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/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-8168ed2-m [2018-04-11 23:45:35,596 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-11 23:45:35,598 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-11 23:45:35,611 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-11 23:45:35,611 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-11 23:45:35,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-11 23:45:35,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-11 23:45:35,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-11 23:45:35,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-11 23:45:35,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-11 23:45:35,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-11 23:45:35,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-11 23:45:35,617 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-11 23:45:35,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-11 23:45:35,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-11 23:45:35,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-11 23:45:35,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-11 23:45:35,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-11 23:45:35,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-11 23:45:35,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-11 23:45:35,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-11 23:45:35,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-11 23:45:35,630 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-11 23:45:35,631 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-11 23:45:35,632 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-11 23:45:35,633 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-11 23:45:35,633 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-11 23:45:35,634 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-11 23:45:35,635 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-11 23:45:35,635 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-11 23:45:35,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-11 23:45:35,636 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 [2018-04-11 23:45:35,660 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-11 23:45:35,660 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-11 23:45:35,660 INFO L131 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2018-04-11 23:45:35,661 INFO L133 SettingsManager]: * ultimate.logging.details=de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation=DEBUG; [2018-04-11 23:45:35,661 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-04-11 23:45:35,661 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-04-11 23:45:35,662 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-04-11 23:45:35,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-04-11 23:45:35,662 INFO L133 SettingsManager]: * Parallel states before merging=1 [2018-04-11 23:45:35,662 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-04-11 23:45:35,662 INFO L131 SettingsManager]: Preferences of LTL2Aut differ from their defaults: [2018-04-11 23:45:35,663 INFO L133 SettingsManager]: * Property to check=[] a a: x > 42 [2018-04-11 23:45:35,663 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-11 23:45:35,663 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-11 23:45:35,663 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-11 23:45:35,664 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-11 23:45:35,664 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-11 23:45:35,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-11 23:45:35,664 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-11 23:45:35,664 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-04-11 23:45:35,664 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-11 23:45:35,665 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-11 23:45:35,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-11 23:45:35,665 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-04-11 23:45:35,665 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-04-11 23:45:35,666 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-11 23:45:35,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-11 23:45:35,666 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-11 23:45:35,666 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-04-11 23:45:35,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-04-11 23:45:35,667 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-04-11 23:45:35,667 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-04-11 23:45:35,667 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 23:45:35,667 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-04-11 23:45:35,668 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-04-11 23:45:35,668 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-04-11 23:45:35,668 INFO L131 SettingsManager]: Preferences of Boogie Printer differ from their defaults: [2018-04-11 23:45:35,669 INFO L133 SettingsManager]: * Dump path:=C:\Users\alex\AppData\Local\Temp\ [2018-04-11 23:45:35,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-11 23:45:35,715 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-11 23:45:35,719 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-11 23:45:35,720 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-11 23:45:35,721 INFO L276 PluginConnector]: CDTParser initialized [2018-04-11 23:45:35,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,043 INFO L225 CDTParser]: Created temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbeeec1f42 [2018-04-11 23:45:36,216 INFO L287 CDTParser]: IsIndexed: true [2018-04-11 23:45:36,217 INFO L288 CDTParser]: Found 1 translation units. [2018-04-11 23:45:36,217 INFO L168 CDTParser]: Scanning simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,228 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-11 23:45:36,229 INFO L215 ultiparseSymbolTable]: [2018-04-11 23:45:36,229 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-11 23:45:36,229 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__exit ('exit') in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,229 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,229 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-11 23:45:36,229 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fd_mask in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__nlink_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_attr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____sig_atomic_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__id_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_condattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,230 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_once_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_int in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__dev_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____daddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____key_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__register_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,231 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__off_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsblkcnt64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____clockid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____useconds_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsfilcnt64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__loff_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ushort in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,232 