/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/dll-simple-white-blue-1.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-72570d3
[2020-08-22 19:06:32,727 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-08-22 19:06:32,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-08-22 19:06:32,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-08-22 19:06:32,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-08-22 19:06:32,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-08-22 19:06:32,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-08-22 19:06:32,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-08-22 19:06:32,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-08-22 19:06:32,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-08-22 19:06:32,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-08-22 19:06:32,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-08-22 19:06:32,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-08-22 19:06:32,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-08-22 19:06:32,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-08-22 19:06:32,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-08-22 19:06:32,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-08-22 19:06:32,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-08-22 19:06:32,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-08-22 19:06:32,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-08-22 19:06:32,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-08-22 19:06:32,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-08-22 19:06:32,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-08-22 19:06:32,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-08-22 19:06:32,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-08-22 19:06:32,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-08-22 19:06:32,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-08-22 19:06:32,783 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-08-22 19:06:32,783 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-08-22 19:06:32,784 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-08-22 19:06:32,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-08-22 19:06:32,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-08-22 19:06:32,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-08-22 19:06:32,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-08-22 19:06:32,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-08-22 19:06:32,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-08-22 19:06:32,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-08-22 19:06:32,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-08-22 19:06:32,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-08-22 19:06:32,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-08-22 19:06:32,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-08-22 19:06:32,795 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf
[2020-08-22 19:06:32,818 INFO L113 SettingsManager]: Loading preferences was successful
[2020-08-22 19:06:32,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-08-22 19:06:32,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-08-22 19:06:32,820 INFO L138 SettingsManager]: * sizeof long=4
[2020-08-22 19:06:32,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-08-22 19:06:32,820 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-08-22 19:06:32,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-08-22 19:06:32,820 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-08-22 19:06:32,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-08-22 19:06:32,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-08-22 19:06:32,822 INFO L138 SettingsManager]: * sizeof long double=12
[2020-08-22 19:06:32,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-08-22 19:06:32,823 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-08-22 19:06:32,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-08-22 19:06:32,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-08-22 19:06:32,823 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2020-08-22 19:06:32,823 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-08-22 19:06:32,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-08-22 19:06:32,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-08-22 19:06:32,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-08-22 19:06:32,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2020-08-22 19:06:32,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-08-22 19:06:32,826 INFO L138 SettingsManager]: * Use separate solver for trace checks=false
[2020-08-22 19:06:33,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-08-22 19:06:33,140 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-08-22 19:06:33,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-08-22 19:06:33,144 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-08-22 19:06:33,145 INFO L275 PluginConnector]: CDTParser initialized
[2020-08-22 19:06:33,145 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-simple-white-blue-1.i
[2020-08-22 19:06:33,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175e24f32/702e20d93a8a497983bbf91a5f8eab7e/FLAG2b5301285
[2020-08-22 19:06:33,689 INFO L306 CDTParser]: Found 1 translation units.
[2020-08-22 19:06:33,690 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-simple-white-blue-1.i
[2020-08-22 19:06:33,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175e24f32/702e20d93a8a497983bbf91a5f8eab7e/FLAG2b5301285
[2020-08-22 19:06:33,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175e24f32/702e20d93a8a497983bbf91a5f8eab7e
[2020-08-22 19:06:33,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-08-22 19:06:33,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-08-22 19:06:33,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-08-22 19:06:33,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-08-22 19:06:33,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-08-22 19:06:33,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:06:33" (1/1) ...
[2020-08-22 19:06:33,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681fa8e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:33, skipping insertion in model container
[2020-08-22 19:06:33,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:06:33" (1/1) ...
[2020-08-22 19:06:33,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-08-22 19:06:34,032 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-08-22 19:06:34,415 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 19:06:34,429 INFO L203 MainTranslator]: Completed pre-run
[2020-08-22 19:06:34,494 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-08-22 19:06:34,546 INFO L208 MainTranslator]: Completed translation
[2020-08-22 19:06:34,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34 WrapperNode
[2020-08-22 19:06:34,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-08-22 19:06:34,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-08-22 19:06:34,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-08-22 19:06:34,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-08-22 19:06:34,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (1/1) ...
[2020-08-22 19:06:34,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (1/1) ...
[2020-08-22 19:06:34,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (1/1) ...
[2020-08-22 19:06:34,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (1/1) ...
[2020-08-22 19:06:34,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (1/1) ...
[2020-08-22 19:06:34,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (1/1) ...
[2020-08-22 19:06:34,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (1/1) ...
