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-properties/list-2.i


--------------------------------------------------------------------------------


This is Ultimate 0.1.24-fab3c18
[2019-08-22 21:43:33,597 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-08-22 21:43:33,599 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2019-08-22 21:43:33,610 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-08-22 21:43:33,611 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-08-22 21:43:33,612 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-08-22 21:43:33,613 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-08-22 21:43:33,615 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2019-08-22 21:43:33,617 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-08-22 21:43:33,618 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-08-22 21:43:33,619 INFO  L181        SettingsManager]: Resetting Symbolic Interpretation preferences to default values
[2019-08-22 21:43:33,620 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-08-22 21:43:33,620 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-08-22 21:43:33,621 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-08-22 21:43:33,622 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-08-22 21:43:33,623 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-08-22 21:43:33,624 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-08-22 21:43:33,628 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-08-22 21:43:33,630 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-08-22 21:43:33,632 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-08-22 21:43:33,635 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-08-22 21:43:33,638 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-08-22 21:43:33,638 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2019-08-22 21:43:33,641 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-08-22 21:43:33,644 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-08-22 21:43:33,645 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-08-22 21:43:33,645 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-08-22 21:43:33,648 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-08-22 21:43:33,649 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
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[2019-08-22 21:43:33,650 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-08-22 21:43:33,658 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2019-08-22 21:43:33,659 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2019-08-22 21:43:33,660 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2019-08-22 21:43:33,662 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
[2019-08-22 21:43:33,684 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-08-22 21:43:33,685 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-08-22 21:43:33,687 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-08-22 21:43:33,687 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-08-22 21:43:33,687 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-08-22 21:43:33,688 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-08-22 21:43:33,688 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-08-22 21:43:33,688 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-08-22 21:43:33,688 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-08-22 21:43:33,689 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-08-22 21:43:33,689 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-08-22 21:43:33,690 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-08-22 21:43:33,690 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-08-22 21:43:33,690 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-08-22 21:43:33,691 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-08-22 21:43:33,691 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-08-22 21:43:33,691 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-08-22 21:43:33,691 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-08-22 21:43:33,691 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-08-22 21:43:33,692 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-08-22 21:43:33,692 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-08-22 21:43:33,692 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-08-22 21:43:33,692 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-08-22 21:43:33,692 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-08-22 21:43:33,693 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-08-22 21:43:33,693 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-08-22 21:43:33,693 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2019-08-22 21:43:33,693 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-08-22 21:43:33,693 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-08-22 21:43:33,746 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-08-22 21:43:33,764 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-08-22 21:43:33,767 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-08-22 21:43:33,770 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-08-22 21:43:33,771 INFO  L275        PluginConnector]: CDTParser initialized
[2019-08-22 21:43:33,772 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/list-2.i
[2019-08-22 21:43:33,844 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d79527158/b9f82810b0094fc5aa258c218ed762e1/FLAG597231cea
[2019-08-22 21:43:34,344 INFO  L306              CDTParser]: Found 1 translation units.
[2019-08-22 21:43:34,345 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/list-2.i
[2019-08-22 21:43:34,358 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d79527158/b9f82810b0094fc5aa258c218ed762e1/FLAG597231cea
[2019-08-22 21:43:34,640 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d79527158/b9f82810b0094fc5aa258c218ed762e1
[2019-08-22 21:43:34,649 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-08-22 21:43:34,650 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-08-22 21:43:34,651 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-08-22 21:43:34,651 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-08-22 21:43:34,655 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-08-22 21:43:34,655 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:43:34" (1/1) ...
[2019-08-22 21:43:34,658 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2ab47c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:34, skipping insertion in model container
[2019-08-22 21:43:34,658 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:43:34" (1/1) ...
[2019-08-22 21:43:34,665 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-08-22 21:43:34,704 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-08-22 21:43:35,189 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-08-22 21:43:35,209 INFO  L188         MainTranslator]: Completed pre-run
[2019-08-22 21:43:35,290 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-08-22 21:43:35,355 INFO  L192         MainTranslator]: Completed translation
[2019-08-22 21:43:35,356 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35 WrapperNode
[2019-08-22 21:43:35,356 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-08-22 21:43:35,357 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-08-22 21:43:35,357 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-08-22 21:43:35,357 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-08-22 21:43:35,371 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (1/1) ...
[2019-08-22 21:43:35,371 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (1/1) ...
[2019-08-22 21:43:35,387 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (1/1) ...
[2019-08-22 21:43:35,388 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (1/1) ...