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__wchar_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ldiv_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____swblk_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ino_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_barrier_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____gid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____pid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_mutexattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,233 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____ssize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____ino64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____blkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____timer_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__clockid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__sigset_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,234 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____nlink_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__timer_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ssize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fd_mask in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_rwlockattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__key_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__uint in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,235 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____off_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____blkcnt64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fsfilcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_char in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____blksize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____dev_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsblkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_key_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__blksize_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,236 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____qaddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__lldiv_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____off64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_rwlock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__uid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____rlim64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____id_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fsblkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__div_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint32_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_char in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__blkcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_barrierattr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____suseconds_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,237 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__time_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____pthread_list_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_mutex_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_quad_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__List in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____rlim_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____intptr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____mode_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__daddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____ino_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____time_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____socklen_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_int64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,238 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____loff_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____fsfilcnt_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__int64_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_cond_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__size_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____uint16_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____WAIT_STATUS in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_long in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____clock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__ulong in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pthread_spinlock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____int8_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fsid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,239 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__mode_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_short in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____sigset_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__caddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____u_short in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__gid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__suseconds_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__clock_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i____caddr_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,240 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__fd_set in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__pid_t in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,241 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__u_long in simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:36,259 INFO L330 CDTParser]: Deleted temporary CDT project at /storage/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGbeeec1f42 [2018-04-11 23:45:36,264 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-11 23:45:36,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-11 23:45:36,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-11 23:45:36,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-11 23:45:36,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-11 23:45:36,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fd9276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36, skipping insertion in model container [2018-04-11 23:45:36,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,292 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 23:45:36,321 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-11 23:45:36,477 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 23:45:36,521 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-11 23:45:36,529 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 113 non ball SCCs. Number of states in SCCs 113. [2018-04-11 23:45:36,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36 WrapperNode [2018-04-11 23:45:36,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-11 23:45:36,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-11 23:45:36,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-11 23:45:36,579 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-11 23:45:36,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (1/1) ... [2018-04-11 23:45:36,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-11 23:45:36,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-11 23:45:36,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-11 23:45:36,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-11 23:45:36,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (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 [2018-04-11 23:45:36,757 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-11 23:45:36,758 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-11 23:45:36,758 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__exit [2018-04-11 23:45:36,758 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-11 23:45:36,758 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-04-11 23:45:36,758 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-04-11 