/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-optional-2.i
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-36cd7be
[2021-02-24 04:25:26,731 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-24 04:25:26,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-24 04:25:26,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-24 04:25:26,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-24 04:25:26,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-24 04:25:26,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-02-24 04:25:26,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-02-24 04:25:26,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-02-24 04:25:26,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-02-24 04:25:26,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-02-24 04:25:26,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-24 04:25:26,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-24 04:25:26,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-24 04:25:26,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-24 04:25:26,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-24 04:25:26,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-24 04:25:26,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-24 04:25:26,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-24 04:25:26,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-24 04:25:26,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-24 04:25:26,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-24 04:25:26,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-24 04:25:26,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-24 04:25:26,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-02-24 04:25:26,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-02-24 04:25:26,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-02-24 04:25:26,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-02-24 04:25:26,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-02-24 04:25:26,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-02-24 04:25:26,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-02-24 04:25:26,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-02-24 04:25:26,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-02-24 04:25:26,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-02-24 04:25:26,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-02-24 04:25:26,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-02-24 04:25:26,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-02-24 04:25:26,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-02-24 04:25:26,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-02-24 04:25:26,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-02-24 04:25:26,924 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-24 04:25:26,925 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf
[2021-02-24 04:25:26,951 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-24 04:25:26,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-24 04:25:26,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-24 04:25:26,959 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-24 04:25:26,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-24 04:25:26,959 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-24 04:25:26,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-24 04:25:26,960 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-24 04:25:26,960 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-24 04:25:26,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-24 04:25:26,962 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-24 04:25:26,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-24 04:25:26,963 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-24 04:25:26,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-24 04:25:26,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-24 04:25:26,964 INFO L138 SettingsManager]: * Size of a code block=SingleStatement
[2021-02-24 04:25:26,964 INFO L138 SettingsManager]: * To the following directory=./dump/
[2021-02-24 04:25:26,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-24 04:25:26,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-24 04:25:26,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-24 04:25:26,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation
[2021-02-24 04:25:26,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-24 04:25:26,965 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX
[2021-02-24 04:25:26,966 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-24 04:25:27,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-24 04:25:27,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-24 04:25:27,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-24 04:25:27,585 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-24 04:25:27,587 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-24 04:25:27,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional-2.i
[2021-02-24 04:25:27,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193ef3a52/9cb53cba60494470894b94a6acd162ce/FLAG7183a0abd
[2021-02-24 04:25:28,474 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-24 04:25:28,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-optional-2.i
[2021-02-24 04:25:28,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193ef3a52/9cb53cba60494470894b94a6acd162ce/FLAG7183a0abd
[2021-02-24 04:25:28,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193ef3a52/9cb53cba60494470894b94a6acd162ce
[2021-02-24 04:25:28,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-24 04:25:28,771 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-24 04:25:28,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-24 04:25:28,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-24 04:25:28,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-24 04:25:28,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:28" (1/1) ...
[2021-02-24 04:25:28,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a01e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:28, skipping insertion in model container
[2021-02-24 04:25:28,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 04:25:28" (1/1) ...
[2021-02-24 04:25:28,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-24 04:25:28,874 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-24 04:25:29,316 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/dll-optional-2.i[22706,22719]
[2021-02-24 04:25:29,337 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-24 04:25:29,353 INFO L203 MainTranslator]: Completed pre-run
[2021-02-24 04:25:29,454 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/dll-optional-2.i[22706,22719]
[2021-02-24 04:25:29,462 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-24 04:25:29,540 INFO L208 MainTranslator]: Completed translation
[2021-02-24 04:25:29,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29 WrapperNode
[2021-02-24 04:25:29,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-24 04:25:29,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-24 04:25:29,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-24 04:25:29,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-24 04:25:29,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (1/1) ...
[2021-02-24 04:25:29,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (1/1) ...
[2021-02-24 04:25:29,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (1/1) ...
[2021-02-24 04:25:29,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (1/1) ...