[2019-08-22 21:43:35,404 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (1/1) ...
[2019-08-22 21:43:35,410 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (1/1) ...
[2019-08-22 21:43:35,413 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (1/1) ...
[2019-08-22 21:43:35,420 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-08-22 21:43:35,420 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-08-22 21:43:35,420 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-08-22 21:43:35,421 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-08-22 21:43:35,421 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:43:35" (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
[2019-08-22 21:43:35,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-08-22 21:43:35,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-08-22 21:43:35,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_32
[2019-08-22 21:43:35,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure __bswap_64
[2019-08-22 21:43:35,483 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint16_identity
[2019-08-22 21:43:35,484 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint32_identity
[2019-08-22 21:43:35,484 INFO  L138     BoogieDeclarations]: Found implementation of procedure __uint64_identity
[2019-08-22 21:43:35,484 INFO  L138     BoogieDeclarations]: Found implementation of procedure myexit
[2019-08-22 21:43:35,484 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-08-22 21:43:35,484 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-08-22 21:43:35,485 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-08-22 21:43:35,485 INFO  L130     BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2019-08-22 21:43:35,485 INFO  L130     BoogieDeclarations]: Found specification of procedure atof
[2019-08-22 21:43:35,485 INFO  L130     BoogieDeclarations]: Found specification of procedure atoi
[2019-08-22 21:43:35,485 INFO  L130     BoogieDeclarations]: Found specification of procedure atol
[2019-08-22 21:43:35,485 INFO  L130     BoogieDeclarations]: Found specification of procedure atoll
[2019-08-22 21:43:35,486 INFO  L130     BoogieDeclarations]: Found specification of procedure strtod
[2019-08-22 21:43:35,486 INFO  L130     BoogieDeclarations]: Found specification of procedure strtof
[2019-08-22 21:43:35,486 INFO  L130     BoogieDeclarations]: Found specification of procedure strtold
[2019-08-22 21:43:35,486 INFO  L130     BoogieDeclarations]: Found specification of procedure strtol
[2019-08-22 21:43:35,486 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoul
[2019-08-22 21:43:35,486 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoq
[2019-08-22 21:43:35,487 INFO  L130     BoogieDeclarations]: Found specification of procedure strtouq
[2019-08-22 21:43:35,487 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoll
[2019-08-22 21:43:35,487 INFO  L130     BoogieDeclarations]: Found specification of procedure strtoull
[2019-08-22 21:43:35,487 INFO  L130     BoogieDeclarations]: Found specification of procedure l64a
[2019-08-22 21:43:35,487 INFO  L130     BoogieDeclarations]: Found specification of procedure a64l
[2019-08-22 21:43:35,487 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_32
[2019-08-22 21:43:35,488 INFO  L130     BoogieDeclarations]: Found specification of procedure __bswap_64
[2019-08-22 21:43:35,488 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint16_identity
[2019-08-22 21:43:35,488 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint32_identity
[2019-08-22 21:43:35,488 INFO  L130     BoogieDeclarations]: Found specification of procedure __uint64_identity
[2019-08-22 21:43:35,488 INFO  L130     BoogieDeclarations]: Found specification of procedure select
[2019-08-22 21:43:35,488 INFO  L130     BoogieDeclarations]: Found specification of procedure pselect
[2019-08-22 21:43:35,489 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2019-08-22 21:43:35,489 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2019-08-22 21:43:35,489 INFO  L130     BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2019-08-22 21:43:35,489 INFO  L130     BoogieDeclarations]: Found specification of procedure random
[2019-08-22 21:43:35,489 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom
[2019-08-22 21:43:35,489 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate
[2019-08-22 21:43:35,490 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate
[2019-08-22 21:43:35,490 INFO  L130     BoogieDeclarations]: Found specification of procedure random_r
[2019-08-22 21:43:35,490 INFO  L130     BoogieDeclarations]: Found specification of procedure srandom_r
[2019-08-22 21:43:35,490 INFO  L130     BoogieDeclarations]: Found specification of procedure initstate_r