23:45:36,758 INFO L128 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2018-04-11 23:45:36,758 INFO L128 BoogieDeclarations]: Found specification of procedure atof [2018-04-11 23:45:36,758 INFO L128 BoogieDeclarations]: Found specification of procedure atoi [2018-04-11 23:45:36,758 INFO L128 BoogieDeclarations]: Found specification of procedure atol [2018-04-11 23:45:36,758 INFO L128 BoogieDeclarations]: Found specification of procedure atoll [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtod [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtof [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtold [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtol [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtoul [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtoq [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtouq [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtoll [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure strtoull [2018-04-11 23:45:36,759 INFO L128 BoogieDeclarations]: Found specification of procedure l64a [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure a64l [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure select [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure pselect [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure random [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure srandom [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure initstate [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure setstate [2018-04-11 23:45:36,760 INFO L128 BoogieDeclarations]: Found specification of procedure random_r [2018-04-11 23:45:36,761 INFO L128 BoogieDeclarations]: Found specification of procedure srandom_r [2018-04-11 23:45:36,761 INFO L128 BoogieDeclarations]: Found specification of procedure initstate_r [2018-04-11 23:45:36,761 INFO L128 BoogieDeclarations]: Found specification of procedure setstate_r [2018-04-11 23:45:36,761 INFO L128 BoogieDeclarations]: Found specification of procedure rand [2018-04-11 23:45:36,761 INFO L128 BoogieDeclarations]: Found specification of procedure srand [2018-04-11 23:45:36,761 INFO L128 BoogieDeclarations]: Found specification of procedure rand_r [2018-04-11 23:45:36,761 INFO L128 BoogieDeclarations]: Found specification of procedure drand48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure erand48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure srand48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure seed48 [2018-04-11 23:45:36,762 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48 [2018-04-11 23:45:36,763 INFO L128 BoogieDeclarations]: Found specification of procedure drand48_r [2018-04-11 23:45:36,763 INFO L128 BoogieDeclarations]: Found specification of procedure erand48_r [2018-04-11 23:45:36,763 INFO L128 BoogieDeclarations]: Found specification of procedure lrand48_r [2018-04-11 23:45:36,763 INFO L128 BoogieDeclarations]: Found specification of procedure nrand48_r [2018-04-11 23:45:36,763 INFO L128 BoogieDeclarations]: Found specification of procedure mrand48_r [2018-04-11 23:45:36,763 INFO L128 BoogieDeclarations]: Found specification of procedure jrand48_r [2018-04-11 23:45:36,763 INFO L128 BoogieDeclarations]: Found specification of procedure srand48_r [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure seed48_r [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure lcong48_r [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure calloc [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure realloc [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure cfree [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure alloca [2018-04-11 23:45:36,764 INFO L128 BoogieDeclarations]: Found specification of procedure valloc [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure posix_memalign [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure atexit [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure on_exit [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fsimple_built_from_end_true_unreach_call_false_valid_memtrack_i__exit [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure _Exit [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure getenv [2018-04-11 23:45:36,765 INFO L128 BoogieDeclarations]: Found specification of procedure __secure_getenv [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure putenv [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure setenv [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure unsetenv [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure clearenv [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure mktemp [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemp [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure mkstemps [2018-04-11 23:45:36,766 INFO L128 BoogieDeclarations]: Found specification of procedure mkdtemp [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure system [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure realpath [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure bsearch [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure qsort [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure abs [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure labs [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure llabs [2018-04-11 23:45:36,767 INFO L128 BoogieDeclarations]: Found specification of procedure div [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure ldiv [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure lldiv [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure gcvt [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt [2018-04-11 23:45:36,768 INFO L128 BoogieDeclarations]: Found specification of procedure qgcvt [2018-04-11 23:45:36,769 INFO L128 BoogieDeclarations]: Found specification of procedure ecvt_r [2018-04-11 23:45:36,769 INFO L128 BoogieDeclarations]: Found specification of procedure fcvt_r [2018-04-11 23:45:36,769 INFO L128 BoogieDeclarations]: Found specification of procedure qecvt_r [2018-04-11 23:45:36,769 INFO L128 BoogieDeclarations]: Found specification of procedure qfcvt_r [2018-04-11 23:45:36,769 INFO L128 BoogieDeclarations]: Found specification of procedure mblen [2018-04-11 23:45:36,769 INFO L128 BoogieDeclarations]: Found specification of procedure mbtowc [2018-04-11 23:45:36,769 INFO L128 BoogieDeclarations]: Found specification of procedure wctomb [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure mbstowcs [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure wcstombs [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure rpmatch [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure getsubopt [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure getloadavg [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-11 23:45:36,770 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-11 23:45:36,771 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-04-11 23:45:36,771 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-11 23:45:36,771 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-04-11 23:45:36,771 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-11 23:45:36,771 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-11 23:45:36,771 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-11 23:45:36,771 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-11 23:45:37,059 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-11 23:45:37,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:45:37 BoogieIcfgContainer [2018-04-11 23:45:37,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-11 23:45:37,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-11 23:45:37,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-11 23:45:37,062 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-11 