[2021-02-24 04:25:29,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (1/1) ...
[2021-02-24 04:25:29,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (1/1) ...
[2021-02-24 04:25:29,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (1/1) ...
[2021-02-24 04:25:29,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-24 04:25:29,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-24 04:25:29,634 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-24 04:25:29,634 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-24 04:25:29,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (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
[2021-02-24 04:25:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-24 04:25:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-24 04:25:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-24 04:25:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-24 04:25:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max
[2021-02-24 04:25:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure atof
[2021-02-24 04:25:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure atoi
[2021-02-24 04:25:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure atol
[2021-02-24 04:25:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure atoll
[2021-02-24 04:25:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtod
[2021-02-24 04:25:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure strtof
[2021-02-24 04:25:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtold
[2021-02-24 04:25:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtol
[2021-02-24 04:25:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul
[2021-02-24 04:25:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq
[2021-02-24 04:25:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq
[2021-02-24 04:25:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll
[2021-02-24 04:25:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull
[2021-02-24 04:25:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure l64a
[2021-02-24 04:25:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure a64l
[2021-02-24 04:25:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure select
[2021-02-24 04:25:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure pselect
[2021-02-24 04:25:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major
[2021-02-24 04:25:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor
[2021-02-24 04:25:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev
[2021-02-24 04:25:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure random
[2021-02-24 04:25:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure srandom
[2021-02-24 04:25:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure initstate
[2021-02-24 04:25:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure setstate
[2021-02-24 04:25:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure random_r
[2021-02-24 04:25:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r
[2021-02-24 04:25:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r
[2021-02-24 04:25:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r
[2021-02-24 04:25:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure rand
[2021-02-24 04:25:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure srand
[2021-02-24 04:25:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r
[2021-02-24 04:25:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure drand48
[2021-02-24 04:25:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure erand48
[2021-02-24 04:25:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48
[2021-02-24 04:25:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48
[2021-02-24 04:25:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48
[2021-02-24 04:25:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48
[2021-02-24 04:25:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure srand48
[2021-02-24 04:25:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure seed48
[2021-02-24 04:25:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48
[2021-02-24 04:25:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r
[2021-02-24 04:25:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r
[2021-02-24 04:25:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r
[2021-02-24 04:25:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r
[2021-02-24 04:25:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r
[2021-02-24 04:25:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r
[2021-02-24 04:25:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r
[2021-02-24 04:25:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r
[2021-02-24 04:25:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r
[2021-02-24 04:25:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure malloc
[2021-02-24 04:25:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure calloc
[2021-02-24 04:25:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure realloc
[2021-02-24 04:25:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure free
[2021-02-24 04:25:29,787 INFO L130 BoogieDeclarations]: Found specification of procedure cfree
[2021-02-24 04:25:29,788 INFO L130 BoogieDeclarations]: Found specification of procedure alloca
[2021-02-24 04:25:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure valloc
[2021-02-24 04:25:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign
[2021-02-24 04:25:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc
[2021-02-24 04:25:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-24 04:25:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure atexit
[2021-02-24 04:25:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit
[2021-02-24 04:25:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit
[2021-02-24 04:25:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit
[2021-02-24 04:25:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit
[2021-02-24 04:25:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit
[2021-02-24 04:25:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure getenv
[2021-02-24 04:25:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure putenv
[2021-02-24 04:25:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure setenv
[2021-02-24 04:25:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv
[2021-02-24 04:25:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv
[2021-02-24 04:25:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp
[2021-02-24 04:25:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp
[2021-02-24 04:25:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps
[2021-02-24 04:25:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp
[2021-02-24 04:25:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure system
[2021-02-24 04:25:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure realpath
[2021-02-24 04:25:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2021-02-24 04:25:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure qsort
[2021-02-24 04:25:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure abs
[2021-02-24 04:25:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure labs
[2021-02-24 04:25:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure llabs
[2021-02-24 04:25:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure div
[2021-02-24 04:25:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv
[2021-02-24 04:25:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv
[2021-02-24 04:25:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt
[2021-02-24 04:25:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt
[2021-02-24 04:25:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt
[2021-02-24 04:25:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt
[2021-02-24 04:25:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt
[2021-02-24 04:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt
[2021-02-24 04:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r
[2021-02-24 04:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r
[2021-02-24 04:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r
[2021-02-24 04:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r
[2021-02-24 04:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure mblen
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg
[2021-02-24 04:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-02-24 04:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-24 04:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2021-02-24 04:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2021-02-24 04:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-24 04:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-24 04:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-24 04:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-02-24 04:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-02-24 04:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-24 04:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-02-24 04:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-24 04:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-24 04:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-24 04:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-24 04:25:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-24 04:25:30,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-24 04:25:30,546 INFO L299 CfgBuilder]: Removed 5 assume(true) statements.
