/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/forester-heap/sll-optional-2.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-36cd7be
[2021-02-23 18:09:39,537 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-23 18:09:39,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-23 18:09:39,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-23 18:09:39,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-23 18:09:39,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-23 18:09:39,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-02-23 18:09:39,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-02-23 18:09:39,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-02-23 18:09:39,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-02-23 18:09:39,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-02-23 18:09:39,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-23 18:09:39,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-23 18:09:39,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-23 18:09:39,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-23 18:09:39,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-23 18:09:39,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-23 18:09:39,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-23 18:09:39,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-23 18:09:39,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-23 18:09:39,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-23 18:09:39,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-23 18:09:39,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-23 18:09:39,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-23 18:09:39,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-02-23 18:09:39,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-02-23 18:09:39,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-02-23 18:09:39,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-02-23 18:09:39,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-02-23 18:09:39,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-02-23 18:09:39,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-02-23 18:09:39,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-02-23 18:09:39,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-02-23 18:09:39,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-02-23 18:09:39,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-02-23 18:09:39,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-02-23 18:09:39,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-02-23 18:09:39,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-02-23 18:09:39,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-02-23 18:09:39,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-02-23 18:09:39,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-23 18:09:39,695 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2021-02-23 18:09:39,718 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-23 18:09:39,718 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-23 18:09:39,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-23 18:09:39,722 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-23 18:09:39,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-23 18:09:39,722 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-23 18:09:39,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-23 18:09:39,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-23 18:09:39,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-23 18:09:39,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-23 18:09:39,724 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-23 18:09:39,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-23 18:09:39,725 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-23 18:09:39,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-23 18:09:39,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-23 18:09:39,726 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-23 18:09:39,726 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-23 18:09:39,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-23 18:09:39,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-23 18:09:39,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-23 18:09:39,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-23 18:09:39,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-23 18:09:39,727 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-23 18:09:40,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-23 18:09:40,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-23 18:09:40,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-23 18:09:40,171 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-23 18:09:40,173 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-23 18:09:40,174 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional-2.i
[2021-02-23 18:09:40,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2e0d4f7/6b0944ef48d5441593ab551cdb290b0a/FLAGff5f3c9e5
[2021-02-23 18:09:41,067 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-23 18:09:41,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-2.i
[2021-02-23 18:09:41,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2e0d4f7/6b0944ef48d5441593ab551cdb290b0a/FLAGff5f3c9e5
[2021-02-23 18:09:41,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe2e0d4f7/6b0944ef48d5441593ab551cdb290b0a
[2021-02-23 18:09:41,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-23 18:09:41,308 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-23 18:09:41,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-23 18:09:41,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-23 18:09:41,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-23 18:09:41,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:41,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae1090d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41, skipping insertion in model container
[2021-02-23 18:09:41,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:41,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-23 18:09:41,399 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-23 18:09:41,742 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-2.i[22641,22654]
[2021-02-23 18:09:41,752 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-23 18:09:41,761 INFO L203 MainTranslator]: Completed pre-run
[2021-02-23 18:09:41,803 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-2.i[22641,22654]
[2021-02-23 18:09:41,808 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-23 18:09:41,920 INFO L208 MainTranslator]: Completed translation
[2021-02-23 18:09:41,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41 WrapperNode
[2021-02-23 18:09:41,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-23 18:09:41,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-23 18:09:41,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-23 18:09:41,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-23 18:09:41,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:41,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:41,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:41,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:42,023 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:42,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:42,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (1/1) ...
[2021-02-23 18:09:42,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-23 18:09:42,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-23 18:09:42,058 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-23 18:09:42,058 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-23 18:09:42,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (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
[2021-02-23 18:09:42,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-23 18:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-23 18:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-23 18:09:42,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-23 18:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2021-02-23 18:09:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2021-02-23 18:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2021-02-23 18:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2021-02-23 18:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2021-02-23 18:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2021-02-23 18:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2021-02-23 18:09:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2021-02-23 18:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2021-02-23 18:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2021-02-23 18:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2021-02-23 18:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2021-02-23 18:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2021-02-23 18:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2021-02-23 18:09:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2021-02-23 18:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2021-02-23 18:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2021-02-23 18:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2021-02-23 18:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2021-02-23 18:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2021-02-23 18:09:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2021-02-23 18:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2021-02-23 18:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2021-02-23 18:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2021-02-23 18:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2021-02-23 18:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2021-02-23 18:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2021-02-23 18:09:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2021-02-23 18:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2021-02-23 18:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2021-02-23 18:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2021-02-23 18:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2021-02-23 18:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2021-02-23 18:09:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2021-02-23 18:09:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2021-02-23 18:09:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2021-02-23 18:09:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2021-02-23 18:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2021-02-23 18:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-23 18:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2021-02-23 18:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2021-02-23 18:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2021-02-23 18:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2021-02-23 18:09:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2021-02-23 18:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2021-02-23 18:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2021-02-23 18:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2021-02-23 18:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2021-02-23 18:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2021-02-23 18:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2021-02-23 18:09:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2021-02-23 18:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2021-02-23 18:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2021-02-23 18:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2021-02-23 18:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2021-02-23 18:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2021-02-23 18:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2021-02-23 18:09:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2021-02-23 18:09:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2021-02-23 18:09:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2021-02-23 18:09:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2021-02-23 18:09:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2021-02-23 18:09:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2021-02-23 18:09:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2021-02-23 18:09:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2021-02-23 18:09:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2021-02-23 18:09:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-23 18:09:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-23 18:09:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-23 18:09:42,770 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-23 18:09:42,770 INFO L299 CfgBuilder]: Removed 5 assume(true) statements.