23:45:37,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.04 11:45:36" (1/3) ... [2018-04-11 23:45:37,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4a3f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:45:37, skipping insertion in model container [2018-04-11 23:45:37,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.04 11:45:36" (2/3) ... [2018-04-11 23:45:37,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b4a3f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.04 11:45:37, skipping insertion in model container [2018-04-11 23:45:37,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.04 11:45:37" (3/3) ... [2018-04-11 23:45:37,065 INFO L107 eAbstractionObserver]: Analyzing ICFG simple_built_from_end_true-unreach-call_false-valid-memtrack.i [2018-04-11 23:45:37,072 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-04-11 23:45:37,080 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-04-11 23:45:37,126 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-11 23:45:37,127 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-11 23:45:37,127 INFO L370 AbstractCegarLoop]: Hoare is true [2018-04-11 23:45:37,127 INFO L371 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-04-11 23:45:37,128 INFO L372 AbstractCegarLoop]: Backedges is TWOTRACK [2018-04-11 23:45:37,128 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-11 23:45:37,128 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-11 23:45:37,128 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-11 23:45:37,128 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-11 23:45:37,129 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-11 23:45:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-04-11 23:45:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-11 23:45:37,150 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:37,151 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:37,151 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:37,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1520582092, 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 [2018-04-11 23:45:37,166 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:37,193 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:37,209 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:37,219 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 23:45:37,240 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:37,240 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 23:45:37,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-11 23:45:37,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-11 23:45:37,252 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 23:45:37,253 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-04-11 23:45:37,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:37,272 INFO L93 Difference]: Finished difference Result 64 states and 70 transitions. [2018-04-11 23:45:37,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-11 23:45:37,273 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-04-11 23:45:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:37,280 INFO L225 Difference]: With dead ends: 64 [2018-04-11 23:45:37,280 INFO L226 Difference]: Without dead ends: 37 [2018-04-11 23:45:37,284 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-11 23:45:37,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-11 23:45:37,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-11 23:45:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-11 23:45:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-04-11 23:45:37,315 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 11 [2018-04-11 23:45:37,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:37,316 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-04-11 23:45:37,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-11 23:45:37,316 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-04-11 23:45:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 23:45:37,317 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:37,317 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:37,317 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:37,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1785235380, 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 [2018-04-11 23:45:37,328 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:37,344 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:37,381 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 23:45:37,381 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:37,391 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 23:45:37,422 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:37,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 23:45:37,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 23:45:37,424 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 23:45:37,424 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 23:45:37,425 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 3 states. [2018-04-11 23:45:37,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:37,461 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2018-04-11 23:45:37,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 23:45:37,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-04-11 23:45:37,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:37,463 INFO L225 Difference]: With dead ends: 68 [2018-04-11 23:45:37,463 INFO L226 Difference]: Without dead ends: 54 [2018-04-11 23:45:37,464 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 23:45:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-11 23:45:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 43. [2018-04-11 23:45:37,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-11 23:45:37,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-04-11 23:45:37,471 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 15 [2018-04-11 23:45:37,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:37,471 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-04-11 23:45:37,471 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 23:45:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-04-11 23:45:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-11 23:45:37,472 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:37,472 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:37,472 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:37,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1785235339, 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 [2018-04-11 23:45:37,478 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:37,493 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:37,507 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 23:45:37,507 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:37,551 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:37,552 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2018-04-11 23:45:37,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-11 23:45:37,552 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-11 23:45:37,552 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-11 23:45:37,552 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 3 states. [2018-04-11 23:45:37,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:37,580 INFO L93 Difference]: Finished difference Result 47 states and 48 transitions. [2018-04-11 23:45:37,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-11 23:45:37,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-04-11 23:45:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:37,582 INFO L225 Difference]: With dead ends: 47 [2018-04-11 23:45:37,582 INFO L226 Difference]: Without dead ends: 42 [2018-04-11 23:45:37,582 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 23:45:37,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-11 