java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-1.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.24-a32b1f7
[2019-08-18 07:10:35,356 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-08-18 07:10:35,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-08-18 07:10:35,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-08-18 07:10:35,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-08-18 07:10:35,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-08-18 07:10:35,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-08-18 07:10:35,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-08-18 07:10:35,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-08-18 07:10:35,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-08-18 07:10:35,393 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values
[2019-08-18 07:10:35,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-08-18 07:10:35,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-08-18 07:10:35,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-08-18 07:10:35,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-08-18 07:10:35,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-08-18 07:10:35,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-08-18 07:10:35,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-08-18 07:10:35,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-08-18 07:10:35,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-08-18 07:10:35,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-08-18 07:10:35,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-08-18 07:10:35,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-08-18 07:10:35,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-08-18 07:10:35,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-08-18 07:10:35,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-08-18 07:10:35,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-08-18 07:10:35,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-08-18 07:10:35,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-08-18 07:10:35,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-08-18 07:10:35,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-08-18 07:10:35,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-08-18 07:10:35,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-08-18 07:10:35,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-08-18 07:10:35,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-08-18 07:10:35,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-08-18 07:10:35,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-08-18 07:10:35,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-08-18 07:10:35,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-08-18 07:10:35,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-08-18 07:10:35,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-08-18 07:10:35,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-08-18 07:10:35,479 INFO L113 SettingsManager]: Loading preferences was successful
[2019-08-18 07:10:35,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-08-18 07:10:35,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-08-18 07:10:35,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-08-18 07:10:35,485 INFO L138 SettingsManager]: * Use SBE=true
[2019-08-18 07:10:35,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-08-18 07:10:35,485 INFO L138 SettingsManager]: * sizeof long=4
[2019-08-18 07:10:35,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-08-18 07:10:35,486 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-08-18 07:10:35,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-08-18 07:10:35,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-08-18 07:10:35,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-08-18 07:10:35,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-08-18 07:10:35,490 INFO L138 SettingsManager]: * sizeof long double=12
[2019-08-18 07:10:35,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-08-18 07:10:35,490 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-08-18 07:10:35,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-08-18 07:10:35,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-08-18 07:10:35,491 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-08-18 07:10:35,491 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-08-18 07:10:35,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-08-18 07:10:35,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-08-18 07:10:35,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-08-18 07:10:35,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-08-18 07:10:35,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-08-18 07:10:35,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-08-18 07:10:35,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2019-08-18 07:10:35,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-08-18 07:10:35,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-08-18 07:10:35,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-18 07:10:35,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-18 07:10:35,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-18 07:10:35,562 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-08-18 07:10:35,562 INFO L275 PluginConnector]: CDTParser initialized
[2019-08-18 07:10:35,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-1.i
[2019-08-18 07:10:35,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d800a86cb/6392ebdcd82c44d8a4b2c9e9c4483ec5/FLAG52e5f84bd
[2019-08-18 07:10:36,148 INFO L306 CDTParser]: Found 1 translation units.
[2019-08-18 07:10:36,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-1.i
[2019-08-18 07:10:36,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d800a86cb/6392ebdcd82c44d8a4b2c9e9c4483ec5/FLAG52e5f84bd
[2019-08-18 07:10:36,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d800a86cb/6392ebdcd82c44d8a4b2c9e9c4483ec5
[2019-08-18 07:10:36,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-18 07:10:36,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-08-18 07:10:36,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-08-18 07:10:36,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-08-18 07:10:36,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-08-18 07:10:36,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:10:36" (1/1) ...
[2019-08-18 07:10:36,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d19c4c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:36, skipping insertion in model container
[2019-08-18 07:10:36,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:10:36" (1/1) ...
[2019-08-18 07:10:36,465 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-08-18 07:10:36,518 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-08-18 07:10:36,946 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-08-18 07:10:36,968 INFO L188 MainTranslator]: Completed pre-run
[2019-08-18 07:10:37,072 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-08-18 07:10:37,127 INFO L192 MainTranslator]: Completed translation
[2019-08-18 07:10:37,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37 WrapperNode
[2019-08-18 07:10:37,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-08-18 07:10:37,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-18 07:10:37,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-18 07:10:37,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-08-18 07:10:37,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
[2019-08-18 07:10:37,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
[2019-08-18 07:10:37,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
[2019-08-18 07:10:37,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
[2019-08-18 07:10:37,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
[2019-08-18 07:10:37,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
[2019-08-18 07:10:37,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
[2019-08-18 07:10:37,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-18 07:10:37,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-18 07:10:37,221 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-08-18 07:10:37,221 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-08-18 07:10:37,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:37" (1/1) ...
