-04-05 15:16:07,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-05 15:16:07,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-05 15:16:07,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-05 15:16:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-04-05 15:16:07,583 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 24 [2018-04-05 15:16:07,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:16:07,583 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-04-05 15:16:07,583 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-05 15:16:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-04-05 15:16:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-05 15:16:07,584 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:16:07,584 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-05 15:16:07,585 INFO L408 AbstractCegarLoop]: === Iteration 4 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-05 15:16:07,585 INFO L82 PathProgramCache]: Analyzing trace with hash -73667088, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:16:07,613 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:16:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-05 15:16:07,722 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-05 15:16:08,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:08,765 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-05 15:16:09,109 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 16 treesize of output 12 [2018-04-05 15:16:09,110 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-05 15:16:09,179 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2018-04-05 15:16:09,180 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-05 15:16:09,210 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-05 15:16:09,211 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2018-04-05 15:16:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-05 15:16:09,332 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-05 15:16:09,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 11 [2018-04-05 15:16:09,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-05 15:16:09,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-05 15:16:09,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-04-05 15:16:09,333 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 12 states. [2018-04-05 15:16:10,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-05 15:16:10,320 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2018-04-05 15:16:10,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-05 15:16:10,325 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 24 [2018-04-05 15:16:10,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-05 15:16:10,327 INFO L225 Difference]: With dead ends: 46 [2018-04-05 15:16:10,327 INFO L226 Difference]: Without dead ends: 45 [2018-04-05 15:16:10,328 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-04-05 15:16:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-05 15:16:10,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-05 15:16:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-05 15:16:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-04-05 15:16:10,335 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 24 [2018-04-05 15:16:10,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-05 15:16:10,335 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-04-05 15:16:10,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-05 15:16:10,335 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-04-05 15:16:10,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-05 15:16:10,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-05 15:16:10,337 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] [2018-04-05 15:16:10,337 INFO L408 AbstractCegarLoop]: === Iteration 5 === [cstrlenErr1RequiresViolation, cstrlenErr0RequiresViolation, mainErr1AssertViolationMEMORY_FREE, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationMEMORY_FREE, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr0RequiresViolation, __U_MULTI_fcstrlen_unsafe_false_valid_deref_i__build_nondet_StringErr1RequiresViolation]=== [2018-04-05 15:16:10,337 INFO L82 PathProgramCache]: Analyzing trace with hash 306648928, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-05 15:16:10,355 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-05 15:16:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 15:16:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-05 15:16:10,538 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-05 15:16:10,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:16:10 BoogieIcfgContainer [2018-04-05 15:16:10,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-05 15:16:10,616 INFO L168 Benchmark]: Toolchain (without parser) took 9300.63 ms. Allocated memory was 302.0 MB in the beginning and 479.2 MB in the end (delta: 177.2 MB). Free memory was 236.9 MB in the beginning and 368.7 MB in the end (delta: -131.8 MB). Peak memory consumption was 45.4 MB. Max. memory is 5.3 GB. [2018-04-05 15:16:10,618 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 302.0 MB. Free memory is still 260.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-05 15:16:10,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 855.83 ms. Allocated memory is still 302.0 MB. Free memory was 236.9 MB in the beginning and 212.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. [2018-04-05 15:16:10,619 INFO L168 Benchmark]: Boogie Preprocessor took 171.82 ms. Allocated memory is still 302.0 MB. Free memory was 212.8 MB in the beginning and 210.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-04-05 15:16:10,620 INFO L168 Benchmark]: RCFGBuilder took 1508.34 ms. Allocated memory was 302.0 MB in the beginning and 451.9 MB in the end (delta: 149.9 MB). Free memory was 210.8 MB in the beginning and 389.5 MB in the end (delta: -178.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. [2018-04-05 15:16:10,621 INFO L168 Benchmark]: TraceAbstraction took 6742.00 ms. Allocated memory was 451.9 MB in the beginning and 479.2 MB in the end (delta: 27.3 MB). Free memory was 389.5 MB in the beginning and 368.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 48.1 MB. Max. memory is 5.3 GB. [2018-04-05 15:16:10,628 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 302.0 MB. Free memory is still 260.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 855.83 ms. Allocated memory is still 302.0 MB. Free memory was 236.9 MB in the beginning and 212.8 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 171.82 ms. Allocated memory is still 302.0 MB. Free memory was 212.8 MB in the beginning and 210.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1508.34 ms. Allocated memory was 302.0 MB in the beginning and 451.9 MB in the end (delta: 149.9 MB). Free memory was 210.8 MB in the beginning and 389.5 MB in the end (delta: -178.8 MB). Peak memory consumption was 17.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6742.00 ms. Allocated memory was 451.9 MB in the beginning and 479.2 MB in the end (delta: 27.3 MB). Free memory was 389.5 MB in the beginning and 368.7 MB in the end (delta: 20.8 MB). Peak memory consumption was 48.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 552]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L557] CALL, EXPR build_nondet_String() [L541] int length = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=2, length=2] [L542] COND FALSE !(length < 1) VAL [length=2] [L545] EXPR, FCALL malloc(length * sizeof(char)) VAL [length=2, malloc(length * sizeof(char))={8:0}] [L545] char* nondetString = (char*) malloc(length * sizeof(char)); VAL [length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L546] FCALL nondetString[length-1] = '\0' VAL [length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L547] RET return nondetString; VAL [\result={8:0}, length=2, malloc(length * sizeof(char))={8:0}, nondetString={8:0}] [L557] EXPR build_nondet_String() VAL [build_nondet_String()={8:0}] [L557] char* p = build_nondet_String(); VAL [build_nondet_String()={8:0}, p={8:0}] [L558] CALL cstrlen(p) VAL [s={8:0}] [L551] const char *p = s; VAL [p={8:0}, s={8:0}, s={8:0}] [L552] EXPR, FCALL \read(*p) VAL [\read(*p)=6, p={8:0}, s={8:0}, s={8:0}] [L552] COND TRUE *p != '\0' VAL [\read(*p)=6, p={8:0}, s={8:0}, s={8:0}] [L553] p = p+2 VAL [p={8:2}, s={8:0}, s={8:0}] [L552] FCALL \read(*p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 60 locations, 7 error locations. UNSAFE Result, 6.6s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 153 SDtfs, 116 SDslu, 566 SDs, 0 SdLazy, 270 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 160 GetRequests, 122 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 144 ConstructedInterpolants, 0 QuantifiedInterpolants, 10734 SizeOfPredicates, 22 NumberOfNonLiveVariables, 276 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-05_15-16-10-671.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/cstrlen_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-05_15-16-10-671.csv Received shutdown request...