23:45:37,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2018-04-11 23:45:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-11 23:45:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2018-04-11 23:45:37,588 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 15 [2018-04-11 23:45:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:37,588 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2018-04-11 23:45:37,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-11 23:45:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-04-11 23:45:37,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 23:45:37,589 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:37,589 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:37,589 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:37,590 INFO L82 PathProgramCache]: Analyzing trace with hash -404271299, 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 [2018-04-11 23:45:37,597 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:37,611 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:37,632 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 23:45:37,633 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:37,635 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:37,635 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-04-11 23:45:37,642 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 23:45:37,642 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:37,649 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 23:45:37,674 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:37,674 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 23:45:37,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 23:45:37,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 23:45:37,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 23:45:37,676 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 4 states. [2018-04-11 23:45:37,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:37,714 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-04-11 23:45:37,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 23:45:37,715 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-04-11 23:45:37,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:37,716 INFO L225 Difference]: With dead ends: 43 [2018-04-11 23:45:37,716 INFO L226 Difference]: Without dead ends: 41 [2018-04-11 23:45:37,717 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 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 23:45:37,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-11 23:45:37,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2018-04-11 23:45:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 23:45:37,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2018-04-11 23:45:37,721 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 16 [2018-04-11 23:45:37,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:37,721 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2018-04-11 23:45:37,721 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 23:45:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-04-11 23:45:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-11 23:45:37,722 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:37,722 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:37,722 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:37,722 INFO L82 PathProgramCache]: Analyzing trace with hash -404271298, 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 [2018-04-11 23:45:37,733 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:37,746 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:37,751 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 23:45:37,752 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:37,756 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:37,756 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-04-11 23:45:37,792 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 23:45:37,792 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:37,841 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 23:45:37,874 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:37,875 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2018-04-11 23:45:37,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-11 23:45:37,875 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-11 23:45:37,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-11 23:45:37,876 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand 6 states. [2018-04-11 23:45:37,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:37,934 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-04-11 23:45:37,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-11 23:45:37,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-04-11 23:45:37,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:37,935 INFO L225 Difference]: With dead ends: 41 [2018-04-11 23:45:37,935 INFO L226 Difference]: Without dead ends: 39 [2018-04-11 23:45:37,936 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-11 23:45:37,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-11 23:45:37,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2018-04-11 23:45:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-11 23:45:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-04-11 23:45:37,941 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 16 [2018-04-11 23:45:37,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:37,941 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-04-11 23:45:37,941 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-11 23:45:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-04-11 23:45:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 23:45:37,942 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:37,942 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:37,942 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:37,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1063343147, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 23:45:37,951 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:37,976 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:37,992 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:38,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:38,040 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:38,040 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2018-04-11 23:45:38,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-11 23:45:38,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-11 23:45:38,041 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-11 23:45:38,041 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 4 states. [2018-04-11 23:45:38,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:38,098 INFO L93 Difference]: Finished difference Result 50 states and 51 transitions. [2018-04-11 23:45:38,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-11 23:45:38,098 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-04-11 23:45:38,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:38,099 INFO L225 Difference]: With dead ends: 50 [2018-04-11 23:45:38,099 INFO L226 Difference]: Without dead ends: 48 [2018-04-11 23:45:38,099 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 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 23:45:38,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-11 23:45:38,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2018-04-11 23:45:38,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-11 23:45:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2018-04-11 23:45:38,111 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 25 [2018-04-11 23:45:38,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:38,112 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2018-04-11 23:45:38,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-11 