[2021-02-24 04:25:30,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:30 BoogieIcfgContainer
[2021-02-24 04:25:30,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-24 04:25:30,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-24 04:25:30,552 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-24 04:25:30,556 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-24 04:25:30,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 04:25:28" (1/3) ...
[2021-02-24 04:25:30,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33da6acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:30, skipping insertion in model container
[2021-02-24 04:25:30,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 04:25:29" (2/3) ...
[2021-02-24 04:25:30,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33da6acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 04:25:30, skipping insertion in model container
[2021-02-24 04:25:30,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 04:25:30" (3/3) ...
[2021-02-24 04:25:30,562 INFO L111 eAbstractionObserver]: Analyzing ICFG dll-optional-2.i
[2021-02-24 04:25:30,571 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION
[2021-02-24 04:25:30,578 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-24 04:25:30,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-24 04:25:30,632 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-24 04:25:30,632 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-24 04:25:30,633 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation
[2021-02-24 04:25:30,633 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-24 04:25:30,633 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-24 04:25:30,633 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-24 04:25:30,633 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-24 04:25:30,633 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-24 04:25:30,655 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states.
[2021-02-24 04:25:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2021-02-24 04:25:30,668 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-24 04:25:30,670 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]
[2021-02-24 04:25:30,670 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-24 04:25:30,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-24 04:25:30,678 INFO L82 PathProgramCache]: Analyzing trace with hash -182154383, now seen corresponding path program 1 times
[2021-02-24 04:25:30,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-24 04:25:30,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538572054]
[2021-02-24 04:25:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-24 04:25:30,792 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-24 04:25:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-24 04:25:30,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-24 04:25:30,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-24 04:25:30,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-24 04:25:30,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-24 04:25:31,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-24 04:25:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-24 04:25:31,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-24 04:25:31,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-24 04:25:31,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-02-24 04:25:31,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538572054]
[2021-02-24 04:25:31,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-24 04:25:31,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-24 04:25:31,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875969747]
[2021-02-24 04:25:31,091 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-24 04:25:31,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2021-02-24 04:25:31,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-24 04:25:31,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-24 04:25:31,117 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 3 states.
[2021-02-24 04:25:31,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-24 04:25:31,509 INFO L93 Difference]: Finished difference Result 144 states and 166 transitions.
[2021-02-24 04:25:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-02-24 04:25:31,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 35
[2021-02-24 04:25:31,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-24 04:25:31,528 INFO L225 Difference]: With dead ends: 144
[2021-02-24 04:25:31,529 INFO L226 Difference]: Without dead ends: 85
[2021-02-24 04:25:31,533 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
[2021-02-24 04:25:31,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2021-02-24 04:25:31,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2021-02-24 04:25:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states.
[2021-02-24 04:25:31,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 91 transitions.
[2021-02-24 04:25:31,615 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 91 transitions. Word has length 35
[2021-02-24 04:25:31,617 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-24 04:25:31,617 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 91 transitions.