[2019-08-22 21:43:35,490 INFO  L130     BoogieDeclarations]: Found specification of procedure setstate_r
[2019-08-22 21:43:35,490 INFO  L130     BoogieDeclarations]: Found specification of procedure rand
[2019-08-22 21:43:35,491 INFO  L130     BoogieDeclarations]: Found specification of procedure srand
[2019-08-22 21:43:35,491 INFO  L130     BoogieDeclarations]: Found specification of procedure rand_r
[2019-08-22 21:43:35,491 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48
[2019-08-22 21:43:35,491 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48
[2019-08-22 21:43:35,491 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48
[2019-08-22 21:43:35,491 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48
[2019-08-22 21:43:35,491 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48
[2019-08-22 21:43:35,492 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48
[2019-08-22 21:43:35,492 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48
[2019-08-22 21:43:35,492 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48
[2019-08-22 21:43:35,492 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48
[2019-08-22 21:43:35,492 INFO  L130     BoogieDeclarations]: Found specification of procedure drand48_r
[2019-08-22 21:43:35,492 INFO  L130     BoogieDeclarations]: Found specification of procedure erand48_r
[2019-08-22 21:43:35,492 INFO  L130     BoogieDeclarations]: Found specification of procedure lrand48_r
[2019-08-22 21:43:35,493 INFO  L130     BoogieDeclarations]: Found specification of procedure nrand48_r
[2019-08-22 21:43:35,493 INFO  L130     BoogieDeclarations]: Found specification of procedure mrand48_r
[2019-08-22 21:43:35,493 INFO  L130     BoogieDeclarations]: Found specification of procedure jrand48_r
[2019-08-22 21:43:35,493 INFO  L130     BoogieDeclarations]: Found specification of procedure srand48_r
[2019-08-22 21:43:35,493 INFO  L130     BoogieDeclarations]: Found specification of procedure seed48_r
[2019-08-22 21:43:35,493 INFO  L130     BoogieDeclarations]: Found specification of procedure lcong48_r
[2019-08-22 21:43:35,493 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2019-08-22 21:43:35,494 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2019-08-22 21:43:35,494 INFO  L130     BoogieDeclarations]: Found specification of procedure realloc
[2019-08-22 21:43:35,494 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2019-08-22 21:43:35,494 INFO  L130     BoogieDeclarations]: Found specification of procedure alloca
[2019-08-22 21:43:35,494 INFO  L130     BoogieDeclarations]: Found specification of procedure valloc
[2019-08-22 21:43:35,494 INFO  L130     BoogieDeclarations]: Found specification of procedure posix_memalign
[2019-08-22 21:43:35,495 INFO  L130     BoogieDeclarations]: Found specification of procedure aligned_alloc
[2019-08-22 21:43:35,495 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2019-08-22 21:43:35,495 INFO  L130     BoogieDeclarations]: Found specification of procedure atexit
[2019-08-22 21:43:35,495 INFO  L130     BoogieDeclarations]: Found specification of procedure at_quick_exit
[2019-08-22 21:43:35,495 INFO  L130     BoogieDeclarations]: Found specification of procedure on_exit
[2019-08-22 21:43:35,495 INFO  L130     BoogieDeclarations]: Found specification of procedure exit
[2019-08-22 21:43:35,496 INFO  L130     BoogieDeclarations]: Found specification of procedure quick_exit
[2019-08-22 21:43:35,496 INFO  L130     BoogieDeclarations]: Found specification of procedure _Exit
[2019-08-22 21:43:35,496 INFO  L130     BoogieDeclarations]: Found specification of procedure getenv
[2019-08-22 21:43:35,496 INFO  L130     BoogieDeclarations]: Found specification of procedure putenv
[2019-08-22 21:43:35,496 INFO  L130     BoogieDeclarations]: Found specification of procedure setenv
[2019-08-22 21:43:35,496 INFO  L130     BoogieDeclarations]: Found specification of procedure unsetenv
[2019-08-22 21:43:35,496 INFO  L130     BoogieDeclarations]: Found specification of procedure clearenv
[2019-08-22 21:43:35,497 INFO  L130     BoogieDeclarations]: Found specification of procedure mktemp
[2019-08-22 21:43:35,497 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemp
[2019-08-22 21:43:35,497 INFO  L130     BoogieDeclarations]: Found specification of procedure mkstemps
[2019-08-22 21:43:35,497 INFO  L130     BoogieDeclarations]: Found specification of procedure mkdtemp
[2019-08-22 21:43:35,497 INFO  L130     BoogieDeclarations]: Found specification of procedure system
[2019-08-22 21:43:35,497 INFO  L130     BoogieDeclarations]: Found specification of procedure realpath
[2019-08-22 21:43:35,497 INFO  L130     BoogieDeclarations]: Found specification of procedure bsearch