[2021-02-23 18:09:42,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:09:42 BoogieIcfgContainer
[2021-02-23 18:09:42,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-23 18:09:42,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-23 18:09:42,774 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-23 18:09:42,778 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-23 18:09:42,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:09:41" (1/3) ...
[2021-02-23 18:09:42,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215e9a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:09:42, skipping insertion in model container
[2021-02-23 18:09:42,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:09:41" (2/3) ...
[2021-02-23 18:09:42,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215e9a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:09:42, skipping insertion in model container
[2021-02-23 18:09:42,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:09:42" (3/3) ...
[2021-02-23 18:09:42,781 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-optional-2.i
[2021-02-23 18:09:42,788 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-23 18:09:42,793 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-23 18:09:42,811 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-23 18:09:42,836 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-23 18:09:42,836 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-23 18:09:42,836 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-02-23 18:09:42,836 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-23 18:09:42,836 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-23 18:09:42,837 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-23 18:09:42,837 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-23 18:09:42,837 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-23 18:09:42,856 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states.
[2021-02-23 18:09:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2021-02-23 18:09:42,867 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 18:09:42,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-23 18:09:42,869 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 18:09:42,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 18:09:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash -163218138, now seen corresponding path program 1 times
[2021-02-23 18:09:42,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-23 18:09:42,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [796366962]
[2021-02-23 18:09:42,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 18:09:42,979 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-23 18:09:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:09:43,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:09:43,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:09:43,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:09:43,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:09:43,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-23 18:09:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-23 18:09:43,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-23 18:09:43,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-23 18:09:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-23 18:09:43,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [796366962]
[2021-02-23 18:09:43,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-23 18:09:43,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-23 18:09:43,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927017636]
[2021-02-23 18:09:43,233 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-23 18:09:43,233 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2021-02-23 18:09:43,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-23 18:09:43,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-23 18:09:43,250 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 3 states.
[2021-02-23 18:09:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-23 18:09:43,451 INFO L93 Difference]: Finished difference Result 140 states and 162 transitions.
[2021-02-23 18:09:43,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-02-23 18:09:43,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34
[2021-02-23 18:09:43,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-23 18:09:43,463 INFO L225 Difference]: With dead ends: 140
[2021-02-23 18:09:43,463 INFO L226 Difference]: Without dead ends: 81
[2021-02-23 18:09:43,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-23 18:09:43,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2021-02-23 18:09:43,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2021-02-23 18:09:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states.
[2021-02-23 18:09:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 87 transitions.
[2021-02-23 18:09:43,514 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 87 transitions. Word has length 34
[2021-02-23 18:09:43,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-23 18:09:43,515 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 87 transitions.
[2021-02-23 18:09:43,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-02-23 18:09:43,515 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions.
[2021-02-23 18:09:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-02-23 18:09:43,517 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-23 18:09:43,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-23 18:09:43,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-23 18:09:43,517 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-23 18:09:43,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-23 18:09:43,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1015160803, now seen corresponding path program 1 times
[2021-02-23 18:09:43,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-23 18:09:43,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046203791]
[2021-02-23 18:09:43,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-23 18:09:43,525 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-23 18:09:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-23 18:09:43,568 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-23 18:09:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-23 18:09:43,616 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-23 18:09:43,671 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2021-02-23 18:09:43,671 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-02-23 18:09:43,672 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-02-23 18:09:43,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:09:43 BoogieIcfgContainer
[2021-02-23 18:09:43,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-23 18:09:43,692 INFO L168 Benchmark]: Toolchain (without parser) took 2395.31 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 81.0 MB in the end (delta: 45.6 MB). Peak memory consumption was 45.9 MB. Max. memory is 8.0 GB.
[2021-02-23 18:09:43,693 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-23 18:09:43,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.31 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 133.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB.
[2021-02-23 18:09:43,694 INFO L168 Benchmark]: Boogie Preprocessor took 135.15 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 131.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2021-02-23 18:09:43,695 INFO L168 Benchmark]: RCFGBuilder took 714.05 ms. Allocated memory is still 151.0 MB. Free memory was 130.7 MB in the beginning and 81.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB.
[2021-02-23 18:09:43,696 INFO L168 Benchmark]: TraceAbstraction took 916.22 ms. Allocated memory is still 151.0 MB. Free memory was 80.8 MB in the beginning and 81.0 MB in the end (delta: -188.8 kB). Peak memory consumption was 272.9 kB. Max. memory is 8.0 GB.
[2021-02-23 18:09:43,702 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory is still 124.9 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 606.31 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 133.9 MB in the end (delta: -8.5 MB). Peak memory consumption was 26.8 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 135.15 ms. Allocated memory is still 151.0 MB. Free memory was 133.9 MB in the beginning and 131.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 714.05 ms. Allocated memory is still 151.0 MB. Free memory was 130.7 MB in the beginning and 81.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 916.22 ms. Allocated memory is still 151.0 MB. Free memory was 80.8 MB in the beginning and 81.0 MB in the end (delta: -188.8 kB). Peak memory consumption was 272.9 kB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1007]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L996] SLL* head = malloc(sizeof(SLL));
[L997] head->next = ((void*)0)
[L998] COND FALSE !(__VERIFIER_nondet_int())
[L998] COND TRUE __VERIFIER_nondet_int()
[L998] head->data = 1
[L998] head->opt = head
[L999] SLL* x = head;
[L1001] COND FALSE !(__VERIFIER_nondet_int())
[L1004] x = head
[L1005] COND TRUE x != ((void*)0)
[L1007] EXPR x->data
[L1007] EXPR x->data == 2 && x->opt == x
[L1007] COND TRUE !(x->data == 2 && x->opt == x)
[L1007] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 107 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 102 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...