No working directory specified, using /storage/repos/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
[2019-08-18 07:10:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-08-18 07:10:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-08-18 07:10:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32
[2019-08-18 07:10:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64
[2019-08-18 07:10:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die
[2019-08-18 07:10:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail
[2019-08-18 07:10:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert
[2019-08-18 07:10:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl
[2019-08-18 07:10:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit
[2019-08-18 07:10:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-08-18 07:10:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-08-18 07:10:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-08-18 07:10:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2019-08-18 07:10:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2019-08-18 07:10:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2019-08-18 07:10:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2019-08-18 07:10:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2019-08-18 07:10:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2019-08-18 07:10:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2019-08-18 07:10:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2019-08-18 07:10:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2019-08-18 07:10:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2019-08-18 07:10:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2019-08-18 07:10:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2019-08-18 07:10:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2019-08-18 07:10:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2019-08-18 07:10:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2019-08-18 07:10:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2019-08-18 07:10:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32
[2019-08-18 07:10:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64
[2019-08-18 07:10:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2019-08-18 07:10:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2019-08-18 07:10:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2019-08-18 07:10:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2019-08-18 07:10:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2019-08-18 07:10:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2019-08-18 07:10:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2019-08-18 07:10:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2019-08-18 07:10:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2019-08-18 07:10:37,287 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2019-08-18 07:10:37,288 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2019-08-18 07:10:37,289 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2019-08-18 07:10:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2019-08-18 07:10:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2019-08-18 07:10:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2019-08-18 07:10:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2019-08-18 07:10:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2019-08-18 07:10:37,290 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2019-08-18 07:10:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2019-08-18 07:10:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2019-08-18 07:10:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2019-08-18 07:10:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2019-08-18 07:10:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2019-08-18 07:10:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2019-08-18 07:10:37,291 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2019-08-18 07:10:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2019-08-18 07:10:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2019-08-18 07:10:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2019-08-18 07:10:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2019-08-18 07:10:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2019-08-18 07:10:37,292 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2019-08-18 07:10:37,293 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2019-08-18 07:10:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2019-08-18 07:10:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2019-08-18 07:10:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2019-08-18 07:10:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2019-08-18 07:10:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2019-08-18 07:10:37,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2019-08-18 07:10:37,295 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2019-08-18 07:10:37,296 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-08-18 07:10:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure myexit
[2019-08-18 07:10:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-08-18 07:10:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2019-08-18 07:10:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2019-08-18 07:10:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-08-18 07:10:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-08-18 07:10:37,653 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2019-08-18 07:10:38,048 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-08-18 07:10:38,049 INFO L283 CfgBuilder]: Removed 6 assume(true) statements.
[2019-08-18 07:10:38,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:10:38 BoogieIcfgContainer
[2019-08-18 07:10:38,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-18 07:10:38,053 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-18 07:10:38,053 INFO L271 PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-18 07:10:38,053 INFO L275 PluginConnector]: Symbolic Interpretation initialized
[2019-08-18 07:10:38,056 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:10:38" (1/1) ...
[2019-08-18 07:10:38,076 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-18 07:10:38,079 INFO L155 IcfgInterpreter]: Building call graph
[2019-08-18 07:10:38,093 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-08-18 07:10:38,104 INFO L165 IcfgInterpreter]: Starting interpretation
[2019-08-18 07:10:38,115 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1
[2019-08-18 07:10:38,204 INFO L375 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
[2019-08-18 07:10:38,204 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:38,220 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:38,220 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:38,220 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12
[2019-08-18 07:10:38,231 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23
[2019-08-18 07:10:38,255 WARN L89 DagInterpreter]: A function never reaches its return
[2019-08-18 07:10:38,296 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:38,306 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:38,879 WARN L188 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 86
[2019-08-18 07:10:38,879 INFO L567 ElimStorePlain]: treesize reduction 178, result has 48.7 percent of original size
[2019-08-18 07:10:38,885 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:38,990 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 83
[2019-08-18 07:10:38,991 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:38,992 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:38,993 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:345, output treesize:170
[2019-08-18 07:10:39,022 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,034 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,398 WARN L188 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 84
[2019-08-18 07:10:39,399 INFO L567 ElimStorePlain]: treesize reduction 168, result has 48.6 percent of original size
[2019-08-18 07:10:39,411 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,515 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80
[2019-08-18 07:10:39,516 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:39,518 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,519 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:351, output treesize:147
[2019-08-18 07:10:39,543 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,765 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 94
[2019-08-18 07:10:39,766 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:39,768 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,768 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:217, output treesize:221
[2019-08-18 07:10:39,812 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:10:39,863 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,871 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,892 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:39,906 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:42,110 WARN L188 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 155 DAG size of output: 139
[2019-08-18 07:10:42,111 INFO L567 ElimStorePlain]: treesize reduction 424, result has 49.1 percent of original size
[2019-08-18 07:10:42,123 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:42,132 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:42,763 WARN L188 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 132
[2019-08-18 07:10:42,765 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:42,767 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts.