[2019-08-22 21:43:35,498 INFO  L130     BoogieDeclarations]: Found specification of procedure qsort
[2019-08-22 21:43:35,498 INFO  L130     BoogieDeclarations]: Found specification of procedure abs
[2019-08-22 21:43:35,498 INFO  L130     BoogieDeclarations]: Found specification of procedure labs
[2019-08-22 21:43:35,498 INFO  L130     BoogieDeclarations]: Found specification of procedure llabs
[2019-08-22 21:43:35,498 INFO  L130     BoogieDeclarations]: Found specification of procedure div
[2019-08-22 21:43:35,498 INFO  L130     BoogieDeclarations]: Found specification of procedure ldiv
[2019-08-22 21:43:35,499 INFO  L130     BoogieDeclarations]: Found specification of procedure lldiv
[2019-08-22 21:43:35,499 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt
[2019-08-22 21:43:35,499 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt
[2019-08-22 21:43:35,499 INFO  L130     BoogieDeclarations]: Found specification of procedure gcvt
[2019-08-22 21:43:35,499 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt
[2019-08-22 21:43:35,499 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt
[2019-08-22 21:43:35,499 INFO  L130     BoogieDeclarations]: Found specification of procedure qgcvt
[2019-08-22 21:43:35,500 INFO  L130     BoogieDeclarations]: Found specification of procedure ecvt_r
[2019-08-22 21:43:35,500 INFO  L130     BoogieDeclarations]: Found specification of procedure fcvt_r
[2019-08-22 21:43:35,500 INFO  L130     BoogieDeclarations]: Found specification of procedure qecvt_r
[2019-08-22 21:43:35,500 INFO  L130     BoogieDeclarations]: Found specification of procedure qfcvt_r
[2019-08-22 21:43:35,500 INFO  L130     BoogieDeclarations]: Found specification of procedure mblen
[2019-08-22 21:43:35,500 INFO  L130     BoogieDeclarations]: Found specification of procedure mbtowc
[2019-08-22 21:43:35,500 INFO  L130     BoogieDeclarations]: Found specification of procedure wctomb
[2019-08-22 21:43:35,501 INFO  L130     BoogieDeclarations]: Found specification of procedure mbstowcs
[2019-08-22 21:43:35,501 INFO  L130     BoogieDeclarations]: Found specification of procedure wcstombs
[2019-08-22 21:43:35,501 INFO  L130     BoogieDeclarations]: Found specification of procedure rpmatch
[2019-08-22 21:43:35,501 INFO  L130     BoogieDeclarations]: Found specification of procedure getsubopt
[2019-08-22 21:43:35,501 INFO  L130     BoogieDeclarations]: Found specification of procedure getloadavg
[2019-08-22 21:43:35,501 INFO  L130     BoogieDeclarations]: Found specification of procedure myexit
[2019-08-22 21:43:35,501 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-08-22 21:43:35,502 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2019-08-22 21:43:35,502 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-08-22 21:43:35,502 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2019-08-22 21:43:35,502 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2019-08-22 21:43:35,502 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-08-22 21:43:35,502 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-08-22 21:43:35,502 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-08-22 21:43:35,503 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-08-22 21:43:35,880 INFO  L684   $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true;
[2019-08-22 21:43:36,041 INFO  L278             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-08-22 21:43:36,041 INFO  L283             CfgBuilder]: Removed 4 assume(true) statements.
[2019-08-22 21:43:36,043 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:43:36 BoogieIcfgContainer
[2019-08-22 21:43:36,043 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-08-22 21:43:36,044 INFO  L113        PluginConnector]: ------------------------Symbolic Interpretation----------------------------
[2019-08-22 21:43:36,044 INFO  L271        PluginConnector]: Initializing Symbolic Interpretation...
[2019-08-22 21:43:36,044 INFO  L275        PluginConnector]: Symbolic Interpretation initialized
[2019-08-22 21:43:36,045 INFO  L185        PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:43:36" (1/1) ...
[2019-08-22 21:43:36,059 INFO  L148        IcfgInterpreter]: Started Sifa with 1 locations of interest
[2019-08-22 21:43:36,061 INFO  L155        IcfgInterpreter]: Building call graph
[2019-08-22 21:43:36,067 INFO  L160        IcfgInterpreter]: Initial procedures are [ULTIMATE.start]
[2019-08-22 21:43:36,077 INFO  L165        IcfgInterpreter]: Starting interpretation
[2019-08-22 21:43:36,078 INFO  L185        IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1
[2019-08-22 21:43:36,154 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
[2019-08-22 21:43:36,155 INFO  L496         ElimStorePlain]: Start of recursive call 2:  End of recursive call:  and 1 xjuncts.