23:45:38,112 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-04-11 23:45:38,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 23:45:38,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:38,113 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:38,113 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:38,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1063343148, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 23:45:38,122 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:38,137 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:38,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:38,205 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:38,234 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-04-11 23:45:38,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,241 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 8 treesize of output 6 [2018-04-11 23:45:38,241 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,244 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,244 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:41, output treesize:10 [2018-04-11 23:45:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:38,278 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:38,279 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 4] imperfect sequences [] total 9 [2018-04-11 23:45:38,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-11 23:45:38,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-11 23:45:38,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-04-11 23:45:38,279 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand 10 states. [2018-04-11 23:45:38,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:38,637 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2018-04-11 23:45:38,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-11 23:45:38,637 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 25 [2018-04-11 23:45:38,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:38,638 INFO L225 Difference]: With dead ends: 53 [2018-04-11 23:45:38,638 INFO L226 Difference]: Without dead ends: 51 [2018-04-11 23:45:38,639 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2018-04-11 23:45:38,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-11 23:45:38,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2018-04-11 23:45:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 23:45:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-04-11 23:45:38,643 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 25 [2018-04-11 23:45:38,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:38,643 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-04-11 23:45:38,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-11 23:45:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-04-11 23:45:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-11 23:45:38,644 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:38,644 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-11 23:45:38,644 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:38,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1063343106, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 23:45:38,650 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:38,663 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:38,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:38,693 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:38,728 INFO L320 seRefinementStrategy]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2018-04-11 23:45:38,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2018-04-11 23:45:38,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-11 23:45:38,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-11 23:45:38,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-04-11 23:45:38,729 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 8 states. [2018-04-11 23:45:38,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:38,814 INFO L93 Difference]: Finished difference Result 51 states and 52 transitions. [2018-04-11 23:45:38,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-11 23:45:38,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-04-11 23:45:38,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:38,815 INFO L225 Difference]: With dead ends: 51 [2018-04-11 23:45:38,815 INFO L226 Difference]: Without dead ends: 49 [2018-04-11 23:45:38,815 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2018-04-11 23:45:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-11 23:45:38,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 41. [2018-04-11 23:45:38,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-11 23:45:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-04-11 23:45:38,819 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 25 [2018-04-11 23:45:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:38,819 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-04-11 23:45:38,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-11 23:45:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-04-11 23:45:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 23:45:38,820 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:38,820 INFO L355 BasicCegarLoop]: trace histogram [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] [2018-04-11 23:45:38,820 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:38,820 INFO L82 PathProgramCache]: Analyzing trace with hash 2028775352, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 23:45:38,829 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-11 23:45:38,850 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-04-11 23:45:38,899 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-11 23:45:38,901 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 23:45:38,902 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,904 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,913 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-04-11 23:45:38,917 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-04-11 23:45:38,918 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,919 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,929 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:38,929 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:33, output treesize:25 [2018-04-11 23:45:39,002 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 23:45:39,005 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 23:45:39,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-11 23:45:39,006 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:39,009 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:39,019 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 23:45:39,021 INFO L682 Elim1Store]: detected equality via solver [2018-04-11 23:45:39,022 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-04-11 23:45:39,022 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:39,024 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:39,031 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-04-11 23:45:39,031 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:49, output treesize:7 [2018-04-11 23:45:39,044 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:39,044 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-04-11 23:45:39,137 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-04-11 23:45:39,149 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-11 23:45:39,150 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:39,155 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 23:45:39,175 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 19 [2018-04-11 23:45:39,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2018-04-11 23:45:39,189 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-11 23:45:39,195 