[2019-08-18 07:10:42,768 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:881, output treesize:385
[2019-08-18 07:10:42,816 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:42,841 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:10:44,475 WARN L188 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 152
[2019-08-18 07:10:44,475 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:44,478 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts.
[2019-08-18 07:10:44,479 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:580, output treesize:614
[2019-08-18 07:10:44,566 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64
[2019-08-18 07:10:44,567 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,595 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 64
[2019-08-18 07:10:44,596 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,643 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:44,655 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 64 treesize of output 60
[2019-08-18 07:10:44,655 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,673 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60
[2019-08-18 07:10:44,674 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,715 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:44,722 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 60 treesize of output 41
[2019-08-18 07:10:44,723 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,730 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 60 treesize of output 41
[2019-08-18 07:10:44,730 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,757 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:44,759 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts.
[2019-08-18 07:10:44,759 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83
[2019-08-18 07:10:44,770 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_23|], 1=[|v_#valid_34|]}
[2019-08-18 07:10:44,783 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102
[2019-08-18 07:10:44,784 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,803 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102
[2019-08-18 07:10:44,804 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,929 WARN L188 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 73
[2019-08-18 07:10:44,930 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:44,945 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99
[2019-08-18 07:10:44,946 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:44,957 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99
[2019-08-18 07:10:44,958 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,055 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:45,059 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_48|], 6=[|v_#memory_$Pointer$.base_48|, |v_#memory_$Pointer$.offset_48|]}
[2019-08-18 07:10:45,069 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 96 treesize of output 92
[2019-08-18 07:10:45,070 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,080 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 96 treesize of output 92
[2019-08-18 07:10:45,081 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,172 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:45,209 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size
[2019-08-18 07:10:45,210 INFO L375 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 1 case distinctions, treesize of input 92 treesize of output 90
[2019-08-18 07:10:45,211 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,241 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size
[2019-08-18 07:10:45,242 INFO L375 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 1 case distinctions, treesize of input 92 treesize of output 84
[2019-08-18 07:10:45,244 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,345 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 69
[2019-08-18 07:10:45,345 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:45,380 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size
[2019-08-18 07:10:45,381 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 79
[2019-08-18 07:10:45,382 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,414 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size
[2019-08-18 07:10:45,415 INFO L375 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 1 case distinctions, treesize of input 87 treesize of output 79
[2019-08-18 07:10:45,416 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,524 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 64
[2019-08-18 07:10:45,525 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:45,525 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:10:45,526 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:10:45,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:10:45,528 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:10:45,529 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts.
[2019-08-18 07:10:45,530 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 9 variables, input treesize:207, output treesize:77
[2019-08-18 07:10:45,544 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 49
[2019-08-18 07:10:45,544 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,548 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 49
[2019-08-18 07:10:45,549 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,581 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:45,589 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 45
[2019-08-18 07:10:45,590 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,596 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45
[2019-08-18 07:10:45,596 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,626 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:45,632 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41
[2019-08-18 07:10:45,632 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,637 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 45 treesize of output 41
[2019-08-18 07:10:45,638 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:45,664 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:10:45,666 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts.
[2019-08-18 07:10:45,666 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83
[2019-08-18 07:10:45,672 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:10:45,695 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_50|], 24=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_50|, |v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_21|]}
[2019-08-18 07:10:45,849 INFO L189 IndexEqualityManager]: detected not equals via solver
[2019-08-18 07:10:46,156 INFO L235 Elim1Store]: Index analysis took 350 ms
[2019-08-18 07:10:46,770 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 200
[2019-08-18 07:10:46,771 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2019-08-18 07:10:47,028 INFO L189 IndexEqualityManager]: detected not equals via solver
[2019-08-18 07:10:47,216 INFO L235 Elim1Store]: Index analysis took 329 ms
[2019-08-18 07:10:47,628 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 200
[2019-08-18 07:10:47,629 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:00,749 WARN L188 SmtUtils]: Spent 13.12 s on a formula simplification. DAG size of input: 159 DAG size of output: 154
[2019-08-18 07:11:00,749 INFO L567 ElimStorePlain]: treesize reduction 167, result has 77.0 percent of original size
[2019-08-18 07:11:00,791 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:11:00,810 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:11:00,863 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:11:03,377 WARN L188 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 144
[2019-08-18 07:11:03,378 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:11:03,395 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:03,447 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:11:03,448 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 170
[2019-08-18 07:11:03,450 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:03,486 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:11:03,487 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 170
[2019-08-18 07:11:03,488 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:04,849 WARN L188 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 143 DAG size of output: 133
[2019-08-18 07:11:04,849 INFO L567 ElimStorePlain]: treesize reduction 72, result has 82.7 percent of original size
[2019-08-18 07:11:04,936 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size
[2019-08-18 07:11:04,937 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 139
[2019-08-18 07:11:04,938 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:04,947 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:05,033 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size
[2019-08-18 07:11:05,034 INFO L375 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 139
[2019-08-18 07:11:05,036 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:05,590 WARN L188 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 124
[2019-08-18 07:11:05,590 INFO L567 ElimStorePlain]: treesize reduction 84, result has 78.7 percent of original size
[2019-08-18 07:11:05,644 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:11:05,645 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 129
[2019-08-18 07:11:05,646 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:11:05,647 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:05,653 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.