[2021-02-24 04:25:31,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-02-24 04:25:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions.
[2021-02-24 04:25:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2021-02-24 04:25:31,622 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-24 04:25:31,622 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]
[2021-02-24 04:25:31,622 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-24 04:25:31,623 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-24 04:25:31,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-24 04:25:31,624 INFO L82 PathProgramCache]: Analyzing trace with hash -444175291, now seen corresponding path program 1 times
[2021-02-24 04:25:31,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2021-02-24 04:25:31,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2010993689]
[2021-02-24 04:25:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-24 04:25:31,643 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation
[2021-02-24 04:25:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-24 04:25:31,705 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-24 04:25:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-02-24 04:25:31,740 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-02-24 04:25:31,806 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace
[2021-02-24 04:25:31,807 INFO L523 BasicCegarLoop]: Counterexample might be feasible
[2021-02-24 04:25:31,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-02-24 04:25:31,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:25:31 BoogieIcfgContainer
[2021-02-24 04:25:31,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-24 04:25:31,836 INFO L168 Benchmark]: Toolchain (without parser) took 3078.79 ms. Allocated memory is still 158.3 MB. Free memory was 134.2 MB in the beginning and 77.5 MB in the end (delta: 56.8 MB). Peak memory consumption was 57.4 MB. Max. memory is 8.0 GB.
[2021-02-24 04:25:31,837 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 158.3 MB. Free memory is still 131.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-24 04:25:31,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 765.20 ms. Allocated memory is still 158.3 MB. Free memory was 133.1 MB in the beginning and 110.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
[2021-02-24 04:25:31,839 INFO L168 Benchmark]: Boogie Preprocessor took 89.37 ms. Allocated memory is still 158.3 MB. Free memory was 110.8 MB in the beginning and 140.3 MB in the end (delta: -29.5 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB.
[2021-02-24 04:25:31,840 INFO L168 Benchmark]: RCFGBuilder took 916.05 ms. Allocated memory is still 158.3 MB. Free memory was 140.3 MB in the beginning and 136.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB.
[2021-02-24 04:25:31,841 INFO L168 Benchmark]: TraceAbstraction took 1282.70 ms. Allocated memory is still 158.3 MB. Free memory was 136.7 MB in the beginning and 77.5 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB.
[2021-02-24 04:25:31,845 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33 ms. Allocated memory is still 158.3 MB. Free memory is still 131.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 765.20 ms. Allocated memory is still 158.3 MB. Free memory was 133.1 MB in the beginning and 110.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 89.37 ms. Allocated memory is still 158.3 MB. Free memory was 110.8 MB in the beginning and 140.3 MB in the end (delta: -29.5 MB). Peak memory consumption was 5.1 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 916.05 ms. Allocated memory is still 158.3 MB. Free memory was 140.3 MB in the beginning and 136.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 51.2 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 1282.70 ms. Allocated memory is still 158.3 MB. Free memory was 136.7 MB in the beginning and 77.5 MB in the end (delta: 59.2 MB). Peak memory consumption was 59.8 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 1009]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L997] SLL* head = malloc(sizeof(SLL));
[L998] head->next = ((void*)0)
[L999] head->prev = ((void*)0)
[L1000] COND FALSE !(__VERIFIER_nondet_int())
[L1000] COND TRUE __VERIFIER_nondet_int()
[L1000] head->data = 1
[L1000] head->opt = head
[L1001] SLL* x = head;
[L1003] COND FALSE !(__VERIFIER_nondet_int())
[L1006] x = head
[L1007] COND TRUE x != ((void*)0)
[L1009] EXPR x->data
[L1009] EXPR x->data == 2 && x->opt == x
[L1009] COND TRUE !(x->data == 2 && x->opt == x)
[L1009] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 111 SDtfs, 0 SDslu, 5 SDs, 0 SdLazy, 106 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=105occurred 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...