[2019-08-22 21:43:36,172 INFO  L567         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-22 21:43:36,172 INFO  L496         ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars,  End of recursive call:  and 1 xjuncts.
[2019-08-22 21:43:36,173 INFO  L221         ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12
[2019-08-22 21:43:36,194 INFO  L185        IcfgInterpreter]: Interpreting procedure main with input of size 27
[2019-08-22 21:43:36,265 WARN  L89          DagInterpreter]: A function never reaches its return
[2019-08-22 21:43:36,393 INFO  L496         ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:36,409 INFO  L496         ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:36,424 INFO  L496         ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:36,439 INFO  L496         ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:36,453 INFO  L496         ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:36,466 INFO  L496         ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:36,480 INFO  L496         ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:36,494 INFO  L496         ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:37,196 WARN  L188               SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 87
[2019-08-22 21:43:37,197 INFO  L567         ElimStorePlain]: treesize reduction 1481, result has 10.2 percent of original size
[2019-08-22 21:43:37,203 INFO  L496         ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:37,323 WARN  L188               SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 83
[2019-08-22 21:43:37,323 INFO  L567         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-22 21:43:37,325 INFO  L496         ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars,  End of recursive call: 2 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:37,325 INFO  L221         ElimStorePlain]: Needed 10 recursive calls to eliminate 2 variables, input treesize:1745, output treesize:156
[2019-08-22 21:43:37,347 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-22 21:43:37,399 INFO  L496         ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:38,832 WARN  L188               SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 134 DAG size of output: 119
[2019-08-22 21:43:38,833 INFO  L567         ElimStorePlain]: treesize reduction 490, result has 42.3 percent of original size
[2019-08-22 21:43:38,835 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 2 xjuncts.
[2019-08-22 21:43:38,836 INFO  L221         ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:845, output treesize:359
[2019-08-22 21:43:38,875 INFO  L496         ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:38,887 INFO  L496         ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:38,917 INFO  L496         ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:38,929 INFO  L496         ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:43,526 WARN  L188               SmtUtils]: Spent 4.60 s on a formula simplification. DAG size of input: 161 DAG size of output: 145
[2019-08-22 21:43:43,526 INFO  L567         ElimStorePlain]: treesize reduction 454, result has 49.2 percent of original size
[2019-08-22 21:43:43,545 INFO  L496         ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:43,557 INFO  L496         ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:43:44,484 WARN  L188               SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 138
[2019-08-22 21:43:44,485 INFO  L567         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-22 21:43:44,487 INFO  L496         ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 2 dim-2 vars,  End of recursive call: 9 dim-0 vars,  and 2 xjuncts.
[2019-08-22 21:43:44,488 INFO  L221         ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:941, output treesize:415
[2019-08-22 21:43:44,526 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-22 21:43:44,529 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-22 21:43:44,535 INFO  L319       QuantifierPusher]: Applying distributivity, recursing on 2 terms
[2019-08-22 21:43:44,594 INFO  L496         ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:16,195 WARN  L188               SmtUtils]: Spent 31.60 s on a formula simplification. DAG size of input: 226 DAG size of output: 211
[2019-08-22 21:44:16,195 INFO  L567         ElimStorePlain]: treesize reduction 508, result has 66.2 percent of original size
[2019-08-22 21:44:16,238 INFO  L496         ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:30,547 WARN  L188               SmtUtils]: Spent 14.31 s on a formula simplification that was a NOOP. DAG size: 208
[2019-08-22 21:44:30,548 INFO  L567         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-22 21:44:30,585 INFO  L496         ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:45,243 WARN  L188               SmtUtils]: Spent 14.66 s on a formula simplification that was a NOOP. DAG size: 205
[2019-08-22 21:44:45,244 INFO  L567         ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size
[2019-08-22 21:44:45,247 INFO  L496         ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 3 dim-2 vars,  End of recursive call: 14 dim-0 vars,  and 4 xjuncts.
[2019-08-22 21:44:45,248 INFO  L221         ElimStorePlain]: Needed 4 recursive calls to eliminate 14 variables, input treesize:1472, output treesize:1002
[2019-08-22 21:44:45,300 INFO  L496         ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:45,366 INFO  L496         ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:45,381 INFO  L496         ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:45,394 INFO  L496         ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:46,077 INFO  L496         ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:46,270 INFO  L496         ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:46,462 INFO  L496         ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.
[2019-08-22 21:44:46,491 INFO  L496         ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars,  End of recursive call: 1 dim-0 vars,  and 1 xjuncts.