[2020-08-22 19:06:34,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-08-22 19:06:34,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-08-22 19:06:34,645 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-08-22 19:06:34,645 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-08-22 19:06:34,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (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
[2020-08-22 19:06:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-08-22 19:06:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-08-22 19:06:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-08-22 19:06:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2020-08-22 19:06:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2020-08-22 19:06:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2020-08-22 19:06:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2020-08-22 19:06:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2020-08-22 19:06:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2020-08-22 19:06:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2020-08-22 19:06:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2020-08-22 19:06:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2020-08-22 19:06:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2020-08-22 19:06:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2020-08-22 19:06:34,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2020-08-22 19:06:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2020-08-22 19:06:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2020-08-22 19:06:34,707 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2020-08-22 19:06:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2020-08-22 19:06:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2020-08-22 19:06:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2020-08-22 19:06:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2020-08-22 19:06:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2020-08-22 19:06:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2020-08-22 19:06:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2020-08-22 19:06:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2020-08-22 19:06:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2020-08-22 19:06:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2020-08-22 19:06:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2020-08-22 19:06:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2020-08-22 19:06:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2020-08-22 19:06:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2020-08-22 19:06:34,714 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2020-08-22 19:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2020-08-22 19:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2020-08-22 19:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2020-08-22 19:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2020-08-22 19:06:34,715 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2020-08-22 19:06:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2020-08-22 19:06:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2020-08-22 19:06:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2020-08-22 19:06:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2020-08-22 19:06:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2020-08-22 19:06:34,716 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2020-08-22 19:06:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2020-08-22 19:06:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2020-08-22 19:06:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2020-08-22 19:06:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2020-08-22 19:06:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2020-08-22 19:06:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2020-08-22 19:06:34,717 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2020-08-22 19:06:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2020-08-22 19:06:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2020-08-22 19:06:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2020-08-22 19:06:34,718 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2020-08-22 19:06:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2020-08-22 19:06:34,719 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2020-08-22 19:06:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2020-08-22 19:06:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2020-08-22 19:06:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2020-08-22 19:06:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2020-08-22 19:06:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2020-08-22 19:06:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2020-08-22 19:06:34,720 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2020-08-22 19:06:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2020-08-22 19:06:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2020-08-22 19:06:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2020-08-22 19:06:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2020-08-22 19:06:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2020-08-22 19:06:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2020-08-22 19:06:34,721 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2020-08-22 19:06:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2020-08-22 19:06:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2020-08-22 19:06:34,722 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2020-08-22 19:06:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2020-08-22 19:06:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2020-08-22 19:06:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2020-08-22 19:06:34,723 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2020-08-22 19:06:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2020-08-22 19:06:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2020-08-22 19:06:34,724 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2020-08-22 19:06:34,725 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2020-08-22 19:06:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2020-08-22 19:06:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2020-08-22 19:06:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2020-08-22 19:06:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2020-08-22 19:06:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2020-08-22 19:06:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2020-08-22 19:06:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2020-08-22 19:06:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2020-08-22 19:06:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2020-08-22 19:06:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2020-08-22 19:06:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2020-08-22 19:06:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2020-08-22 19:06:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2020-08-22 19:06:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2020-08-22 19:06:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2020-08-22 19:06:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2020-08-22 19:06:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2020-08-22 19:06:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2020-08-22 19:06:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2020-08-22 19:06:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2020-08-22 19:06:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2020-08-22 19:06:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2020-08-22 19:06:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2020-08-22 19:06:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-08-22 19:06:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-08-22 19:06:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-08-22 19:06:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-08-22 19:06:35,302 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-08-22 19:06:35,302 INFO L295 CfgBuilder]: Removed 8 assume(true) statements.
[2020-08-22 19:06:35,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:06:35 BoogieIcfgContainer
[2020-08-22 19:06:35,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-08-22 19:06:35,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-08-22 19:06:35,308 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-08-22 19:06:35,311 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-08-22 19:06:35,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:06:33" (1/3) ...
[2020-08-22 19:06:35,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5040f4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:06:35, skipping insertion in model container
[2020-08-22 19:06:35,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:06:34" (2/3) ...
[2020-08-22 19:06:35,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5040f4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:06:35, skipping insertion in model container
[2020-08-22 19:06:35,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:06:35" (3/3) ...
[2020-08-22 19:06:35,315 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-simple-white-blue-1.i
[2020-08-22 19:06:35,325 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-08-22 19:06:35,333 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-08-22 19:06:35,347 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-08-22 19:06:35,368 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-08-22 19:06:35,369 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-08-22 19:06:35,369 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2020-08-22 19:06:35,369 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-08-22 19:06:35,369 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-08-22 19:06:35,370 INFO L380 AbstractCegarLoop]: Difference is false
[2020-08-22 19:06:35,370 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-08-22 19:06:35,370 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-08-22 19:06:35,387 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states.