[2019-08-18 07:11:05,693 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-18 07:11:05,693 INFO L375 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 1 case distinctions, treesize of input 96 treesize of output 129
[2019-08-18 07:11:05,694 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:11:05,695 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts.
[2019-08-18 07:11:06,140 WARN L188 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119
[2019-08-18 07:11:06,140 INFO L567 ElimStorePlain]: treesize reduction 44, result has 87.6 percent of original size
[2019-08-18 07:11:06,141 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms
[2019-08-18 07:11:06,142 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms
[2019-08-18 07:11:06,143 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms
[2019-08-18 07:11:06,144 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms
[2019-08-18 07:11:06,145 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts.
[2019-08-18 07:11:06,146 INFO L221 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:805, output treesize:178
[2019-08-18 07:11:06,204 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-18 07:11:06,209 INFO L169 IcfgInterpreter]: Interpretation finished
[2019-08-18 07:11:06,209 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are:
[2019-08-18 07:11:06,212 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 155#(and (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (or (not (= main_~p~0.offset 0)) (not (= 0 main_~p~0.base))))
[2019-08-18 07:11:06,222 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results.
[2019-08-18 07:11:06,223 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation----------------------------
[2019-08-18 07:11:06,233 INFO L168 Benchmark]: Toolchain (without parser) took 29777.15 ms. Allocated memory was 131.6 MB in the beginning and 326.1 MB in the end (delta: 194.5 MB). Free memory was 84.8 MB in the beginning and 99.4 MB in the end (delta: -14.6 MB). Peak memory consumption was 180.6 MB. Max. memory is 7.1 GB.
[2019-08-18 07:11:06,236 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
[2019-08-18 07:11:06,237 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.36 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 84.6 MB in the beginning and 160.2 MB in the end (delta: -75.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB.
[2019-08-18 07:11:06,237 INFO L168 Benchmark]: Boogie Preprocessor took 92.66 ms. Allocated memory is still 197.1 MB. Free memory was 160.2 MB in the beginning and 157.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB.
[2019-08-18 07:11:06,238 INFO L168 Benchmark]: RCFGBuilder took 831.32 ms. Allocated memory is still 197.1 MB. Free memory was 157.0 MB in the beginning and 101.4 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB.
[2019-08-18 07:11:06,245 INFO L168 Benchmark]: Symbolic Interpretation took 28169.99 ms. Allocated memory was 197.1 MB in the beginning and 326.1 MB in the end (delta: 129.0 MB). Free memory was 100.8 MB in the beginning and 99.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 131.0 MB. Max. memory is 7.1 GB.
[2019-08-18 07:11:06,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation:
- UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: Over-approximation of reachable states at this location is 155#(and (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (or (not (= main_~p~0.offset 0)) (not (= 0 main_~p~0.base)))).
Possible FailurePath:
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 679.36 ms. Allocated memory was 131.6 MB in the beginning and 197.1 MB in the end (delta: 65.5 MB). Free memory was 84.6 MB in the beginning and 160.2 MB in the end (delta: -75.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 92.66 ms. Allocated memory is still 197.1 MB. Free memory was 160.2 MB in the beginning and 157.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 831.32 ms. Allocated memory is still 197.1 MB. Free memory was 157.0 MB in the beginning and 101.4 MB in the end (delta: 55.6 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB.
* Symbolic Interpretation took 28169.99 ms. Allocated memory was 197.1 MB in the beginning and 326.1 MB in the end (delta: 129.0 MB). Free memory was 100.8 MB in the beginning and 99.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 131.0 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...