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-04-11 23:45:39,217 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-04-11 23:45:39,218 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:43, output treesize:22 [2018-04-11 23:45:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-11 23:45:39,301 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-04-11 23:45:39,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 15 [2018-04-11 23:45:39,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-11 23:45:39,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-11 23:45:39,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-04-11 23:45:39,302 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 15 states. [2018-04-11 23:45:39,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-11 23:45:39,618 INFO L93 Difference]: Finished difference Result 83 states and 85 transitions. [2018-04-11 23:45:39,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-11 23:45:39,619 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 33 [2018-04-11 23:45:39,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-11 23:45:39,619 INFO L225 Difference]: With dead ends: 83 [2018-04-11 23:45:39,619 INFO L226 Difference]: Without dead ends: 70 [2018-04-11 23:45:39,620 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2018-04-11 23:45:39,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-11 23:45:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 62. [2018-04-11 23:45:39,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-11 23:45:39,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-04-11 23:45:39,624 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 33 [2018-04-11 23:45:39,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-11 23:45:39,624 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-04-11 23:45:39,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-11 23:45:39,625 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-04-11 23:45:39,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-11 23:45:39,626 INFO L347 BasicCegarLoop]: Found error trace [2018-04-11 23:45:39,626 INFO L355 BasicCegarLoop]: trace histogram [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 23:45:39,626 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr8EnsuresViolationMEMORY_LEAK, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation]=== [2018-04-11 23:45:39,626 INFO L82 PathProgramCache]: Analyzing trace with hash 2028775311, now seen corresponding path program 1 times No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-11 23:45:39,633 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-11 23:45:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 23:45:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-04-11 23:45:39,709 INFO L421 BasicCegarLoop]: Counterexample might be feasible [2018-04-11 23:45:39,724 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-04-11 23:45:39,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.04 11:45:39 BoogieIcfgContainer [2018-04-11 23:45:39,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-11 23:45:39,743 INFO L168 Benchmark]: Toolchain (without parser) took 3478.39 ms. Allocated memory was 296.7 MB in the beginning and 503.3 MB in the end (delta: 206.6 MB). Free memory was 233.7 MB in the beginning and 418.7 MB in the end (delta: -185.0 MB). Peak memory consumption was 21.6 MB. Max. memory is 5.3 GB. [2018-04-11 23:45:39,745 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 296.7 MB. Free memory is still 259.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-11 23:45:39,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.78 ms. Allocated memory is still 296.7 MB. Free memory was 233.7 MB in the beginning and 208.8 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. [2018-04-11 23:45:39,746 INFO L168 Benchmark]: Boogie Preprocessor took 57.65 ms. Allocated memory is still 296.7 MB. Free memory was 208.8 MB in the beginning and 206.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-04-11 23:45:39,746 INFO L168 Benchmark]: RCFGBuilder took 422.51 ms. Allocated memory was 296.7 MB in the beginning and 450.9 MB in the end (delta: 154.1 MB). Free memory was 206.8 MB in the beginning and 390.8 MB in the end (delta: -184.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. [2018-04-11 23:45:39,747 INFO L168 Benchmark]: TraceAbstraction took 2682.33 ms. Allocated memory was 450.9 MB in the beginning and 503.3 MB in the end (delta: 52.4 MB). Free memory was 390.8 MB in the beginning and 418.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. [2018-04-11 23:45:39,749 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 296.7 MB. Free memory is still 259.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 310.78 ms. Allocated memory is still 296.7 MB. Free memory was 233.7 MB in the beginning and 208.8 MB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 57.65 ms. Allocated memory is still 296.7 MB. Free memory was 208.8 MB in the beginning and 206.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 422.51 ms. Allocated memory was 296.7 MB in the beginning and 450.9 MB in the end (delta: 154.1 MB). Free memory was 206.8 MB in the beginning and 390.8 MB in the end (delta: -184.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2682.33 ms. Allocated memory was 450.9 MB in the beginning and 503.3 MB in the end (delta: 52.4 MB). Free memory was 390.8 MB in the beginning and 418.7 MB in the end (delta: -27.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] List t; [L628] List p = 0; VAL [p={0:0}] [L629] COND TRUE __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=-1, p={0:0}] [L630] EXPR, FCALL malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={19:0}, p={0:0}] [L630] t = (List) malloc(sizeof(struct node)) VAL [malloc(sizeof(struct node))={19:0}, p={0:0}, t={19:0}] [L631] COND FALSE !(t == 0) VAL [malloc(sizeof(struct node))={19:0}, p={0:0}, t={19:0}] [L632] FCALL t->h = 1 VAL [malloc(sizeof(struct node))={19:0}, p={0:0}, t={19:0}] [L633] FCALL t->n = p VAL [malloc(sizeof(struct node))={19:0}, p={0:0}, t={19:0}] [L634] p = t VAL [malloc(sizeof(struct node))={19:0}, p={19:0}, t={19:0}] [L629] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, malloc(sizeof(struct node))={19:0}, p={19:0}, t={19:0}] [L636] COND TRUE p!=0 VAL [malloc(sizeof(struct node))={19:0}, p={19:0}, t={19:0}] [L637] EXPR, FCALL p->h VAL [malloc(sizeof(struct node))={19:0}, p={19:0}, p->h=1, t={19:0}] [L637] COND FALSE !(p->h != 1) VAL [malloc(sizeof(struct node))={19:0}, p={19:0}, p->h=1, t={19:0}] [L640] EXPR, FCALL p->n VAL [malloc(sizeof(struct node))={19:0}, p={19:0}, p->n={0:0}, t={19:0}] [L640] p = p->n VAL [malloc(sizeof(struct node))={19:0}, p={0:0}, p->n={0:0}, t={19:0}] [L636] COND FALSE !(p!=0) VAL [malloc(sizeof(struct node))={19:0}, p={0:0}, t={19:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 47 locations, 9 error locations. UNSAFE Result, 2.6s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 292 SDtfs, 511 SDslu, 530 SDs, 0 SdLazy, 342 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 381 GetRequests, 318 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=9, 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, 9 MinimizatonAttempts, 55 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 344 ConstructedInterpolants, 11 QuantifiedInterpolants, 43230 SizeOfPredicates, 32 NumberOfNonLiveVariables, 575 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 20/30 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_built_from_end_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-11_23-45-39-759.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/simple_built_from_end_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Fixed_noBitfields+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-11_23-45-39-759.csv Received shutdown request...