[2020-08-22 19:06:35,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2020-08-22 19:06:35,399 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 19:06:35,400 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]
[2020-08-22 19:06:35,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 19:06:35,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 19:06:35,407 INFO L82 PathProgramCache]: Analyzing trace with hash 7806853, now seen corresponding path program 1 times
[2020-08-22 19:06:35,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 19:06:35,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301713442]
[2020-08-22 19:06:35,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 19:06:35,497 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-08-22 19:06:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:06:35,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-08-22 19:06:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-08-22 19:06:35,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-08-22 19:06:35,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301713442]
[2020-08-22 19:06:35,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-08-22 19:06:35,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2020-08-22 19:06:35,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870151624]
[2020-08-22 19:06:35,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states
[2020-08-22 19:06:35,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-08-22 19:06:35,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2020-08-22 19:06:35,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2020-08-22 19:06:35,671 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 3 states.
[2020-08-22 19:06:35,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-08-22 19:06:35,962 INFO L93 Difference]: Finished difference Result 168 states and 197 transitions.
[2020-08-22 19:06:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2020-08-22 19:06:35,964 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33
[2020-08-22 19:06:35,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-08-22 19:06:35,979 INFO L225 Difference]: With dead ends: 168
[2020-08-22 19:06:35,979 INFO L226 Difference]: Without dead ends: 85
[2020-08-22 19:06:35,985 INFO L675 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
[2020-08-22 19:06:36,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2020-08-22 19:06:36,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2020-08-22 19:06:36,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2020-08-22 19:06:36,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions.
[2020-08-22 19:06:36,051 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 33
[2020-08-22 19:06:36,052 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-08-22 19:06:36,052 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions.
[2020-08-22 19:06:36,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2020-08-22 19:06:36,052 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions.
[2020-08-22 19:06:36,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2020-08-22 19:06:36,054 INFO L414 BasicCegarLoop]: Found error trace
[2020-08-22 19:06:36,054 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, 1]
[2020-08-22 19:06:36,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-08-22 19:06:36,055 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-08-22 19:06:36,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-08-22 19:06:36,055 INFO L82 PathProgramCache]: Analyzing trace with hash 144032108, now seen corresponding path program 1 times
[2020-08-22 19:06:36,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-08-22 19:06:36,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680064725]
[2020-08-22 19:06:36,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-08-22 19:06:36,060 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation
[2020-08-22 19:06:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 19:06:36,104 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 19:06:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2020-08-22 19:06:36,143 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2020-08-22 19:06:36,189 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2020-08-22 19:06:36,189 INFO L520 BasicCegarLoop]: Counterexample might be feasible
[2020-08-22 19:06:36,190 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-08-22 19:06:36,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:06:36 BoogieIcfgContainer
[2020-08-22 19:06:36,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-08-22 19:06:36,209 INFO L168 Benchmark]: Toolchain (without parser) took 2228.93 ms. Allocated memory was 138.9 MB in the beginning and 235.9 MB in the end (delta: 97.0 MB). Free memory was 101.8 MB in the beginning and 172.0 MB in the end (delta: -70.2 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB.
[2020-08-22 19:06:36,210 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB.
[2020-08-22 19:06:36,211 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.48 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 169.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB.
[2020-08-22 19:06:36,212 INFO L168 Benchmark]: Boogie Preprocessor took 97.03 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 166.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB.
[2020-08-22 19:06:36,213 INFO L168 Benchmark]: RCFGBuilder took 662.42 ms. Allocated memory is still 202.9 MB. Free memory was 166.4 MB in the beginning and 113.2 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB.
[2020-08-22 19:06:36,214 INFO L168 Benchmark]: TraceAbstraction took 898.69 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: -58.7 MB). There was no memory consumed. Max. memory is 7.1 GB.
[2020-08-22 19:06:36,218 INFO L336 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 138.9 MB. Free memory was 121.5 MB in the beginning and 121.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 566.48 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 101.4 MB in the beginning and 169.7 MB in the end (delta: -68.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 97.03 ms. Allocated memory is still 202.9 MB. Free memory was 169.7 MB in the beginning and 166.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 662.42 ms. Allocated memory is still 202.9 MB. Free memory was 166.4 MB in the beginning and 113.2 MB in the end (delta: 53.2 MB). Peak memory consumption was 53.2 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 898.69 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 113.2 MB in the beginning and 172.0 MB in the end (delta: -58.7 MB). There was no memory consumed. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1052]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L989] SLL* head = malloc(sizeof(SLL));
[L990] head->next = ((void*)0)
[L991] head->prev = ((void*)0)
[L992] head->data = 0
[L994] SLL* x = head;
[L997] COND FALSE !(__VERIFIER_nondet_int())
[L1008] COND TRUE __VERIFIER_nondet_int()
[L1009] x = malloc(sizeof(SLL))
[L1010] x->data = 1
[L1011] x->next = head
[L1012] x->prev = ((void*)0)
[L1013] head = x
[L1039] x = head
[L1042] EXPR x->data
[L1042] COND FALSE !(x->data != 1)
[L1048] EXPR x->next
[L1048] x = x->next
[L1049] COND TRUE \read(*x)
[L1051] EXPR x->data
[L1051] COND TRUE x->data != 1
[L1052] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 103 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 98 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=98occurred 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...